Handler on Duty: Johannes Ullrich
Threat Level: green
Podcast Detail
xz-utils Backdoor (CVE-2024-3094)
If you are not able to play the podcast using the player below: Use this direct link to the audio file: https://traffic.libsyn.com/securitypodcast/8918.mp3
My Next Class
Click HERE to learn more about classes Johannes is teaching for SANS
xz-utils Backdoor CVE-2024-3094
https://www.openwall.com/lists/oss-security/2024/03/29/4
https://tukaani.org/xz-backdoor/
https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27
Backdoor reverse analysis
https://bsky.app/profile/did:plc:x2nsupeeo52oznrmplwapppl/post/3kowjkx2njy2b
YARA Rule
https://github.com/byinarie/CVE-2024-3094-info/blob/main/CVE-2024-3094.yar
Social Engineering Attempts to Include Backdoor in Distros
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1067708
https://news.ycombinator.com/item?id=39866275
Github Repo (now disabled)
https://github.com/tukaani-project/xz
Statements from Distributions
https://www.kali.org/blog/about-the-xz-backdoor/
https://archlinux.org/news/the-xz-package-has-been-backdoored/
https://access.redhat.com/security/cve/CVE-2024-3094
https://bugs.gentoo.org/928134
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068024
https://www.openwall.com/lists/oss-security/2024/03/29/4
https://tukaani.org/xz-backdoor/
https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27
Backdoor reverse analysis
https://bsky.app/profile/did:plc:x2nsupeeo52oznrmplwapppl/post/3kowjkx2njy2b
YARA Rule
https://github.com/byinarie/CVE-2024-3094-info/blob/main/CVE-2024-3094.yar
Social Engineering Attempts to Include Backdoor in Distros
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1067708
https://news.ycombinator.com/item?id=39866275
Github Repo (now disabled)
https://github.com/tukaani-project/xz
Statements from Distributions
https://www.kali.org/blog/about-the-xz-backdoor/
https://archlinux.org/news/the-xz-package-has-been-backdoored/
https://access.redhat.com/security/cve/CVE-2024-3094
https://bugs.gentoo.org/928134
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068024
iTunes
MP3 Download
RSS Feed
Google
Podbean
Amazon Echo
YouTube
Spreaker
Spotify
Discussion
New Discussions closed for all Podcasts older than two(2) weeks
Please send your comments to our Contact Form
| Application Security: Securing Web Apps, APIs, and Microservices | Online | British Summer Time | Jul 27th - Aug 1st 2026 |
| 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 |
Learn about the Internet Storm Center and our volunteer InfoSec handlers
© 2026 SANS™ Internet Storm Center
Developers: We have an API for you! 