CVE-2024-32478 — Git Credential Manager (GCM) is a secure Git credential helper

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

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
git-ecosystem	git	credential-manager — < 2.5.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-04-19T14:37:57.617Z
• Last modified: 2024-08-02T02:13:39.117Z

09References

• github.com — https://github.com/git-ecosystem/git-credential-manager/security/advisories/GHSA…
• github.com — https://github.com/git-ecosystem/git-credential-manager/commit/d9ac33c5b14783836…