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محتوای ارائه شده توسط Johannes B. Ullrich. تمام محتوای پادکست شامل قسمتها، گرافیکها و توضیحات پادکست مستقیماً توسط Johannes B. Ullrich یا شریک پلتفرم پادکست آنها آپلود و ارائه میشوند. اگر فکر میکنید شخصی بدون اجازه شما از اثر دارای حق نسخهبرداری شما استفاده میکند، میتوانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal
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SANS Stormcast: File Hashes in MSFT BI; Apache Camel Vuln; Juniper Fixes Exploited Vuln; AMI Patches 10.0 Redfish BMC Vuln (#)
Manage episode 471311753 series 3433692
محتوای ارائه شده توسط Johannes B. Ullrich. تمام محتوای پادکست شامل قسمتها، گرافیکها و توضیحات پادکست مستقیماً توسط Johannes B. Ullrich یا شریک پلتفرم پادکست آنها آپلود و ارائه میشوند. اگر فکر میکنید شخصی بدون اجازه شما از اثر دارای حق نسخهبرداری شما استفاده میکند، میتوانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal
SANS Stormcast: File Hashes in MSFT BI; Apache Camel Vuln; Juniper Fixes Exploited Vuln; AMI Patches 10.0 Redfish BMC Vuln File Hashes Analysis with Power BI Guy explains in this diary how to analyze Cowrie honeypot file hashes using Microsoft's BI tool and what you may be able to discover using this tool. https://isc.sans.edu/diary/File%20Hashes%20Analysis%20with%20Power%20BI%20from%20Data%20Stored%20in%20DShield%20SIEM/31764 Apache Camel Vulnerability Apache released two patches for Camel in close succession. Initially, the vulnerability was only addressed for headers, but as Akamai discovered, it can also be exploited via query parameters. This vulnerability is trivial to exploit and leads to arbitrary code execution. https://www.akamai.com/blog/security-research/march-apache-camel-vulnerability-detections-and-mitigations Juniper Patches Junos Vulnerability Juniper patches an already exploited vulnerability in JunOS. However, to exploit the vulnerability, and attacker already needs privileged access. By exploiting the vulnerability, an attacker may completely compromised the device. https://supportportal.juniper.net/s/article/2025-03-Out-of-Cycle-Security-Bulletin-Junos-OS-A-local-attacker-with-shell-access-can-execute-arbitrary-code-CVE-2025-21590?language=en_US AMI Security Advisory AMI patched three vulnerabilities. One of the, an authentication bypass in Redfish, allows for a complete system compromise without authentication and is rated with a CVSS score of 10.0. https://go.ami.com/hubfs/Security%20Advisories/2025/AMI-SA-2025003.pdf keywords: AMI; BIOS; Redfish; Juniper; JunOS; apache; camel; power bi; cowrie; honeypot
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SANS Stormcast: File Hashes in MSFT BI; Apache Camel Vuln; Juniper Fixes Exploited Vuln; AMI Patches 10.0 Redfish BMC Vuln (#)
SANS Internet Storm Center's Daily Network Security News Podcast
Manage episode 471311753 series 3433692
محتوای ارائه شده توسط Johannes B. Ullrich. تمام محتوای پادکست شامل قسمتها، گرافیکها و توضیحات پادکست مستقیماً توسط Johannes B. Ullrich یا شریک پلتفرم پادکست آنها آپلود و ارائه میشوند. اگر فکر میکنید شخصی بدون اجازه شما از اثر دارای حق نسخهبرداری شما استفاده میکند، میتوانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal
SANS Stormcast: File Hashes in MSFT BI; Apache Camel Vuln; Juniper Fixes Exploited Vuln; AMI Patches 10.0 Redfish BMC Vuln File Hashes Analysis with Power BI Guy explains in this diary how to analyze Cowrie honeypot file hashes using Microsoft's BI tool and what you may be able to discover using this tool. https://isc.sans.edu/diary/File%20Hashes%20Analysis%20with%20Power%20BI%20from%20Data%20Stored%20in%20DShield%20SIEM/31764 Apache Camel Vulnerability Apache released two patches for Camel in close succession. Initially, the vulnerability was only addressed for headers, but as Akamai discovered, it can also be exploited via query parameters. This vulnerability is trivial to exploit and leads to arbitrary code execution. https://www.akamai.com/blog/security-research/march-apache-camel-vulnerability-detections-and-mitigations Juniper Patches Junos Vulnerability Juniper patches an already exploited vulnerability in JunOS. However, to exploit the vulnerability, and attacker already needs privileged access. By exploiting the vulnerability, an attacker may completely compromised the device. https://supportportal.juniper.net/s/article/2025-03-Out-of-Cycle-Security-Bulletin-Junos-OS-A-local-attacker-with-shell-access-can-execute-arbitrary-code-CVE-2025-21590?language=en_US AMI Security Advisory AMI patched three vulnerabilities. One of the, an authentication bypass in Redfish, allows for a complete system compromise without authentication and is rated with a CVSS score of 10.0. https://go.ami.com/hubfs/Security%20Advisories/2025/AMI-SA-2025003.pdf keywords: AMI; BIOS; Redfish; Juniper; JunOS; apache; camel; power bi; cowrie; honeypot
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1 SANS Stormcast Thursday, May 22nd 2025: Crypto Confidence Scams; Extension Mayhem for VS Code and Chrome (#) 6:22
SANS Stormcast Thursday, May 22nd 2025: Crypto Confidence Scams; Extension Mayhem for VS Code and Chrome New Variant of Crypto Confidence Scam Scammers are offering login credentials for what appears to be high value crypto coin accounts. However, the goal is to trick users into paying for expensive “VIP” memberships to withdraw the money. https://isc.sans.edu/diary/New%20Variant%20of%20Crypto%20Confidence%20Scam/31968 Malicious Chrome Extensions Malicious Chrome extensions mimick popular services like VPNs to trick users into installing them. Once installed, the extensions will exfiltrate browser secrets https://dti.domaintools.com/dual-function-malware-chrome-extensions/ Malicious VS Code Extensions Malicious Visual Studio Code extensions target crypto developers to trick them into installing them to exfiltrate developer secrets. https://securitylabs.datadoghq.com/articles/mut-9332-malicious-solidity-vscode-extensions/#indicators-of-compromise keywords: vs code; chrome; extensions; crypto; confidence scams;…

1 SANS Stormcast Wednesday, May 21st 2025: Researchers Scanning the Internet; Forgotten DNS Records; openpgp.js Vulneraiblity (#) 7:51
SANS Stormcast Wednesday, May 21st 2025: Researchers Scanning the Internet; Forgotten DNS Records; openpgp.js Vulneraiblity Researchers Scanning the Internet A “newish” RFC, RFC 9511, suggests researchers identify themselves by adding strings to the traffic they send, or by operating web servers on machines from which the scan originates. We do offer lists of researchers and just added three new groups today https://isc.sans.edu/diary/Researchers%20Scanning%20the%20Internet/31964 Cloudy with a change of Hijacking: Forgotten DNS Records Organizations do not always remove unused CNAME records. An attacker may take advantage of this if an attacker is able to take possession of the now unused public cloud resource the name pointed to. https://blogs.infoblox.com/threat-intelligence/cloudy-with-a-chance-of-hijacking-forgotten-dns-records-enable-scam-actor/ Message signature verification can be spoofed CVE-2025-47934 A vulnerability in openpgp.js may be used to spoof message signatures. openpgp.js is a popular library in systems implementing end-to-end encrypted browser applications. https://github.com/openpgpjs/openpgpjs/security/advisories/GHSA-8qff-qr5q-5pr8 keywords: pgp; openpgp; npm; javascript; dns; cname; researchers…

1 SANS Stormcast Tuesday, May 20th 2025: AutoIT Code RAT; Fake Keepass Download; Procolored Printer Software Compromise (#) 6:41
SANS Stormcast Tuesday, May 20th 2025: AutoIT Code RAT; Fake Keepass Download; Procolored Printer Software Compromise RAT Dropped By Two Layers of AutoIT Code Xavier explains how AutoIT was used to install a remote admin tool (RAT) and how to analyse such a tool https://isc.sans.edu/diary/RAT%20Dropped%20By%20Two%20Layers%20of%20AutoIT%20Code/31960 RVTools compromise confirmed Robware.net, the site behind the popular tool RVTools now confirmed that it was compromised. The site is currently offline. https://www.robware.net/readMore Trojaned Version of Keepass used to install info stealer and Cobalt Strike beacon A backdoored version of KeePass was used to trick victims into installing Cobalt Strike and other malware. In this case, Keepass itself was not compromised and the malicious version was advertised via search engine optimization tricks https://labs.withsecure.com/publications/keepass-trojanised-in-advanced-malware-campaign Procolored UV Printer Software Compromised The official software offered by the makers of the Procolored UV printer has been compromised, and versions with malware were distributed for about half a year. https://www.hackster.io/news/the-maker-s-toolbox-procolored-v11-pro-dto-uv-printer-review-680d491e17e3 https://www.gdatasoftware.com/blog/2025/05/38200-printer-infected-software-downloads keywords: dynamic autoit; rvtools; keeppass; uv printer; procolored…

1 SANS Stormcast Monday, May 18th 2025: xorsearch python functions; pwn2own Berlin; senior govt official impersonation; dynamic domain risk (#) 6:30
SANS Stormcast Monday, May 18th 2025: xorsearch python functions; pwn2own Berlin; senior govt official impersonation; dynamic domain risk xorsearch.py: Python Functions Didier’s xorsearch tool now supports python functions to filter output https://isc.sans.edu/diary/xorsearch.py%3A%20Python%20Functions/31858 Pwn2Own Berlin 2025 Last weeks Pwn2Own contest in Berlin allowed researchers to demonstrate a number of new exploits with a large focus on privilege escalation and virtual machine escape. https://www.zerodayinitiative.com/blog/2025/5/17/pwn2own-berlin-2025-day-three-results Senior US Officials Impersonated in Malicious Messaging Campaign The FBI warns of senior US officials being impersonated in text and voice messages. https://www.ic3.gov/PSA/2025/PSA250515 Scattered Spider: TTP Evolution in 2025 Pushscurity provided an update on how Scattered Spider evolved. One thing they noted was that Scattered Spider takes advantage of legit dynamic domain name systems to make detection more difficult https://pushsecurity.com/blog/scattered-spider-ttp-evolution-in-2025/ keywords: dynamic domains; it.com; vipshing; smishing; phishing; vmware; priviledge escalation; xorsearch; python…

1 SANS Stormcast Friday, May 16th: Increase in Sonicwall Scans; RVTools Compromised?; RountPress (#) 6:27
SANS Stormcast Friday, May 16th: Increase in Sonicwall Scans; RVTools Compromised?; RountPress Web Scanning SonicWall for CVE-2021-20016 - Update Scans for SonicWall increased by an order of magnitude over the last couple of weeks. Many of the attacks appear to originate from “Global Host”, a low-cost virtual hosting provider. https://isc.sans.edu/diary/Web%20Scanning%20SonicWall%20for%20CVE-2021-20016%20-%20Update/31952 Google Update Patches Exploited Chrome Flaw Google released an update for Chrome. The update fixes two specific flaws reported by external researchers, CVE-2025-4664 and CVE-2025-4609. The first flaw is already being exploited in the wild. https://chromereleases.googleblog.com/2025/05/stable-channel-update-for-desktop_14.html https://x.com/slonser_/status/1919439373986107814 RVTools Bumblebee Malware Attack Zerodaylabs published its analysis of the RV-Tools Backdoor attack. It suggests that this may not be solely a search engine optimization campaign directing victims to the malicious installer, but that the RVTools distribution site was compromised. https://zerodaylabs.net/rvtools-bumblebee-malware/ Operation RoundPress ESET Security wrote up a report summarizing recent XSS attacks against open-source webmail systems https://www.welivesecurity.com/en/eset-research/operation-roundpress/ keywords: Roundpress; xss; rvtools; google; chrome…

1 SANS Stormcast Thursday, May 15th: Google Open Redirects; Adobe, Ivanti, and Samsung patches (#) 6:16
SANS Stormcast Thursday, May 15th: Google Open Redirects; Adobe, Ivanti, and Samsung patches Another day, another phishing campaign abusing google.com open redirects Google’s links from it’s maps page to hotel listings do suffer from an open redirect vulnerability that is actively exploited to direct users to phishing pages. https://isc.sans.edu/diary/Another%20day%2C%20another%20phishing%20campaign%20abusing%20google.com%20open%20redirects/31950 Adobe Patches Adobe patched 12 different applications. Of particular interest is the update to ColdFusion, which fixes several arbitrary code execution and arbitrary file read problems. https://helpx.adobe.com/security/security-bulletin.html Samsung Patches magicInfo 9 Again Samsung released a new patch for the already exploited magicInfo 9 CMS vulnerability. While the description is identical to the patch released last August, a new CVE number is used. https://security.samsungtv.com/securityUpdates#SVP-MAY-2025 Ivanti Patches Critical Ivanti Neurons Flaw Ivanti released a patch for Ivanti Neurons for ITSM (on-prem only) fixing a critical authentication bypass vulnerability. Ivanti also points to its guidance to secure the underlying IIS server to make exploitation of flaws like this more difficult keywords: adobe; ivanti; samsung; google; open redirect;…

1 SANS Stormcast Wednesday, May 14th: Microsoft Patch Tuesday; 0-Days patched for Ivanti Endpoint Manager and Fortinet Products (#) 6:39
SANS Stormcast Wednesday, May 14th: Microsoft Patch Tuesday; 0-Days patched for Ivanti Endpoint Manager and Fortinet Products Microsoft Patch Tuesday Microsoft patched 70-78 vulnerabilities (depending on how you count them). Five of these vulnerabilities are already being exploited. In particular, a remote code execution vulnerability in the scripting engine should be taken seriously. It requires the Microsoft Edge browser to run in Internet Explorer mode. https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%3A%20May%202025/31946 Security Advisory Ivanti Endpoint Manager Mobile (EPMM) May 2025 (CVE-2025-4427 and CVE-2025-4428) Ivanti patched an authentication bypass vulnerability and a remote code execution vulnerability. The authentication bypass can exploit the remote code execution vulnerability without authenticating first. https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM?language=en_US Fortinet Patches Exploited Vulnerability in API (CVE-2025-32756) Fortinet patched an already exploited stack-based buffer overflow vulnerability in the API of multiple Fortinet products. The vulnerability is exploited via crafted HTTP requests. https://fortiguard.fortinet.com/psirt/FG-IR-25-254 keywords: fortinet; ivanti; microsoft; patches…
SANS Stormcast Tuesday, May 12th: Apple Patches; Unipi Technologies Scans; Apple Updates Everything Apple patched all of its operating systems. This update ports a patch for a recently exploited vulnerability to older versions of iOS and macOS. https://isc.sans.edu/diary/31942 It Is 2025, And We Are Still Dealing With Default IoT Passwords And Stupid 2013 Router Vulnerabilities Versions of the Mirai botnet are attacking devices made by Unipi Technology. These devices are using a specific username and password combination. In addition, this version of the Mirai botnet will also attempt exploits against an old Netgear vulnerability. https://isc.sans.edu/diary/It%20Is%202025%2C%20And%20We%20Are%20Still%20Dealing%20With%20Default%20IoT%20Passwords%20And%20Stupid%202013%20Router%20Vulnerabilities/31940 Output Messenger Vulnerability The internal messenger application “Output Messenger” is currently used in sophisticated attacks. Attackers are exploiting a path traversal vulnerability that has not been fixed. https://www.outputmessenger.com/cve-2025-27920/ Commvault Correction Commvault’s patch indeed fixes the recent vulnerability. The “Pioneer Release” Will Dormann used to experiment will only offer patches after it has been registered, which leads to an error when assessing the patch’s efficacy. https://www.darkreading.com/application-security/commvault-patch-works-as-intended keywords: commvault; output messenger; mirai; unipi; apple…

1 SANS Stormcast Monday, May 11th: Steganography Challenge; End-of-Life Routers; ASUS Driverhub; RV-Tools SEO Poisoning (#) 6:39
SANS Stormcast Monday, May 11th: Steganography Challenge; End-of-Life Routers; ASUS Driverhub; RV-Tools SEO Poisoning Steganography Challenge Didier revealed the solution to last weekend’s cryptography challenge. The image used the same encoding scheme as Didier described before, but the columns and rows were transposed. https://isc.sans.edu/forums/diary/Steganography%20Challenge%3A%20My%20Solution/31912/ FBI Warns of End-of-life routers The FBI is tracking larger botnets taking advantage of unpatched routers. Many of these routers are end-of-life, and no patches are available for the exploited vulnerabilities. The attackers are turning the devices into proxies, which are resold for various criminal activities. https://www.ic3.gov/PSA/2025/PSA250507 ASUS Driverhub Vulnerability ASUS Driverhub software does not properly check the origin of HTTP requests, allowing a CSRF attack from any website leading to arbitrary code execution. https://mrbruh.com/asusdriverhub/ RV-Tools SEO Poisoning Varonis Threat Labs observed SEO poisoning being used to trick system administrators into installing a malicious version of RV Tools. The malicious version includes a remote access tool leading to the theft of credentials https://www.varonis.com/blog/seo-poisoning#initial-access-and-persistence keywords: steganography; fbi; router; seq; rv-tools; asus; driverhub…

1 SANS Stormcast Friday, May 9th: SSH Exfil Tricks; magicINFO still vulnerable; SentinelOne Vulnerability; Commvault insufficient patch (#) 4:57
SANS Stormcast Friday, May 9th: SSH Exfil Tricks; magicINFO still vulnerable; SentinelOne Vulnerability; Commvault insufficient patch No Internet Access: SSH to the Rescue If faced with restrictive outbound network access policies, a single inbound SSH connection can quickly be turned into a tunnel or a full-blown VPN https://isc.sans.edu/diary/No%20Internet%20Access%3F%20SSH%20to%20the%20Rescue!/31932 SAMSUNG magicINFO 9 Server Flaw Still exploitable The SAMSUNG magicINFO 9 Server Vulnerability we found being exploited last week is apparently still not completely patched, and current versions are vulnerable to the exploit observed in the wild. https://www.huntress.com/blog/rapid-response-samsung-magicinfo9-server-flaw Bring Your Own Installer: Bypassing SentinelOne Through Agent Version Change Interruption SentinelOne’s installer is vulnerable to an exploit allowing attackers to shut down the end point protection software https://www.aon.com/en/insights/cyber-labs/bring-your-own-installer-bypassing-sentinelone Commvault Still Exploitable A recent patch for Commvault is apparently ineffective and the PoC exploit published by watchTowr is still working against up to date patched systems https://infosec.exchange/@wdormann/114458913006792356 keywords: commvault; patches; sentinelone; samung; magicinfo; ssh;…

1 SANS Stormcast Thursday, May 8th: Modular Malware; Sysaid Vuln; Cisco Wireless Controller Patch; Unifi Protect Camera Patch (#) 5:42
SANS Stormcast Thursday, May 8th: Modular Malware; Sysaid Vuln; Cisco Wireless Controller Patch; Unifi Protect Camera Patch Example of Modular Malware Xavier analyzes modular malware that downloads DLLs from GitHub if specific features are required. In particular, the webcam module is inspected in detail. https://isc.sans.edu/diary/Example%20of%20%22Modular%22%20Malware/31928 Sysaid XXE Vulnerabilities IT Service Management Software Sysaid patched a number of XXE vulnerabilities. Without authentication, an attacker is able to obtain confidential data and completely compromise the system. watchTowr published a detailed analysis of the flaws including exploit code. https://labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/ Cisco IOS XE Wireless Controller Software Arbitrary File Upload Vulnerability Cisco Patched a vulnerability in its wireless controller software that may be used to not only upload files but also execute code as root without authentication. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-file-uplpd-rHZG9UfC Unifi Protect Camera Vulnerability Ubiquity patched a vulnerability in its Protect camera firmware fixing a buffer overflow flaw. https://community.ui.com/releases/Security-Advisory-Bulletin-047-047/cef86c37-7421-44fd-b251-84e76475a5bc keywords: unifi; protect; camera; ubiquity; cisco; wireless; sysaid; xxe; modular; malware…

1 SANS Stormcast Wednesday, May 7th: Infostealer with Webserver; Android Update; CISA Warning (#) 6:45
SANS Stormcast Wednesday, May 7th: Infostealer with Webserver; Android Update; CISA Warning Python InfoStealer with Embedded Phishing Webserver Didier found an interesting infostealer that, in addition to implementing typical infostealer functionality, includes a web server suitable to create local phishing sites. https://isc.sans.edu/diary/Python%20InfoStealer%20with%20Embedded%20Phishing%20Webserver/31924 Android Update Fixes Freetype 0-Day Google released its monthly Android update. As part of the update, it patched a vulnerability in Freetype that is already being exploited. Android is not alone in using Freetype. Freetype is a very commonly used library to parse fonts like Truetype fonts. https://source.android.com/docs/security/bulletin/2025-05-01 CISA Warns of Unsophistacted Cyber Actors CISA released an interesting title report warning operators of operational technology networks of ubiquitous attacks by unsophisticated actors. It emphasizes how important it is to not forget basic security measures to defend against these attacks. https://www.cisa.gov/news-events/alerts/2025/05/06/unsophisticated-cyber-actors-targeting-operational-technology keywords: python; infostealer; phishing; webserver…

1 SANS Stormcast Tuesday, May 6th: Mirai Exploiting Samsung magicInfo 9; Kali Signing Key Lost; (#) 6:57
SANS Stormcast Tuesday, May 6th: Mirai Exploiting Samsung magicInfo 9; Kali Signing Key Lost; Mirai Now Exploits Samsung MagicINFO CMS CVE-2024-7399 The Mirai botnet added a new vulnerability to its arsenal. This vulnerability, a file upload and remote code execution vulnerability in Samsung’s MagicInfo 9 CMS, was patched last August but attracted new attention last week after being mostly ignored so far. https://isc.sans.edu/diary/Mirai+Now+Exploits+Samsung+MagicINFO+CMS+CVE20247399/31920 New Kali Linux Signing Key The Kali Linux maintainers lost access to the secret key used to sign packages. Users must install a new key that will be used going forward. https://www.kali.org/blog/new-kali-archive-signing-key/ The Risk of Default Configuration: How Out-of-the-Box Helm Charts Can Breach Your Cluster Many out-of-the-box Helm charts for Kubernetes applications deploy vulnerable configurations with exposed ports and no authentication https://techcommunity.microsoft.com/blog/microsoftdefendercloudblog/the-risk-of-default-configuration-how-out-of-the-box-helm-charts-can-breach-your/4409560 keywords: kali; linux; mirai; helm; kubernetes…

1 SANS Stormcast Monday, May 5th: Steganography Challenge; Microsoft Makes Passkeys Default and Moves Away from Authenticator as Password Manager; Magento Components Backdoored. (#) 5:57
SANS Stormcast Monday, May 5th: Steganography Challenge; Microsoft Makes Passkeys Default and Moves Away from Authenticator as Password Manager; Magento Components Backdoored. Steganography Challenge Didier published a fun steganography challenge. A solution will be offered on Saturday. https://isc.sans.edu/diary/Steganography+Challenge/31910 Microsoft Makes Passkeys Default Authentication Method Microsoft is now encouraging new users to use Passkeys as the “default” and only login method, further moving away from passwords https://www.microsoft.com/en-us/security/blog/2025/05/01/pushing-passkeys-forward-microsofts-latest-updates-for-simpler-safer-sign-ins/ Microsoft Authenticator Autofill Changes Microsoft will no longer support the use of Microsoft authenticator as a password safe. Instead, it will move users to the password prefill feature built into Microsoft Edge. This change will start in June and should be completed in August at which point you must have moved your credentials out of Microsoft Authenticator https://support.microsoft.com/en-gb/account-billing/changes-to-microsoft-authenticator-autofill-09fd75df-dc04-4477-9619-811510805ab6 Backdoor found in popular e-commerce components SANSEC identified several backdoored Magento e-commerce components. These backdoors were installed as far back as 2019 but only recently activated, at which point they became known. Affected vendors dispute any compromise at this point. https://sansec.io/research/license-backdoor keywords: backdoor; magento; msft; authenticator; passkeys; stegaonography; challenge…

1 SANS Stormcast Thursday, May 1st: More Steganography; Malicious Python Packages GMail C2; BEC to Steal Rent Payments (#) 7:16
SANS Stormcast Thursday, May 1st: More Steganography; Malicious Python Packages GMail C2; BEC to Steal Rent Payments Steganography Analysis With pngdump.py: Bitstreams More details from Didiear as to how to extract binary content hidden inside images https://isc.sans.edu/diary/Steganography%20Analysis%20With%20pngdump.py%3A%20Bitstreams/31904 Using Trusted Protocols Against You: Gmail as a C2 Mechanism Attackers are using typosquatting to trick developers into installing malicious python packages. These python packages will use GMail as a command and control channel by sending email to hard coded GMail accounts https://socket.dev/blog/using-trusted-protocols-against-you-gmail-as-a-c2-mechanism Security Brief: French BEC Threat Actor Targets Property Payments A French business email compromise threat actor is targeting property management firms to send emails to tenents tricking them into sending rent payments to fake bank accounts https://www.proofpoint.com/us/blog/threat-insight/security-brief-french-bec-threat-actor-targets-property-payments SANS.edu Research Journal https://isc.sans.edu/j/research keywords: Steganograpy; Research Journal; bec; tenants; rent; gmail; python…
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SANS Internet Storm Center's Daily Network Security News Podcast

SANS Stormcast Thursday, May 1st: Sonicwall Attacks; Cached Windows RDP Credentials Web Scanning for Sonicwall Vulnerabilities CVE-2021-20016 For the last week, scans for Sonicwall API “login” and “domain” endpoints have skyrocketed. These attacks may be exploiting an older vulnerability or just attempting to brute force credentials. https://isc.sans.edu/diary/Web%20Scanning%20Sonicwall%20for%20CVE-2021-20016/31906 The Wizards APT Group SLAAC Spoofing Adversary in the Middle Attacks ESET published an article with details regarding an IPv6-linked attack they have observed. Attackers use router advertisements to inject fake recursive DNS servers that are used to inject IP addresses for hostnames used to update software. This leads to the victim downloading malware instead of legitimate updates. https://www.welivesecurity.com/en/eset-research/thewizards-apt-group-slaac-spoofing-adversary-in-the-middle-attacks/ Windows RDP Access is Possible with Old Credentials Credential caching may lead to Windows allowing RDP logins with old credentials. https://arstechnica.com/security/2025/04/windows-rdp-lets-you-log-in-using-revoked-passwords-microsoft-is-ok-with-that/?comments-page=1#comments keywords: Sonicwall; Windows; RDP; SLAAC; IPv6;…
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SANS Internet Storm Center's Daily Network Security News Podcast

SANS Stormcast Wednesday, April 30th: SMS Attacks; Apple Airplay Vulnerabilities More Scans for SMS Gateways and APIs Attackers are not just looking for SMS Gateways like the scans we reported on last week, but they are also actively scanning for other ways to use APIs and add on tools to send messages using other people’s credentials. https://isc.sans.edu/diary/More%20Scans%20for%20SMS%20Gateways%20and%20APIs/31902 AirBorne: AirPlay Vulnerabilities Researchers at Oligo revealed over 20 weaknesses they found in Apple’s implementation of the AirPlay protocol. These vulnerabilities can be abused to execute code or launch denial-of-service attacks against affected devices. Apple patched the vulnerabilities in recent updates. https://www.oligo.security/blog/airborne keywords: SMS; Airplay…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Tuesday, April 29th: SRUM-DUMP 3; Policy Puppetry; Choice Jacking; @sansinstitute at #RSAC (#) 7:37
SANS Stormcast Tuesday, April 29th: SRUM-DUMP 3; Policy Puppetry; Choice Jacking; @sansinstitute at #RSAC SRUM-DUMP Version 3: Uncovering Malware Activity in Forensics Mark Baggett released SRUM-DUMP Version 3. The tool simplifies data extraction from Widnows’ System Resource Usage Monitor (SRUM). This database logs how much resources software used for 30 days, and is invaluable to find out what software was executed when and if it sent or received network data. https://isc.sans.edu/diary/SRUM-DUMP%20Version%203%3A%20Uncovering%20Malware%20Activity%20in%20Forensics/31896 Novel Universal Bypass For All Major LLMS Hidden Layer discovered a new prompt injection technique that bypasses security constraints in large language models. The technique uses an XML formatted prequel for a prompt, which appears to the LLM as a policy file. This “Policy Puppetry” can be used to rewrite some of the security policies configured for LLMs. Unlike other techniques, this technique works across multiple LLMs without changing the policy. https://hiddenlayer.com/innovation-hub/novel-universal-bypass-for-all-major-llms/ CHOICEJACKING: Compromising Mobile Devices through Malicious Chargers like a Decade ago The old “Juice Jacking” is back, at least if you do not run the latest version of Android or iOS. This issue may allow a malicious USB device, particularly a USB charger, to take control of a device connected to it. https://pure.tugraz.at/ws/portalfiles/portal/89650227/Final_Paper_Usenix.pdf SANS @RSA: https://www.sans.org/mlp/rsac/ keywords: SRUM; windows; forensics; llms; policy; puppetry; choice jacking; usb; chargers…
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SANS Internet Storm Center's Daily Network Security News Podcast

SANS Stormcast Monday, April 27th: Image Steganography; SAP Netweaver Exploited Example of a Payload Delivered Through Steganography Xavier and Didier published two diaries this weekend, building on each other. First, Xavier showed an example of an image being used to smuggle an executable past network defenses, and second, Didier showed how to use his tools to extract the binary. https://isc.sans.edu/diary/Example%20of%20a%20Payload%20Delivered%20Through%20Steganography/31892 SAP Netweaver Exploited CVE-2025-31324 An arbitrary file upload vulnerability in SAP’s Netweaver product is actively exploited to upload webshells. Reliaquest discovered the issue. Reliaquest reports that they saw it being abused to upload the Brute Ratel C2 framework. Users of Netweaver must turn off the developmentserver alias and disable visual composer, and the application was deprecated for about 10 years. SAP has released an emergency update for the issue. https://reliaquest.com/blog/threat-spotlight-reliaquest-uncovers-vulnerability-behind-sap-netweaver-compromise/ https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ Any.Run Reports False Positive Uploads Due to false positives caused by MS Defender XDR flagging Adobe Acrobat Cloud links as malicious, many users of Any.Run’s free tier uploaded confidential documents to Any.Run. Anyrun blocked these uploads for now but reminded users to be cautious about what documents are being uploaded. https://x.com/anyrun_app/status/1915429758516560190 keywords: any.run; adobe; xdr; microsoft; sap; netweaver; steganography…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Friday, April 25th: SMS Gateway Scans; Comvault Exploit; Patch Window Shrinkage; More inetpub issues; (#) 6:38
SANS Stormcast Friday, April 25th: SMS Gateway Scans; Comvault Exploit; Patch Window Shrinkage; More inetpub issues; Attacks against Teltonika Networks SMS Gateways Attackers are actively scanning for SMS Gateways. These attacks take advantage of default passwords and other commonly used passwords. https://isc.sans.edu/diary/Attacks%20against%20Teltonika%20Networks%20SMS%20Gateways/31888 Commvault Vulnerability CVE-2205-34028 Commvault, about a week ago, published an advisory and a fix for a vulnerability in its backup software. watchTowr now released a detailed writeup and exploit for the vulnerability https://labs.watchtowr.com/fire-in-the-hole-were-breaching-the-vault-commvault-remote-code-execution-cve-2025-34028/ Exploitation Trends Q1 2025 Vulncheck published a summary of exploitation trends, pointing out that about a quarter of vulnerabilities are exploited a day after a patch is made available. https://vulncheck.com/blog/exploitation-trends-q1-2025 inetpub directory issues The inetpub directory introduced by Microsoft in its April patch may lead to a denial of service against applying patches on Windows if an attacker can create a junction for that location pointing to an existing system binary like Notepad. https://doublepulsar.com/microsofts-patch-for-cve-2025-21204-symlink-vulnerability-introduces-another-symlink-vulnerability-9ea085537741 keywords: inetpub; vulncheck; patches; watchTowr; teltonika; sms…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Thursday, April 24th: Honeypot iptables Maintenance; XRPL.js Compromise; Erlang/OTP SSH Vuln affecting Cisco (#) 5:45
SANS Stormcast Thursday, April 24th: Honeypot iptables Maintenance; XRPL.js Compromise; Erlang/OTP SSH Vuln affecting Cisco Honeypot Iptables Maintenance and DShield-SIEM Logging In this diary, Jesse is talking about some of the tasks to maintain a honeypot, like keeping filebeats up to date and adjusting configurations in case your dynamic IP address changes https://isc.sans.edu/diary/Honeypot%20Iptables%20Maintenance%20and%20DShield-SIEM%20Logging/31876 XRPL.js Compromised An unknown actor was able to push malicious updates of the XRPL.js library to NPM. The library is officially recommended for writing Riple (RPL) cryptocurrency code. The malicious library exfiltrated secret keys to the attacker https://www.aikido.dev/blog/xrp-supplychain-attack-official-npm-package-infected-with-crypto-stealing-backdoor https://github.com/XRPLF/xrpl.js/security/advisories/GHSA-33qr-m49q-rxfx Cisco Equipment Affected by Erlang/OTP SSH Vulnerability Cisco published an advisory explaining which of its products are affected by the critical Erlang/OTP SSH library vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy keywords: SIEM, filebeats, iptables, honeypot; ripl; xrp; supply chain; npm; erlang/otp; erlang; ssh;…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed (#) 6:18
SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed xorsearch.py: Ad Hoc YARA Rules Adhoc YARA rules allow for easy searches using command line arguments without having to write complete YARA rules for simple use cases like string and regex searches https://isc.sans.edu/diary/xorsearch.py%3A%20%22Ad%20Hoc%20YARA%20Rules%22/31856 Google Spoofed via DKIM Replay Attack DKIM replay attacks are a known issue where the attacker re-uses a prior DKIM signature. This will work as long as the headers signed by the signature are unchanged. Recently, this attack has been successful against Google. https://easydmarc.com/blog/google-spoofed-via-dkim-replay-attack-a-technical-breakdown/ SSL.com E-Mail Validation Bug SSL.com did not properly verify which domain a particular email address is authorized to receive certificates for. This could have been exploited against webmail providers. https://bugzilla.mozilla.org/show_bug.cgi?id=1961406 keywords: dmarc, dkim; google; replay; ad-hoc; yara; xorsearch…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Tuesday, April 22nd: Phishing via Google; ChatGPT Fingerprint; Asus AI Cloud Vuln; PyTorch RCE (#) 5:35
SANS Stormcast Tuesday, April 22nd: Phishing via Google; ChatGPT Fingerprint; Asus AI Cloud Vuln; PyTorch RCE It's 2025, so why are malicious advertising URLs still going strong? Phishing attacks continue to take advantage of Google’s advertising services. Sadly, this is still the case for obviously malicious links, even after various anti-phishing services flag the URL. https://isc.sans.edu/diary/It%27s%202025...%20so%20why%20are%20obviously%20malicious%20advertising%20URLs%20still%20going%20strong%3F/31880 ChatGPT Fingerprinting Documents via Unicode ChatGPT apparently started leaving fingerprints in texts, which it creates by adding invisible Unicode characters like non-breaking spaces. https://www.rumidocs.com/newsroom/new-chatgpt-models-seem-to-leave-watermarks-on-text Asus AI Cloud Security Advisory Asus warns of a remote code execution vulnerability in its routers. The vulnerability is related to the AI Cloud feature. If your router is EoL, disabling the feature will mitigate the vulnerability https://www.asus.com/content/asus-product-security-advisory/ PyTorch Vulnerability PyTorch fixed a remote code execution vulnerability exploitable if a malicious model was loaded. This issue was exploitable even with the “weight_only=True" setting selected https://github.com/pytorch/pytorch/security/advisories/GHSA-53q9-r3pm-6pq6 keywords: pytorch; ai cloud; asus; phishing; google…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 ANS Stormcast Monday, April 21st: MSFT Entra Lockouts; Erlang/OTP SSH Exploit; Sonicwall Exploit; bubble.io bug (#) 7:31
ANS Stormcast Monday, April 21st: MSFT Entra Lockouts; Erlang/OTP SSH Exploit; Sonicwall Exploit; bubble.io bug Microsoft Entra User Lockout Multiple organizations reported widespread alerts and account lockouts this weekend from Microsoft Entra. The issue is caused by a new feature Microsoft enabled. This feature will lock accounts if Microsoft believes that the password for the account was compromised. https://www.bleepingcomputer.com/news/microsoft/widespread-microsoft-entra-lockouts-tied-to-new-security-feature-rollout/ https://learn.microsoft.com/en-us/entra/identity/authentication/feature-availability Erlang/OTP SSH Exploit An exploit was published for the Erlang/OTP SSH vulnerability. The vulnerability is easy to exploit, and the exploit and a Metasploit module allow for easy remote code execution. https://github.com/exa-offsec/ssh_erlangotp_rce/blob/main/ssh_erlangotp_rce.rb Sonicwall Exploited An older command injection vulnerability is now exploited on Sonicwall devices after initially gaining access by brute-forcing credentials. https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022 Unpatched Vulnerability in Bubble.io An unpatched vulnerability in the no-code platform bubble.io can be used to access any project hosted on the site. https://github.com/demon-i386/pop_n_bubble keywords: bubble; no-code; bubble.io; sonicwall; ssh; erlang; microsoft; entra…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Friday, April 18th: Remnux Cloud Environment; Erlang/OTP SSH Vuln; Brickstorm Backdoor Analysis; GPT 4.1 Safety Controversy (#) 6:19
SANS Stormcast Friday, April 18th: Remnux Cloud Environment; Erlang/OTP SSH Vuln; Brickstorm Backdoor Analysis; GPT 4.1 Safety Controversy RedTail: Remnux and Malware Management A description showing how to set up a malware analysis in the cloud with Remnux and Kasm. RedTail is a sample to illustrate how the environment can be used. https://isc.sans.edu/diary/RedTail%2C%20Remnux%20and%20Malware%20Management%20%5BGuest%20Diary%5D/31868 Critical Erlang/OTP SSH Vulnerability Researchers identified a critical vulnerability in the Erlang/OTP SSH library. Due to this vulnerability, SSH servers written in Erlang/OTP allow arbitrary remote code execution without prior authentication https://www.openwall.com/lists/oss-security/2025/04/16/2 Brickstorm Analysis An analysis of a recent instance of the Brickstorm backdoor. This backdoor used to be more known for infecting Linux systems, but now it also infects Windows. https://www.nviso.eu/blog/nviso-analyzes-brickstorm-espionage-backdoor https://blog.nviso.eu/wp-content/uploads/2025/04/NVISO-BRICKSTORM-Report.pdf OpenAI GPT 4.1 Controversy OpenAI released its latest model, GPT 4.1, without a safety report and guardrails to prevent malware creation. https://opentools.ai/news/openai-stirs-controversy-with-gpt-41-release-lacking-safety-report keywords: openai; safety; malware; brickstorm; erlang; ssh; redtail; kasm; docker; container; aws; remnux…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Thursday April 17th: Apple Updates; Oracle Updates; Google Chrome Updates; CVE News; (#) 6:05
SANS Stormcast Thursday April 17th: Apple Updates; Oracle Updates; Google Chrome Updates; CVE News; Apple Updates Apple released updates for iOS, iPadOS, macOS, and VisionOS. The updates fix two vulnerabilities which had already been exploited against iOS. https://isc.sans.edu/diary/Apple%20Patches%20Exploited%20Vulnerability/31866 Oracle Updates Oracle released it quarterly critical patch update. The update addresses 378 security vulnerabilities. Many of the critical updates are already known vulnerabilities in open-source software like Apache and Nginx ingress. https://www.oracle.com/security-alerts/cpuapr2025.html Oracle Breach Guidance CISA released guidance for users affected by the recent Oracle cloud breach. The guidance focuses on the likely loss of passwords. https://www.cisa.gov/news-events/alerts/2025/04/16/cisa-releases-guidance-credential-risks-associated-potential-legacy-oracle-cloud-compromise Google Chrome Update A Google Chrome update released today fixes two security vulnerabilities. One of the vulnerabilities is rated as critical. https://chromereleases.googleblog.com/2025/04/stable-channel-update-for-desktop_15.html CVE Updates CISA extended MITRE’s funding to operate the CVE numbering scheme. However, a number of other organizations announced that they may start alternative vulnerability registers. https://euvd.enisa.europa.eu/ https://gcve.eu/ https://www.thecvefoundation.org/ keywords: cve; cisa; mitre; chrome; google; oracle; apple…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Wednesday Apr 16th: File Upload Service Abuse; OpenSSH 10.0 Released; Apache Roller Vuln; Possible CVE Changes (#) 5:54
SANS Stormcast Wednesday Apr 16th: File Upload Service Abuse; OpenSSH 10.0 Released; Apache Roller Vuln; Possible CVE Changes Online Services Again Abused to Exfiltrate Data Attackers like to abuse free online services that can be used to exfiltrate data. From the “originals”, like pastebin, to past favorites like anonfiles.com. The latest example is gofile.io. As a defender, it is important to track these services to detect exfiltration early https://isc.sans.edu/diary/Online%20Services%20Again%20Abused%20to%20Exfiltrate%20Data/31862 OpenSSH 10.0 Released OpenSSH 10.0 was released. This release adds quantum-safe ciphers and the separation of authentication services into a separate binary to reduce the authentication attack surface. https://www.openssh.com/releasenotes.html#10.0p1 Apache Roller Vulnerability Apache Roller addressed a vulnerability. Its CVSS score of 10.0 appears inflated, but it is still a vulnerability you probably want to address. https://lists.apache.org/thread/4j906k16v21kdx8hk87gl7663sw7lg7f CVE Funding Changes Mitre’s government contract to operate the CVE system may run out tomorrow. This could lead to a temporary disruption of services, but the system is backed by a diverse board of directors representing many large companies. It is possible that non-government funding sources may keep the system afloat for now. https://www.cve.org/ keywords: cve; mitre; apache; roller; openssh; gofile…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Tuesday April 15th: xorsearch Update; Short Lived Certificates; New USB Malware (#) 5:35
SANS Stormcast Tuesday April 15th: xorsearch Update; Short Lived Certificates; New USB Malware xorsearch Update Diedier updated his "xorsearch" tool. It is now a python script, not a compiled binary, and supports Yara signatures. With Yara support also comes support for regular expressions. https://isc.sans.edu/diary/xorsearch.py%3A%20Searching%20With%20Regexes/31854 Shorter Lived Certificates The CA/Brower Forum passed an update to reduce the maximum livetime of certificates. The reduction will be implemented over the next four years. EFF also released an update to certbot introducing profiles that can be used to request shorter lived certificates. https://www.eff.org/deeplinks/2025/04/certbot-40-long-live-short-lived-certs https://groups.google.com/a/groups.cabforum.org/g/servercert-wg/c/bvWh5RN6tYI New Malware Harvesting Data from USB drives and infecting them. Kaspersky is reporting that they identified new malware that not only harvests data from USB drives, but also spread via USB drives by replacing existing documents with malicious files. https://securelist.com/goffee-apt-new-attacks/116139/ keywords: goffee; usb; malware; russia; kaspersky; certificates; certbot; eff; xorsearch; yara…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Monday April 14th: Langlow AI Attacks; Fortinet Attack Cleanup; MSFT Inetpub; (#) 7:08
SANS Stormcast Monday April 14th: Langlow AI Attacks; Fortinet Attack Cleanup; MSFT Inetpub; Exploit Attempts for Recent Langflow AI Vulnerability (CVE-2025-3248) After spotting individaul attempts to exploit the recent Langflow vulnerability late last weeks, we now see more systematic internet wide scans attempting to verify the vulnerability. https://isc.sans.edu/forums/diary/Exploit+Attempts+for+Recent+Langflow+AI+Vulnerability+CVE20253248/31850/ Fortinet Analysis of Threat Actor Activity Fortinet oberved recent vulnerablities in its devices being used to add a symlink to ease future compromise. The symlink is not removed by prior patches, and Fortinet released additional updates to detect and remove this attack artifact. https://www.fortinet.com/blog/psirt-blogs/analysis-of-threat-actor-activity MSFT Inetpub Microsoft clarrified that its April patches created the inetpub directory on purpose. Users should not remove it. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21204#exploitability SANSFIRE https://isc.sans.edu/j/sansfire keywords: sansfire; inetpub; fortinet; langflow…
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SANS Internet Storm Center's Daily Network Security News Podcast

1 SANS Stormcast Friday April 11th: Network Infraxploit; Windows Hello Broken; Dell Update; Langflow Exploit (#) 5:35
SANS Stormcast Friday April 11th: Network Infraxploit; Windows Hello Broken; Dell Update; Langflow Exploit Network Infraxploit Our undergraduate intern, Matthew Gorman, wrote up a walk through of CVE-2018-0171, an older Cisco vulnerability, that is still actively being exploited. For example, VOLT TYPHOON recently exploited this problem. https://isc.sans.edu/diary/Network+Infraxploit+Guest+Diary/31844 Windows Update Issues / Windows 10 Update Microsoft updated its "Release Health" notes with details regarding issues users experiences with Windows Hello, Citrix, and Roblox. Microsoft also released an emergency update for Office 2016 which has stability problems after applying the most recent update. https://support.microsoft.com/en-us/topic/april-8-2025-kb5055523-os-build-26100-3775-277a9d11-6ebf-410c-99f7-8c61957461eb https://learn.microsoft.com/en-us/windows/release-health/windows-message-center#3521 https://support.microsoft.com/en-us/topic/april-10-2025-update-for-office-2016-kb5002623-d60c1f31-bb7c-4426-b8f4-69186d7fc1e5 Dell Updates Dell releases critical updates for it's Powerscale One FS product. In particular, it fixes a default password problem. https://www.dell.com/support/kbdoc/en-us/000300860/dsa-2025-119-security-update-for-dell-powerscale-onefs-for-multiple-security-vulnerabilities Langflow Vulnerablity (possible exploit scans sighted) CVE-2025-3248 Langflow addressed a critical vulnerability end of March. This writeup by Horizon3 demonstrates how the issue is possibly exploited. We have so far seen one "hit" in our honeypot logs for the vulnerable API endpoint URL. https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/ keywords: langfow; dell; windows; updates; infraxploit; cisco;…
به Player FM خوش آمدید!
Player FM در سراسر وب را برای یافتن پادکست های با کیفیت اسکن می کند تا همین الان لذت ببرید. این بهترین برنامه ی پادکست است که در اندروید، آیفون و وب کار می کند. ثبت نام کنید تا اشتراک های شما در بین دستگاه های مختلف همگام سازی شود.