Podcast Detail

SANS Stormcast Thursday, April 30th, 2026: Odd Requests; MSFT LNK Bug Exploited; Secure Boot Fix; TLS Updates; SAP npm malware

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Odd Requests; MSFT LNK Bug Exploited; Secure Boot Fix; TLS Updates; SAP npm malware

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Today's Odd Web Requests
https://isc.sans.edu/diary/Today%27s%20Odd%20Web%20Requests/32934

Incomplete Patch of APT28's Zero-Day Leads to CVE-2026-32202
https://www.akamai.com/blog/security-research/2026/apr/incomplete-patch-apt28s-zero-day-cve-2026-32202

Assess Secure Boot status with Microsoft Defender
https://techcommunity.microsoft.com/blog/MicrosoftDefenderATPBlog/assess-secure-boot-status-with-microsoft-defender/4510356

Deprecating Legacy TLS and Endpoints for POP and IMAP in Exchange Online
https://techcommunity.microsoft.com/blog/exchange/deprecating-legacy-tls-and-endpoints-for-pop-and-imap-in-exchange-online/4515201

SAP Related npm Packages Compromised
https://www.stepsecurity.io/blog/a-mini-shai-hulud-has-appeared

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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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