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MitreCVE-2023-50914

HistoryApr 30, 2024 - 2:15 p.m.

CVE-2023-50914

2024-04-3014:15:10

CWE-279

mitre

web.nvd.nist.gov

cve-2023-50914

inter-process communication

privilege escalation

gog galaxy

arbitrary system directories

everyone full control permissions

fixdirectoryprivileges

galaxyclient.exe

galaxyclientservice.exe

nvd

CVSS3

6.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

AI Score

6.9

Confidence

High

EPSS

Percentile

15.5%

JSON

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.

References

github.com/anvilsecure/gog-galaxy-app-research

github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md

support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog

www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/

CVSS3

6.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

AI Score

6.9

Confidence

High

EPSS

Percentile

15.5%

JSON

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