An issue exists in GalaxyClientService.exe in GOG Galaxy (Beta) 2.0.67.2 through 2.0.71.2 that could allow authenticated users to overwrite and corrupt critical system files via a combination of an NTFS Junction and an RPC Object Manager symbolic link and could result in a denial of service.
Weakness
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
Potential Mitigations
Related Attack Patterns
References
- https://github.com/anvilsecure/gog-galaxy-app-research
- https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50915%20-%20DoS.md
- https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
- https://github.com/anvilsecure/gog-galaxy-app-research
- https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50915%20-%20DoS.md
- https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog