Podcast Detail

SANS Stormcast Monday, July 27th, 2026: ESAFENET CDG Scans; DNS Poisoning; macOS Gatekeeper bypass; GitHub and PyPi updates

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ESAFENET CDG Scans; DNS Poisoning; macOS Gatekeeper bypass; GitHub and PyPi updates

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Scans for ESAFENET CDG 3 Document Management System Weak Logins
https://isc.sans.edu/diary/Scans%20for%20ESAFENET%20CDG%203%20Document%20Management%20System%20Weak%20Logins/33184

DNS Poisoning Tactics Expand to Hospitality Wi-Fi
https://reliaquest.com/blog/threat-spotlight-dns-poisoning-tactics-expand-to-hospitality/

Silent Replacement of Trusted macOS App Executables
https://mysk.blog/2026/07/23/macos-overwrite-app-executables/

GitHub and PyPi Defense updates
https://github.blog/security/supply-chain-security/the-case-for-a-cooldown-why-dependabot-now-waits-before-issuing-version-updates/
https://blog.pypi.org/posts/2026-07-22-releases-now-reject-new-files-after-14-days/
https://www.bleepingcomputer.com/news/security/github-pypi-add-time-absed-defenses-against-supply-chain-attacks/

My Upcoming Classes
https://www.sans.org/profiles/dr-johannes-ullrich

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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

Application Security: Securing Web Apps, APIs, and Microservices	Las Vegas	Sep 21st - Sep 25th 2026
Network Monitoring and Threat Detection In-Depth	Amsterdam	Oct 12th - Oct 17th 2026
Application Security: Securing Web Apps, APIs, and Microservices	Washington	Dec 14th - Dec 18th 2026
Application Security: Securing Web Apps, APIs, and Microservices	Online \| India Standard Time	Mar 15th - Mar 20th 2027

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