An Android Kernel Bug and a Chrome+Edge Bug [Binary Exploitation]

What this episode covers

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/an-android-kernel-bug-a-chrome-edge-exploit.html Hex-rays/Adobe cross-over as they move to a subscription model and we are not too happy about it, we also discuss a few interesting bugs this week from an odd optimization and a signedness bug in Chrome, to some mishandled null-bytes in runc, and a subtle object-state confusion in the Linux kernel [00:00:21] Spot the Vuln - Revenge of the Average [00:04:38] Hex-rays is moving to a Subscription model [00:32:49] Understanding the Root Cause of a Chrome Bug from Pwn2Own 2021 [CVE-2021-21220] [00:44:30] runc/libcontainer: insecure handling of null-bytes in bind mount sources [00:49:50] refcount increment on mid-destruction file [CVE-2021-1048] [00:56:30] Overview of V8 Exploitation 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.

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