Episodes

  • SANS Stormcast Monday, December 22nd, 2025: TLS Callbacks; FreeBSD RCE; NIST Time Server Issues (#)

    SANS Stormcast Monday, December 22nd, 2025: TLS Callbacks; FreeBSD RCE; NIST Time Server Issues (#)
    Dec 21 2025
    SANS Stormcast Monday, December 22nd, 2025: TLS Callbacks; FreeBSD RCE; NIST Time Server Issues DLLs & TLS Callbacks As a follow-up to last week's diary about DLL Entrypoints, Didier is looking at TLS ("Thread Local Storage") and how it can be abused. https://isc.sans.edu/diary/DLLs%20%26%20TLS%20Callbacks/32580 FreeBSD Remote code execution via ND6 Router Advertisements A critical vulnerability in FreeBSD allows for remote code execution. But an attacker must be on the same network. https://www.freebsd.org/security/advisories/FreeBSD-SA-25:12.rtsold.asc NIST Time Server Problems The atomic ensemble time scale at the NIST Boulder campus has failed due to a prolonged utility power outage. One impact is that the Boulder Internet Time Services no longer have an accurate time reference. https://tf.nist.gov/tf-cgi/servers.cgi
https://groups.google.com/a/list.nist.gov/g/internet-time-service/c/o0dDDcr1a8I keywords: nist; dll; tls; freebsd; IPv6; rtsol
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    6 mins
  • SANS Stormcast Friday, December 19th, 2025: Less Vulnerabie Devices; Critical OneView Vulnerablity; Trufflehog finds JWTs (#)

    SANS Stormcast Friday, December 19th, 2025: Less Vulnerabie Devices; Critical OneView Vulnerablity; Trufflehog finds JWTs (#)
    Dec 18 2025
    SANS Stormcast Friday, December 19th, 2025: Less Vulnerabie Devices; Critical OneView Vulnerablity; Trufflehog finds JWTs Positive trends related to public IP range from the year 2025 Fewer ICS systems, as well as fewer systems with outdated SSL versions, are exposed to the internet than before. The trend isn't quite clean for ISC, but SSL2 and SSL3 systems have been cut down by about half. https://isc.sans.edu/diary/Positive%20trends%20related%20to%20public%20IP%20ranges%20from%20the%20year%202025/32584 Hewlett-Packard Enterprise OneView Software, Remote Code Execution HPs OneView Software allows for unauthenticated code execution https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbgn04985en_us&docLocale=en_US#vulnerability-summary-1 Trufflehog Detecting JWTs with Public Keys Trufflehog added the ability to detect JWT tokens and validate them using public keys. https://trufflesecurity.com/blog/trufflehog-now-detects-jwts-with-public-key-signatures-and-verifies-them-for-liveness keywords: Trufflehog; JWT; ICS; HP; OneView
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    5 mins
  • SANS Stormcast Thursday, December 18th, 2025: More React2Shell; Donicwall and Cisco Patch; Updated Chrome Advisory (#)

    SANS Stormcast Thursday, December 18th, 2025: More React2Shell; Donicwall and Cisco Patch; Updated Chrome Advisory (#)
    Dec 17 2025
    SANS Stormcast Thursday, December 18th, 2025: More React2Shell; Donicwall and Cisco Patch; Updated Chrome Advisory Maybe a Little Bit More Interesting React2Shell Exploit Attackers are branching out to attack applications that initial exploits may have missed. The latest wave of attacks is going after less common endpoints and attempting to exploit applications that do not have Next.js exposed. https://isc.sans.edu/diary/Maybe%20a%20Little%20Bit%20More%20Interesting%20React2Shell%20Exploit/32578 UAT-9686 actively targets Cisco Secure Email Gateway and Secure Email and Web Manager Cisco's Security Email Gateway and Secure Email and Web Manager patch an already-exploited vulnerability. https://blog.talosintelligence.com/uat-9686/ https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-attack-N9bf4 SONICWALL SMA1000 APPLIANCE LOCAL PRIVILEGE ESCALATION VULNERABILITY A local privilege escalation vulnerability, which SonicWall patched today, is already being exploited. https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019 Google releases vulnerability details Google updated last week's advisory by adding a CVE to the "mystery vulnerability" and adding a statement that it affects WebGPU. No new patch was released. https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_16.html keywords: Google; Chrome; WebGPU; sonicwall; cisco; react2shell
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    6 mins
  • SANS Stormcast Wednesday, December 17th, 2025: Beyond RC4; Forticloud SSO Vuln Exploited; FortiGate SSO Exploited; (#)

    SANS Stormcast Wednesday, December 17th, 2025: Beyond RC4; Forticloud SSO Vuln Exploited; FortiGate SSO Exploited; (#)
    Dec 16 2025
    SANS Stormcast Wednesday, December 17th, 2025: Beyond RC4; Forticloud SSO Vuln Exploited; FortiGate SSO Exploited; Beyond RC4 for Windows authentication Microsoft outlined its transition plan to move away from RC4 for authentication and published guidance and tools to facilitate this change. https://www.microsoft.com/en-us/windows-server/blog/2025/12/03/beyond-rc4-for-windows-authentication FortiCloud SSO Login Vuln Exploited Arctic Wolf observed exploit attempts against vulnerable FortiGate appliances. https://arcticwolf.com/resources/blog/arctic-wolf-observes-malicious-sso-logins-following-disclosure-cve-2025-59718-cve-2025-59719/ FrePBX Vulnerability Horizon3.ai identified three distinct vulnerabilities in FreePBX. In particular, the authentication by-pass issue should be of concern, but default FreePBX installs do not use the vulnerable web authentication feature. https://horizon3.ai/attack-research/the-freepbx-rabbit-hole-cve-2025-66039-and-others/ keywords: freepbx; fortinet; saml; rc4; microsoft
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    7 mins
  • SANS Stormcast Tuesday, December 16th, 2025: Current React2Shell Example; SAML woes; MSMQ issues after patch; (#)

    SANS Stormcast Tuesday, December 16th, 2025: Current React2Shell Example; SAML woes; MSMQ issues after patch; (#)
    Dec 15 2025
    SANS Stormcast Tuesday, December 16th, 2025: Current React2Shell Example; SAML woes; MSMQ issues after patch; More React2Shell Exploits CVE-2025-55182 Our honeypots continue to detect numerous React2Shell variants. Some using slightly modified exploits https://isc.sans.edu/diary/More%20React2Shell%20Exploits%20CVE-2025-55182/32572 The Fragile Lock: Novel Bypasses For SAML Authentication SAML is a tricky protocol to implement correctly, in particular if different XML parsers are used that may not always agree on how to parse a specific message https://portswigger.net/research/the-fragile-lock December Updates Causes issues with Microsoft Message Queuing https://learn.microsoft.com/en-us/windows/release-health/status-windows-10-22h2#message-queuing--msmq--might-fail-with-the-december-2025-windows-security-update keywords: MSMQ; message queue; patch; saml; ruby; react2shell
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    6 mins
  • SANS Stormcast Monday, December 15th, 2025: DLL Entry Points; ClickFix and Finger; Apple Patches (#)

    SANS Stormcast Monday, December 15th, 2025: DLL Entry Points; ClickFix and Finger; Apple Patches (#)
    Dec 14 2025
    SANS Stormcast Monday, December 15th, 2025: DLL Entry Points; ClickFix and Finger; Apple Patches Abusing DLLs EntryPoint for the Fun DLLs will not just execute code when some of their functions are called, but also as they are loaded. https://isc.sans.edu/diary/Abusing%20DLLs%20EntryPoint%20for%20the%20Fun/32562 Apple Patches Everything: December 2025 Edition Apple released patches for all of its operating systems, fixing two already exploited vulnerabilities. ClickFix Attacks Still Using the Finger ClickFix Attacks Still Using the Finger Two examples of ClickFix attacks abusing the finger protocol to load additional malware Denial of Service and Source Code Exposure in React Server Components Denial of Service and Source Code Exposure in React Server Components After last week's critical patch, three more, but less critical, vulnerabilities were identified in React Server Components. https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components keywords: react; clickfix; finger; apple; dll; entrypoint
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    7 mins
  • SANS Stormcast Friday, December 12th, 2025: Local AI Models; Mystery Chrome 0-Day; SOAPwn Attack (#)

    SANS Stormcast Friday, December 12th, 2025: Local AI Models; Mystery Chrome 0-Day; SOAPwn Attack (#)
    Dec 12 2025
    SANS Stormcast Friday, December 12th, 2025: Local AI Models; Mystery Chrome 0-Day; SOAPwn Attack Using AI Gemma 3 Locally with a Single CPU Installing AI models on modes hardware is possible and can be useful to experiment with these models on premise https://isc.sans.edu/diary/Using%20AI%20Gemma%203%20Locally%20with%20a%20Single%20CPU%20/32556 "Mystery" Google Chrome 0-Day Vulnerability Google released an update for Google Chrome fixing a vulnerability that is already being exploited, but has not CVE number assigned to it yet https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html SOAPwn: Pwning NET Framework Applications Through HTTP Client Proxies And WSDL Watchtwr identified a common vulnerability in SOAP implementations using .Net https://labs.watchtowr.com/soapwn-pwning-net-framework-applications-through-http-client-proxies-and-wsdl/ keywords: SOAP; NET; SOAPwn; Google; Chrome; gemma; ai
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    7 mins
  • SANS Stormcast Thursday, December 11th, 2025: Possible CVE-2024-9042 variant; react2shell exploits; notepad++ update hijacking; macOS priv escalation (#)

    SANS Stormcast Thursday, December 11th, 2025: Possible CVE-2024-9042 variant; react2shell exploits; notepad++ update hijacking; macOS priv escalation (#)
    Dec 11 2025
    SANS Stormcast Thursday, December 11th, 2025: Possible CVE-2024-9042 variant; react2shell exploits; notepad++ update hijacking; macOS priv escalation Possible exploit variant for CVE-2024-9042 (Kubernetes OS Command Injection) We observed HTTP requests with our honeypot that may be indicative of a new version of an exploit against an older vulnerability. Help us figure out what is going on. https://isc.sans.edu/diary/Possible%20exploit%20variant%20for%20CVE-2024-9042%20%28Kubernetes%20OS%20Command%20Injection%29/32554 React2Shell: Technical Deep-Dive & In-the-Wild Exploitation of CVE-2025-55182 Wiz has a writeup with more background on the React2Shell vulnerability and current attacks https://www.wiz.io/blog/nextjs-cve-2025-55182-react2shell-deep-dive Notepad++ Update Hijacking Notepad++'s vulnerable update process was exploited https://notepad-plus-plus.org/news/v889-released/ New macOS PackageKit Privilege Escalation A PoC was released for a new privilege escalation vulnerability in macOS. Currently, there is no patch. https://khronokernel.com/macos/2024/06/03/CVE-2024-27822.html keywords: macos; privilege escalation; zsh; notepad++; evilgrade; react2shell; exploit; kubernetes
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    7 mins