cover of episode A Kernel Race, SuDump, and a Chrome Garbage Collector Bug [Exploit Dev/VR]

A Kernel Race, SuDump, and a Chrome Garbage Collector Bug [Exploit Dev/VR]

2021/10/28
logo of podcast Day[0]

Day[0]

Frequently requested episodes will be transcribed first

Shownotes Transcript

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/a-kernel-race-sudump-and-a-chrome-garbage-collector-bug.html

We start off this week with a look at in-the-wild 0days from the past seven years, before diving into some pretty awesome bugs this week including a OOB access in Squirrel (programming language), a couple Linux kernel issues and a Chrome garbage collector bug.

[00:00:22] Spot The Vuln - Just Be Positive - Solution

[00:06:42] Overview of 0days seen in the wild the last 7 years

[00:18:33] Squirrel Sandbox Escape allows Code Execution in Games and Cloud Services

[00:29:15] SuDump: Exploiting suid binaries through the kernel

[00:38:09] How a simple Linux kernel memory corruption bug can lead to complete system compromise

[00:55:46] Chrome in-the-wild bug analysis [CVE-2021-37975]

[01:12:40] FuzzCon Europe 2021

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.