CVE-2023-50914

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

30/04/2024

Last modified:

01/08/2024

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): Low

Base Score 3.x

6.70

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

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
https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/