PYSEC-2023-165

Vulnerability from pysec - Published: 2023-08-30 22:15 - Updated: 2023-09-07 14:33
VLAI?
Details

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 not yet been addressed.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Impacted products
Name purl
gitpython pkg:pypi/gitpython
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "gitpython",
        "purl": "pkg:pypi/gitpython"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.35"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1.7",
        "0.2.0-beta1",
        "0.3.0-beta1",
        "0.3.0-beta2",
        "0.3.1-beta2",
        "0.3.2",
        "0.3.2.1",
        "0.3.2.RC1",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "1.0.0",
        "1.0.1",
        "1.0.2",
        "2.0.0",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.0.4",
        "2.0.5",
        "2.0.6",
        "2.0.7",
        "2.0.8",
        "2.0.9",
        "2.0.9.dev0",
        "2.0.9.dev1",
        "2.1.0",
        "2.1.1",
        "2.1.10",
        "2.1.11",
        "2.1.12",
        "2.1.13",
        "2.1.14",
        "2.1.15",
        "2.1.2",
        "2.1.3",
        "2.1.4",
        "2.1.5",
        "2.1.6",
        "2.1.7",
        "2.1.8",
        "2.1.9",
        "3.0.0",
        "3.0.1",
        "3.0.2",
        "3.0.3",
        "3.0.4",
        "3.0.5",
        "3.0.6",
        "3.0.7",
        "3.0.8",
        "3.0.9",
        "3.1.0",
        "3.1.1",
        "3.1.10",
        "3.1.11",
        "3.1.12",
        "3.1.13",
        "3.1.14",
        "3.1.15",
        "3.1.16",
        "3.1.17",
        "3.1.18",
        "3.1.19",
        "3.1.2",
        "3.1.20",
        "3.1.22",
        "3.1.23",
        "3.1.24",
        "3.1.25",
        "3.1.26",
        "3.1.27",
        "3.1.28",
        "3.1.29",
        "3.1.3",
        "3.1.30",
        "3.1.31",
        "3.1.32",
        "3.1.33",
        "3.1.34",
        "3.1.4",
        "3.1.5",
        "3.1.6",
        "3.1.7",
        "3.1.8",
        "3.1.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-41040",
    "GHSA-cwvm-v4w8-q58c"
  ],
  "details": " 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\u0027t 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 not yet been addressed.",
  "id": "PYSEC-2023-165",
  "modified": "2023-09-07T14:33:25.683922+00:00",
  "published": "2023-08-30T22:15:00+00:00",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-cwvm-v4w8-q58c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-cwvm-v4w8-q58c"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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