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Day[0]

[binary] RetSpill, A Safari Vuln, and Steam RCE

57 min • 22 december 2023

A bit of a rambling episode to finish off 2023, we talk about some Linux kernel exploitation research (RetSpill) then get into several vulnerabilities. A type confusion in QNAP QTS5, a JavaScriptCore bug in Safari, and several issues in Steam's Remote Play protocol.


Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/232.html


[00:00:00] Introduction

[00:02:00] RetSpill - Igniting User-Controlled Data to Burn Away Linux Kernel Protections

[00:12:23] QNAP QTS5 – /usr/lib/libqcloud.so JSON parsing leads to RCE

[00:19:53] Safari, Hold Still for NaN Minutes!

[00:31:00] Achieving Remote Code Execution in Steam: a journey into the Remote Play protocol


The DAY[0] Podcast episodes are streamed live on Twitch 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.


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