CVE-2023-41040 (GCVE-0-2023-41040)
Vulnerability from cvelistv5
Published
2023-08-30 21:07
Modified
2025-11-03 21:49
Severity ?
4.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
GitPython is a python library used to interact with Git repositories. In order to resolve some git references, GitPython reads files from the `.git` directory, in some places the name of the file being read is provided by the user, GitPython doesn't check if this file is located outside the `.git` directory. This allows an attacker to make GitPython read any file from the system. This vulnerability is present in https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175. That code joins the base directory with a user given string without checking if the final path is located outside the base directory. This vulnerability cannot be used to read the contents of files but could in theory be used to trigger a denial of service for the program. This issue has been addressed in version 3.1.37.
References
security-advisories@github.com https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175 Product
security-advisories@github.com https://github.com/gitpython-developers/GitPython/commit/74e55ee4544867e1bd976b7df5a45869ee397b0b
security-advisories@github.com https://github.com/gitpython-developers/GitPython/commit/e98f57b81f792f0f5e18d33ee658ae395f9aa3c4
security-advisories@github.com https://github.com/gitpython-developers/GitPython/pull/1672
security-advisories@github.com https://github.com/gitpython-developers/GitPython/releases/tag/3.1.37
security-advisories@github.com https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-cwvm-v4w8-q58c Exploit, Vendor Advisory
security-advisories@github.com https://github.com/pypa/advisory-database/tree/main/vulns/gitpython/PYSEC-2023-165.yaml
security-advisories@github.com https://lists.debian.org/debian-lts-announce/2023/09/msg00036.html
af854a3a-2127-422b-91ae-364da2661108 https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175 Product
af854a3a-2127-422b-91ae-364da2661108 https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-cwvm-v4w8-q58c Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2023/09/msg00036.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/10/msg00030.html
Impacted products
Vendor Product Version
gitpython-developers GitPython Version: < 3.1.37
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