BrokenPipe

BrokenPipe - Steam Client Service LPE Vulnerability This is the single-script version. The original compiled C++ PoC is on the legacy branch. Thanks to John Hammond for the suggestion, subscribe to him! PoC video: YouTube John Hammond's breakdown: YouTube Greetz to @MSNIGHTMARE2000 for the inspo ...

Valve: Arbitrary File Write as SYSTEM from unprivileged user

Note: This report was reviewed and updated after a correction to program scope. Vulnerability ======== The Steam Client installs a "Steam Client Service" that runs as SYSTEM to update the steam application. This service executes from C:\Program Files x86\Common\Steam where permissions are properl...