CVE-2023-50914

Summary

A Privilege Escalation issue in the inter-process communication procedure from GOG Galaxy (Beta) 2.0.67.2 through v2.0.71.2 allows authentictaed users to change the DACL of arbitrary system directories to include Everyone full control permissions by modifying the FixDirectoryPrivileges instruction parameters sent from GalaxyClient.exe to GalaxyClientService.exe.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

CVE Program Container

Additional References

• https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/
• 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-2023-50914%20-%20LPE.md

References

• https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/
• 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-2023-50914%20-%20LPE.md

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