CVE-2024-32478: Git Credential Manager (GCM)'s Debian package does not set root ownership on installed files

Severity: medium (CVSS 6.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-19 · updated 2026-06-17
Weakness: CWE-732

Description

Git Credential Manager (GCM) is a secure Git credential helper. Prior to 2.5.0, the Debian package does not set root ownership on installed files. This allows user 1001 on a multi-user system can replace binary and gain other users' privileges. This vulnerability is fixed in 2.5.0.

Affected products

git-ecosystem git-credential-manager: before 2.5.0 — fixed in 2.5.0

How to fix

Upgrade to a fixed version: git-ecosystem git-credential-manager 2.5.0. Check the vendor advisory for mitigations.

References

https://github.com/git-ecosystem/git-credential-manager/commit/d9ac33c5b1478383672b4425f5ecf875a62efba9
https://github.com/git-ecosystem/git-credential-manager/security/advisories/GHSA-3c3g-h9rx-f7vq
https://github.com/git-ecosystem/git-credential-manager/commit/d9ac33c5b1478383672b4425f5ecf875a62efba9
https://github.com/git-ecosystem/git-credential-manager/security/advisories/GHSA-3c3g-h9rx-f7vq

Get alerted when CVE-2024-32478 or the next vulnerability affects your stack