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

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.