Malformed .BSP Access Violation in CS:GO can lead to Remote Code Execution

Disclosed: 2018-07-19 21:55:29 By chippy To valve
Critical
Vulnerability Details
A malformed .BSP can trigger an Access Violation on CS:GO that can lead to arbitrary code execution on a remote computer. I have attached a copy of the malformed .BSP which reliably triggers an Access Violation on CS:GO. ## Impact An attacker hosting a malicious server could compromise a remote client by having them download a custom map, triggering remote code execution on the victim's computer.
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Report Stats
  • Report ID: 351014
  • State: Closed
  • Substate: resolved
  • Upvotes: 149
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