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CS:GO: From Zero to 0-day — Neodyme

neodyme.io · 3,494 words · saved by 1 readers

We identified three independent remote code execution (RCE) vulnerabilities in the popular Counter-Strike: Global Offensive game. Each vulnerability can be triggered when the game client connects to our malicious python CS:GO server. This post details our journey through the CS:GO binary and conducts a technical deep dive into various identified bugs. We conclude by presenting a proof of concept (POC) exploit that leverages four different logic bugs into remote code execution in the game's client, triggered when a client connects to the server.

Authored by: Felipe Alain TL;DR ¶ We identified three independent remote code execution (RCE) vulnerabilities in the popular Counter-Strike: Global Offensive game. Each vulnerability can be triggered when the game client connects to our malicious python CS:GO server. This post details our journey through the CS:GO binary and conducts a technical deep dive into various identified bugs. We conclude by presenting a proof of concept (POC) exploit that leverages four different logic bugs into remote code execution in the game’s client, triggered when a client connects to the server. Introduction ¶

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