Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/fastly-infoleak-samba-oob-access-and-pwning-macos.html
A discussion heavy episode this week as we speculate about how some XNU code passed muster, and how to exploit a small overflow and weaponizing a large info-leak.
[00:00:17] Spot the Vuln - From Bits to Bytes
[00:05:09] MacOS 12 Use After Free
[00:13:08] A story of leaking uninitialized memory from Fastly
[00:34:08] Details on a Samba Code Execution Bug [CVE-2021-44142]
[00:46:05] Winning a $31337 Bounty after Pwning Ubuntu and Escaping Google's KCTF Containers [CVE-2022-0185]
[00:49:38] Sha256 Algorithm Explained
The DAY[0] Podcast episodes are streamed live on Twitch (@dayzerosec) twice a week:
- Mondays at 3:00pm Eastern (Boston) we focus on web and more bug bounty style vulnerabilities
- Tuesdays at 7:00pm Eastern (Boston) we focus on lower-level vulnerabilities and exploits.
The Video archive can be found on our Youtube channel: https://www.youtube.com/c/dayzerosec
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