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SANS Stormcast Wednesday, December 3rd, 2025: SmartTube Compromise; NPM Malware Prompt Injection Attempt; Angular XSS Vulnerability

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SmartTube Compromise; NPM Malware Prompt Injection Attempt; Angular XSS Vulnerability

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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

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Discussion

The Shibboleth vulnerability is quite interesting. In their example, the SAML signature covers the entire and they've made modifications to it (the changes to the uid) that should cause the signature to fail validation. This vulnerability speaks to larger architectural issues with Shibboleth. Obviously the signature validation is happening on a DIFFERENT document (the inline DTD defs are resolved and replaced) than the attribute extraction code works on (the inline DTD variables are not replaced). This is a HUGE no no and leads to the confused deputy issues that caused the vulnerability. I would bet other SP SAML parsing code is making similar mistakes.

Posted by Anonymous on Tue Jan 16 2018, 16:54

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