Type Confusion in Android NFC, PHP-FPM Local Privilege Escalation, and CallbackHell [Binary Exploitation]

What this episode covers

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/type-confusion-in-android-nfc-php-fpm-local-privilege-escalation-and-callbackhell.html This week we dive into PHP-FPM internals to look at escelating from a worker process to the root process, anotehr GDI bug, and a type confusion. [00:00:18] Spot the Vuln - Over the Edge - Solution [00:03:40] Trick & Treat! Paying Leets and Sweets for Linux Kernel privescs and k8s escapes [00:10:33] Android NFC: Type confusion due to race condition during tag type change [00:14:50] PHP-FPM local root vulnerability [00:28:26] GitHub - ly4k/CallbackHell: Exploit for CVE-2021-40449 - Win32k Elevation of Privilege Vulnerability (LPE) [00:29:54] GitHub - ly4k/CallbackHell: Exploit for CVE-2021-40449 - Win32k Elevation of Privilege Vulnerability (LPE) [00:36:39] This bug doesn’t exist on x86: Exploiting an ARM-only race condition 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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