Sans Internet Storm Center Daily Network/cyber Security And Information Security Podcast

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/

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

Microsoft Patch Tuesday Microsoft released its regular monthly patch on Tuesday, addressing 57 flaws. https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20December%202025/32550 Adobe Patches Adobe patched five products. The remote code execution in ColdFusion, as well as the code execution issue in Acrobat, will very likely see exploits soon. https://helpx.adobe.com/security.html Ivanti Endpoint Manager Patches Ivanti patched four vulnerabilities in End Point Manager. https://forums.ivanti.com/s/article/Security-Advisory-EPM-December-2025-for-EPM-2024?language=en_US Fortinet FortiCloud SSO Vulnerability Due to a cryptographic vulnerability, Forinet s FortiCloud SSO authentication is bypassable. https://fortiguard.fortinet.com/psirt/FG-IR-25-647 ruby-saml vulnerability Ruby fixed a vulnerability in ruby-saml. The issue is due to an incomplete patch for another vulnerability a few months ago. https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-9v8j-x534-2fx3

nanoKVM Vulnerabilities The nanoKVM device updates firmware insecurely; however, the microphone that the authors of the advisory referred to as undocumented may actually be documented in the underlying hardware description. https://www.tomshardware.com/tech-industry/cyber-security/researcher-finds-undocumented-microphone-and-major-security-flaws-in-sipeed-nanokvm Ghostframe Phishing Kit The Ghostframe phishing kit uses iFrames and random subdomains to evade detection https://blog.barracuda.com/2025/12/04/threat-spotlight-ghostframe-phishing-kit WatchGuard Advisory WatchGuard released an update for its Firebox appliance, fixing ten vulnerabilities. Five of these are rated as High. https://www.watchguard.com/wgrd-psirt/advisories

AutoIT3 Compiled Scripts Dropping Shellcodes Malicious AutoIT3 scripts are usign the FileInstall function to include additional scripts at compile time that are dropped as temporary files during execution. https://isc.sans.edu/diary/AutoIT3%20Compiled%20Scripts%20Dropping%20Shellcodes/32542 React2Shell Update The race is on to patch vulnerable systems. Various groups are aggressively scanning the internet with different exploit variants. Some attempt to bypass WAFs. https://blog.cloudflare.com/5-december-2025-outage/ https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/ Apache Tika XXE Flaw Apache s Tika library patched a XXE flaw. https://lists.apache.org/thread/s5x3k93nhbkqzztp1olxotoyjpdlps9k

Nation-State Attack or Compromised Government? [Guest Diary] An IP address associated with the Indonesian Government attacked one of our interns' honeypots. https://isc.sans.edu/diary/Nation-State%20Attack%20or%20Compromised%20Government%3F%20%5BGuest%20Diary%5D/32536 React Update Working exploits for the React vulnerability patched yesterday are not widely available Array Networks Array AG Vulnerablity A recently patched vulnerability in Array Networks Array AG VPN gateways is actively exploited. https://www.jpcert.or.jp/at/2025/at250024.html

Attempts to Bypass CDNs Our honeypots recently started receiving scans that included CDN specific headers. https://isc.sans.edu/diary/Attempts%20to%20Bypass%20CDNs/32532 React Vulnerability CVE-2025-55182 React patched a critical vulnerability in React server components. Exploitation is likely imminent. https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components Unveiling 3 PickleScan Vulnerabilities The PyTorch AI model security tool, PickleScan, has patched three critical vulnerabilities. https://jfrog.com/blog/unveiling-3-zero-day-vulnerabilities-in-picklescan/

SmartTube Android App Compromise The key a developer used to sign the Android YouTube player SmartTube was compromised and used to publish a malicious version. https://github.com/yuliskov/SmartTube/issues/5131#issue-3670629826 https://github.com/yuliskov/SmartTube/releases/tag/notification Two Years, 17K Downloads: The NPM Malware That Tried to Gaslight Security Scanners Over the course of two years, a malicious NPM package was updated to evade detection and has now been identified, in part, due to its attempt to bypass AI scanners through prompt injection. https://www.koi.ai/blog/two-years-17k-downloads-the-npm-malware-that-tried-to-gaslight-security-scanners Stored XSS Vulnerability via SVG Animation, SVG URL, and MathML Attributes Angular fixed a store XSS vulnerability. https://github.com/angular/angular/security/advisories/GHSA-v4hv-rgfq-gp49

Hunting for SharePoint In-Memory ToolShell Payloads A walk-through showing how to analyze ToolShell payloads, starting with acquiring packets all the way to decoding embedded PowerShell commands. https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Hunting%20for%20SharePoint%20In-Memory%20ToolShell%20Payloads/32524 Android Security Bulletin December 2025 Google fixed numerous vulnerabilities with its December Android update. Two of these vulnerabilities are already being exploited. https://source.android.com/docs/security/bulletin/2025-12-01 4.3 Million Browsers Infected: Inside ShadyPanda's 7-Year Malware Campaign A group or individual released several browser extensions that worked fine for years until an update injected malicious code into the extension https://www.koi.ai/blog/4-million-browsers-infected-inside-shadypanda-7-year-malware-campaign

Fake adult websites pop realistic Windows Update screen to deliver stealers via ClickFix The latest variant of ClickFix tricks users into copy/pasting commands by displaying a fake blue screen of death. https://www.acronis.com/en/tru/posts/fake-adult-websites-pop-realistic-windows-update-screen-to-deliver-stealers-via-clickfix/ B2B Guest Access Creates an Unprotected Attack Vector Users may be tricked into joining an external Teams workspace as a guest, bypassing protections typically enabled for Teams workspaces. https://www.ontinue.com/resource/blog-microsoft-chat-with-anyone-understanding-phishing-risk/ Geoserver XXE Vulnerability CVE-2025-58360 Geoserver patched an external XML entity (XXE) vulnerability. https://helixguard.ai/blog/CVE-2025-58360

Spyware Allows Cyber Threat Actors to Target Users of Messaging Applications Spyware attacks messaging applications in part by triggering vulnerabilities in messaging applications but also by deploying tools like keystroke loggers and screenshot applications. https://www.cisa.gov/news-events/alerts/2025/11/24/spyware-allows-cyber-threat-actors-target-users-messaging-applications Stop Putting Your Passwords Into Random Websites Yes. Just Stop! https://labs.watchtowr.com/stop-putting-your-passwords-into-random-websites-yes-seriously-you-are-the-problem/ Fluentbit Vulnerability https://www.oligo.security/blog/critical-vulnerabilities-in-fluent-bit-expose-cloud-environments-to-remote-takeover Happy Thanksgiving. Next podcast on Monday after Thanksgiving.

Conflicts between URL mapping and URL based access control. Mapping different URLs to the same script, and relying on URL based authentication at the same time, may lead to dangerous authentication and access control gaps. https://isc.sans.edu/diary/Conflicts%20between%20URL%20mapping%20and%20URL%20based%20access%20control./32518 Sha1-Hulud, The Second Coming A new, destructive variant of the Shai-Hulud worm is currently spreading through NPM/Github repos. https://www.koi.ai/incident/live-updates-sha1-hulud-the-second-coming-hundred-npm-packages-compromised Hacklore: Cleaning up Outdated Security Advice A new website, hacklore.org, has published an open letter from former CISOs and other security leaders aimed at addressing some outdated security advice that is often repeated. https://www.hacklore.org

Use of CSS stuffing as an obfuscation technique? Phishing sites stuff their HTML with benign CSS code. This is likely supposed to throw of simple detection engines https://isc.sans.edu/diary/Use%20of%20CSS%20stuffing%20as%20an%20obfuscation%20technique%3F/32510 Critical Oracle Identity Manager Flaw Possibly Exploited as Zero-Day Early exploit attempts for the vulnerability were part of Searchlight Cyber s research effort https://www.securityweek.com/critical-oracle-identity-manager-flaw-possibly-exploited-as-zero-day/ ClamAV Cleaning Signature Database ClamAV will significantly clean up its signature database https://blog.clamav.net/2025/11/clamav-signature-retirement-announcement.html

Oracle Identity Manager Exploit Observation from September (CVE-2025-61757) We observed some exploit attempts in September against an Oracle Identity Manager vulnerability that was patched in October, indicating that exploitation may have occurred prior to the patch being released. https://isc.sans.edu/diary/Oracle%20Identity%20Manager%20Exploit%20Observation%20from%20September%20%28CVE-2025-61757%29/32506 https://slcyber.io/research-center/breaking-oracles-identity-manager-pre-auth-rce/ DigitStealer: a JXA-based infostealer that leaves little footprint https://www.jamf.com/blog/jtl-digitstealer-macos-infostealer-analysis/ SonicWall DoS Vulnerability Sonicwall patched a DoS vulnerability in SonicOS https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0016 Adam Wilson: Automating Generative AI Guidelines: Reducing Prompt Injection Risk with 'Shift-Left' MITRE ATLAS Mitigation Testing

Unicode: It is more than funny domain names. Unicode can cause a number of issues due to odd features like variance selectors and text direction issues. https://isc.sans.edu/diary/Unicode%3A%20It%20is%20more%20than%20funny%20domain%20names./32472 FortiWeb Multiple OS command injection in API and CLI A second silently patched vulnerability in FortiWeb is already being exploited in the wild. https://fortiguard.fortinet.com/psirt/FG-IR-25-513 DLink DIR-878 Vulnerability DLink disclosed four different vulnerabilities in its popular DIR-878 router. The router is end-of-life and DLink will not release patches https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10475 Operation WrtHug, The Global Espionage Campaign Hiding in Your Home Router A new report, Operation WrtHug, has uncovered a massive, coordinated effort that has compromised thousands of ASUS routers worldwide. https://securityscorecard.com/blog/operation-wrthug-the-global-espionage-campaign-hiding-in-your-home-router/

KongTuke Activity This diary investigates how a recent Kong Tuke infections evolved all the way from starting with a ClickFix attack. https://isc.sans.edu/diary/KongTuke%20activity/32498 Cloudflare Outage Cloudflare suffered a large outage today after an oversized configuration file was loaded into its bot protection service https://x.com/dok2001 Google Patches Chrome 0-Day Google patched two vulnerabilities in Chrome. One of them is already being exploited. https://chromereleases.googleblog.com/2025/11/stable-channel-update-for-desktop_17.html

Decoding Binary Numeric Expressions Didier updated his number to hex script to support simple arithmetic operations in the text. https://isc.sans.edu/diary/Decoding%20Binary%20Numeric%20Expressions/32490 Tea Token NPM Pollution The NPM repository was hit with around 150,000 submissions that did not contain any useful contributions, but instead attempted to fake contributions to earn a new tea coin. https://aws.amazon.com/blogs/security/amazon-inspector-detects-over-150000-malicious-packages-linked-to-token-farming-campaign/ IBM AIX NIMSH Vulnerabilities IBM patched several critical vulnerablities in the NIMSH daemon https://www.ibm.com/support/pages/node/7251173

Fortiweb Vulnerability Fortinet, with significant delay, acknowledged a recently patched vulnerability after exploit attempts were seen publicly. https://isc.sans.edu/diary/Honeypot+FortiWeb+CVE202564446+Exploits/32486 https://labs.watchtowr.com/when-the-impersonation-function-gets-used-to-impersonate-users-fortinet-fortiweb-auth-bypass/ https://fortiguard.fortinet.com/psirt/FG-IR-25-910?ref=labs.watchtowr.com Flnger.exe and ClickFix Attackers started to use the finger.exe binary to retrieve additional payload in ClickFix attacks https://isc.sans.edu/diary/Finger.exe%20%26%20ClickFix/32492

SmartApeSG campaign uses ClickFix page to push NetSupport RAT A detailed analysis of a recent SamtApeSG campaign taking advantage of ClickFix https://isc.sans.edu/diary/32474 Formbook Delivered Through Multiple Scripts An analysis of a recent version of Formbook showing how it takes advantage of multiple obfuscation tricks https://isc.sans.edu/diary/32480 sudo-rs vulnerabilities Two vulnerabilities were patched in sudo-rs, the version of sudo written in Rust, showing that while Rust does have an advantage when it comes to memory safety, there are plenty of other vulnerabilities to worry about https://ubuntu.com/security/notices/USN-7867-1 https://github.com/trifectatechfoundation/sudo-rs/security/advisories/GHSA-c978-wq47-pvvw?ref=itsfoss.com SANS Holiday Hack Challenge https://sans.org/HolidayHack

OWASP Top 10 2025 Release Candidate OWASP published a release candidate for the 2025 version of its Top 10 list https://owasp.org/Top10/2025/0x00_2025-Introduction/ Citrix/Cisco Exploitation Details Amazon detailed how Citrix and Cisco vulnerabilities were used by advanced actors to upload webshells https://aws.amazon.com/blogs/security/amazon-discovers-apt-exploiting-cisco-and-citrix-zero-days/ Testing Quantum Readyness A website tests your services for post-quantum computing-resistant cryptographic algorithms https://qcready.com/