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  5. CVE-2025-54584

CVE-2025-54584: GitProxy Backfile Parsing Exploit

July 30, 2025 (updated November 10, 2025)

An attacker can craft a malicious Git packfile to exploit the PACK signature detection in the parsePush.ts. By embedding a misleading PACK signature within commit content and carefully constructing the packet structure, the attacker can trick the parser into treating invalid or unintended data as the packfile. Potentially, this would allow bypassing approval or hiding commits.

References

  • github.com/advisories/GHSA-xxmh-rf63-qwjv
  • github.com/finos/git-proxy
  • github.com/finos/git-proxy/commit/333c98a165a5a1ec88414db3d4a2c6f81e083e0f
  • github.com/finos/git-proxy/commit/a620a2f33c39c78e01783a274580bf822af3cc3a
  • github.com/finos/git-proxy/releases/tag/v1.19.2
  • github.com/finos/git-proxy/security/advisories/GHSA-xxmh-rf63-qwjv
  • nvd.nist.gov/vuln/detail/CVE-2025-54584

Code Behaviors & Features

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Affected versions

All versions before 1.19.2

Fixed versions

  • 1.19.2

Solution

Upgrade to version 1.19.2 or above.

Impact 5.7 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-115: Misinterpretation of Input

Source file

npm/@finos/git-proxy/CVE-2025-54584.yml

Spotted a mistake? Edit the file on GitLab.

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