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CVE-2022-31262 is a local privilege escalation vulnerability in GOG Galaxy 2.0.46. The vulnerability arises from insufficient permissions on the %ProgramData%\GOG.com folder, allowing a local attacker to replace the GalaxyCommunication service executable with a malicious file. When the service is started, the malicious executable is run with SYSTEM privileges, enabling arbitrary code execution at the highest privilege level.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository provides a local privilege escalation (LPE) exploit for GOG Galaxy 2.X on Windows, targeting CVE-2022-31262. The exploit consists of a PowerShell script (exploit.ps1) and a C++ payload (GalaxyCommunication.cpp). The PowerShell script checks for vulnerable permissions on the GOG Galaxy installation directories, stops relevant GOG services and processes, renames the Galaxy folder, creates a hijacked folder structure, and places a malicious GalaxyCommunication.exe (compiled from the C++ source) in the expected location. It then restarts the GalaxyCommunication service, which executes the payload as SYSTEM, spawning a SYSTEM-level command shell. After exploitation, the script attempts to restore the original folder structure to cover its tracks. The exploit is operational and provides a SYSTEM shell if successful. The main attack vector is local, requiring access to the target machine. The repository is well-structured, with clear separation between the exploit logic (PowerShell) and the payload (C++).
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