XZ - Backdoors and The Fragile Supply Chain - PSW #823

Paul's Security Weekly (Audio)

As most of you have probably heard there was a scary supply chain attack against the open source compression software called "xz". The security weekly hosts will break down all the details and provide valuable insights.

• https://blog.qualys.com/vulnerabilities-threat-research/2024/03/29/xz-utils-sshd-backdoor
• https://gynvael.coldwind.pl/?id=782
• https://isc.sans.edu/diary/The+xzutils+backdoor+in+security+advisories+by+national+CSIRTs/30800
• https://lcamtuf.substack.com/p/technologist-vs-spy-the-xz-backdoor
• https://github.com/amlweems/xzbot
• https://unit42.paloaltonetworks.com/threat-brief-xz-utils-cve-2024-3094/
• https://unicornriot.ninja/2024/xz-utils-software-backdoor-uncovered-in-years-long-hacking-plot/
• https://gist.github.com/smx-smx/a6112d54777845d389bd7126d6e9f504
• https://arstechnica.com/security/2024/04/what-we-know-about-the-xz-utils-backdoor-that-almost-infected-the-world/
• https://xeiaso.net/notes/2024/xz-vuln/
• https://infosec.exchange/@[e-mail]
• https://github.com/notselwyn/cve-2024-1086?tab=readme-ov-file
• https://doublepulsar.com/inside-the-failed-attempt-to-backdoor-ssh-globally-that-got-caught-by-chance-bbfe628fafdd

pfSense switches to Linux (April Fools?), Flipper panic in Oz, Tales from the Krypt, Funding to secure the Internet, Abusing SSH on Windows, Blinding EDR, more hotel hacking, Quantum Bleed, and more!

Visit https://www.securityweekly.com/psw for all the latest episodes!

Show Notes: https://securityweekly.com/psw-823