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

You can also join our discord: https://discord.gg/daTxTK9

Or follow us on Twitter (@dayzerosec) to know when new releases are coming.

[binary] Fastly Infoleak, Samba OOB Access, and Pwning MacOS