GOG Galaxy 2.0.17

An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user starts or uninstalls a game because of weak file permissions and missing file integrity checks.

An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user installs a game or performs a verify/repair operation. The issue exists because of weak file permissions and can be exploited by using opportunistic locks.