cvelistv5 - cve-2023-40590

Source	URL	Tags
security-advisories@github.com	https://docs.python.org/3/library/subprocess.html#popen-constructor	Product
security-advisories@github.com	https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4	Exploit, Mitigation, Vendor Advisory

Vendor	Product
gitpython-developers	GitPython

pysec-2023-161

Vulnerability from pysec

Published

2023-08-28 18:15

Modified

2023-09-05 22:26

Severity

7.8 (High) - CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

GitPython is a python library used to interact with Git repositories. When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment. GitPython defaults to use the git command, if a user runs GitPython from a repo has a git.exe or git executable, that program will be run instead of the one in the user's PATH. This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren't affected by this. But probably people using GitPython usually run it from the CWD of a repo. An attacker can trick a user to download a repository with a malicious git executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands. There is no fix currently available for windows users, however there are a few mitigations. 1: Default to an absolute path for the git program on Windows, like C:\\Program Files\\Git\\cmd\\git.EXE (default git path installation). 2: Require users to set the GIT_PYTHON_GIT_EXECUTABLE environment variable on Windows systems. 3: Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the GIT_PYTHON_GIT_EXECUTABLE env var to an absolute path. 4: Resolve the executable manually by only looking into the PATH environment variable.

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "gitpython",
        "purl": "pkg:pypi/gitpython"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.33"
            }
          ],
          "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",
        "3.1.4",
        "3.1.5",
        "3.1.6",
        "3.1.7",
        "3.1.8",
        "3.1.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-40590",
    "GHSA-wfm5-v35h-vwf4"
  ],
  "details": " GitPython is a python library used to interact with Git repositories. When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment. GitPython defaults to use the `git` command, if a user runs GitPython from a repo has a `git.exe` or `git` executable, that program will be run instead of the one in the user\u0027s `PATH`. This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren\u0027t affected by this. But probably people using GitPython usually run it from the CWD of a repo. An attacker can trick a user to download a repository with a malicious `git` executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands. There is no fix currently available for windows users, however there are a few mitigations. 1: Default to an absolute path for the git program on Windows, like `C:\\\\Program Files\\\\Git\\\\cmd\\\\git.EXE` (default git path installation). 2: Require users to set the `GIT_PYTHON_GIT_EXECUTABLE` environment variable on Windows systems. 3: Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the `GIT_PYTHON_GIT_EXECUTABLE` env var to an absolute path. 4: Resolve the executable manually by only looking into the `PATH` environment variable.",
  "id": "PYSEC-2023-161",
  "modified": "2023-09-05T22:26:14.587281+00:00",
  "published": "2023-08-28T18:15:00+00:00",
  "references": [
    {
      "type": "WEB",
      "url": "https://docs.python.org/3/library/subprocess.html#popen-constructor"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

gsd-2023-40590

Vulnerability from gsd

Modified

2023-12-13 01:20

Details

GitPython is a python library used to interact with Git repositories. When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment. GitPython defaults to use the `git` command, if a user runs GitPython from a repo has a `git.exe` or `git` executable, that program will be run instead of the one in the user's `PATH`. This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren't affected by this. But probably people using GitPython usually run it from the CWD of a repo. An attacker can trick a user to download a repository with a malicious `git` executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands. There is no fix currently available for windows users, however there are a few mitigations. 1: Default to an absolute path for the git program on Windows, like `C:\\Program Files\\Git\\cmd\\git.EXE` (default git path installation). 2: Require users to set the `GIT_PYTHON_GIT_EXECUTABLE` environment variable on Windows systems. 3: Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the `GIT_PYTHON_GIT_EXECUTABLE` env var to an absolute path. 4: Resolve the executable manually by only looking into the `PATH` environment variable.

Aliases

CVE-2023-40590

Aliases

CVE-2023-40590

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-40590",
    "id": "GSD-2023-40590"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-40590"
      ],
      "details": " GitPython is a python library used to interact with Git repositories. When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment. GitPython defaults to use the `git` command, if a user runs GitPython from a repo has a `git.exe` or `git` executable, that program will be run instead of the one in the user\u0027s `PATH`. This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren\u0027t affected by this. But probably people using GitPython usually run it from the CWD of a repo. An attacker can trick a user to download a repository with a malicious `git` executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands. There is no fix currently available for windows users, however there are a few mitigations. 1: Default to an absolute path for the git program on Windows, like `C:\\\\Program Files\\\\Git\\\\cmd\\\\git.EXE` (default git path installation). 2: Require users to set the `GIT_PYTHON_GIT_EXECUTABLE` environment variable on Windows systems. 3: Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the `GIT_PYTHON_GIT_EXECUTABLE` env var to an absolute path. 4: Resolve the executable manually by only looking into the `PATH` environment variable.",
      "id": "GSD-2023-40590",
      "modified": "2023-12-13T01:20:43.857348Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-40590",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitPython",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c= 3.1.32"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "gitpython-developers"
            }
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      "data_format": "MITRE",
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          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-426",
                "lang": "eng",
                "value": "CWE-426: Untrusted Search Path"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4",
            "refsource": "MISC",
            "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4"
          },
          {
            "name": "https://docs.python.org/3/library/subprocess.html#popen-constructor",
            "refsource": "MISC",
            "url": "https://docs.python.org/3/library/subprocess.html#popen-constructor"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-wfm5-v35h-vwf4",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:*",
                "cpe_name": [],
                "versionEndIncluding": "3.1.32",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2023-40590"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": " GitPython is a python library used to interact with Git repositories. When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment. GitPython defaults to use the `git` command, if a user runs GitPython from a repo has a `git.exe` or `git` executable, that program will be run instead of the one in the user\u0027s `PATH`. This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren\u0027t affected by this. But probably people using GitPython usually run it from the CWD of a repo. An attacker can trick a user to download a repository with a malicious `git` executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands. There is no fix currently available for windows users, however there are a few mitigations. 1: Default to an absolute path for the git program on Windows, like `C:\\\\Program Files\\\\Git\\\\cmd\\\\git.EXE` (default git path installation). 2: Require users to set the `GIT_PYTHON_GIT_EXECUTABLE` environment variable on Windows systems. 3: Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the `GIT_PYTHON_GIT_EXECUTABLE` env var to an absolute path. 4: Resolve the executable manually by only looking into the `PATH` environment variable."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-426"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://docs.python.org/3/library/subprocess.html#popen-constructor",
              "refsource": "MISC",
              "tags": [
                "Product"
              ],
              "url": "https://docs.python.org/3/library/subprocess.html#popen-constructor"
            },
            {
              "name": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Mitigation",
                "Vendor Advisory"
              ],
              "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-09-05T20:55Z",
      "publishedDate": "2023-08-28T18:15Z"
    }
  }
}

wid-sec-w-2023-2428

Vulnerability from csaf_certbund

Published

2023-09-21 22:00

Modified

2024-04-02 22:00

Summary

SaltStack Salt: Mehre Schwachstellen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Salt bietet Infrastrukturverwaltung auf der Grundlage eines dynamischen Kommunikationsbusses.

Angriff

Ein Angreifer kann eine Schwachstelle in SaltStack Salt ausnutzen, um beliebigen Programmcode auszuführen.

Betroffene Betriebssysteme

- Linux

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Salt bietet Infrastrukturverwaltung auf der Grundlage eines dynamischen Kommunikationsbusses.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann eine Schwachstelle in SaltStack Salt ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-2428 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2428.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2428 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2428"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0190 vom 2024-01-17",
        "url": "https://access.redhat.com/errata/RHSA-2024:0190"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0215 vom 2024-01-17",
        "url": "https://access.redhat.com/errata/RHSA-2024:0215"
      },
      {
        "category": "external",
        "summary": "Salt Security Advisory vom 2023-09-21",
        "url": "https://docs.saltproject.io/en/3005/topics/releases/3005.3.html"
      },
      {
        "category": "external",
        "summary": "Proof of Concept (PoC) f\u00fcr CVE-2023-40590",
        "url": "https://github.com/advisories/GHSA-wfm5-v35h-vwf4"
      },
      {
        "category": "external",
        "summary": "Proof of Concept (PoC) f\u00fcr CVE-2023-41040",
        "url": "https://github.com/advisories/GHSA-cwvm-v4w8-q58c"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3589 vom 2023-09-29",
        "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00036.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0322 vom 2024-01-22",
        "url": "https://access.redhat.com/errata/RHSA-2024:0322"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-7B78427A7D vom 2023-11-09",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-7b78427a7d"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1640 vom 2024-04-02",
        "url": "https://access.redhat.com/errata/RHSA-2024:1640"
      }
    ],
    "source_lang": "en-US",
    "title": "SaltStack Salt: Mehre Schwachstellen",
    "tracking": {
      "current_release_date": "2024-04-02T22:00:00.000+00:00",
      "generator": {
        "date": "2024-04-03T08:08:01.389+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2428",
      "initial_release_date": "2023-09-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-09-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-01T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-11-08T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2024-01-16T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-22T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-04-02T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.4",
                "product": {
                  "name": "Red Hat Ansible Automation Platform 2.4",
                  "product_id": "1496312",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:ansible_automation_platform:2.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Ansible Automation Platform"
          },
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 17.1",
                "product": {
                  "name": "Red Hat OpenStack \u003c 17.1",
                  "product_id": "T029321",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:openstack:17.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "OpenStack"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "gitpython \u003c 3.1.36",
                "product": {
                  "name": "SaltStack Salt gitpython \u003c 3.1.36",
                  "product_id": "T030045",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:saltstack:salt:gitpython__3.1.36"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Salt"
          }
        ],
        "category": "vendor",
        "name": "SaltStack"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-40590",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in SaltStack Salt. Dieser Fehler besteht in der gitpython Komponente aufgrund eines nicht vertrauensw\u00fcrdigen Suchpfades. Ein entfernter, anonymer Angreifer kann diese Schwachstelle zur Ausf\u00fchrung von beliebigem Code ausnutzen. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion."
        }
      ],
      "product_status": {
        "known_affected": [
          "T029321",
          "2951",
          "67646",
          "1496312",
          "74185"
        ]
      },
      "release_date": "2023-09-21T22:00:00Z",
      "title": "CVE-2023-40590"
    },
    {
      "cve": "CVE-2023-41040",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in SaltStack Salt. Dieser Fehler besteht in der Komponente gitpython aufgrund einer blinden lokalen Dateieinbindung. Ein lokaler Angreifer kann diese Sicherheitsl\u00fccke ausnutzen, um vertrauliche Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T029321",
          "2951",
          "67646",
          "1496312",
          "74185"
        ]
      },
      "release_date": "2023-09-21T22:00:00Z",
      "title": "CVE-2023-41040"
    }
  ]
}

ghsa-wfm5-v35h-vwf4

Vulnerability from github

Published

2023-08-29 23:33

Modified

2023-08-29 23:33

Severity

7.8 (High) - CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

GitPython untrusted search path on Windows systems leading to arbitrary code execution

Details

Summary

When resolving a program, Python/Windows look for the current working directory, and after that the PATH environment (see big warning in https://docs.python.org/3/library/subprocess.html#popen-constructor). GitPython defaults to use the git command, if a user runs GitPython from a repo has a git.exe or git executable, that program will be run instead of the one in the user's PATH.

Details

This is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren't affected by this. But probably people using GitPython usually run it from the CWD of a repo.

The execution of the git command happens in

https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/cmd.py#L277

https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/cmd.py#L983-L996

And there are other commands executed that should probably be aware of this problem.

PoC

On a Windows system, create a git.exe or git executable in any directory, and import or run GitPython from that directory

python -c "import git"

The git executable from the current directory will be run.

Impact

An attacker can trick a user to download a repository with a malicious git executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands.

Possible solutions

Default to an absolute path for the git program on Windows, like C:\\Program Files\\Git\\cmd\\git.EXE (default git path installation).
Require users to set the GIT_PYTHON_GIT_EXECUTABLE environment variable on Windows systems.
Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the GIT_PYTHON_GIT_EXECUTABLE env var to an absolute path.
Resolve the executable manually by only looking into the PATH environment variable (suggested by @Byron)

[!NOTE] This vulnerability was reported via email, and it was decided to publish it here and make it public, so the community is aware of it, and a fix can be provided.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.1.32"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "gitpython"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.33"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-40590"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-426"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-29T23:33:53Z",
    "nvd_published_at": "2023-08-28T18:15:08Z",
    "severity": "HIGH"
  },
  "details": "### Summary\n\nWhen resolving a program, Python/Windows look for the current working directory, and after that the PATH environment (see big warning in https://docs.python.org/3/library/subprocess.html#popen-constructor). GitPython defaults to use the `git` command, if a user runs GitPython from a repo has a `git.exe` or `git` executable, that program will be run instead of the one in the user\u0027s `PATH`.\n\n### Details\n\nThis is more of a problem on how Python interacts with Windows systems, Linux and any other OS aren\u0027t affected by this. But probably people using GitPython usually run it from the CWD of a repo.\n\nThe execution of the `git` command happens in\n\nhttps://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/cmd.py#L277 \n\nhttps://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/cmd.py#L983-L996\n\nAnd there are other commands executed that should probably be aware of this problem.\n\n### PoC\n\nOn a Windows system, create a `git.exe` or `git` executable in any directory, and import or run GitPython from that directory\n\n```\npython -c \"import git\"\n```\n\nThe git executable from the current directory will be run.\n\n### Impact\n\nAn attacker can trick a user to download a repository with a malicious `git` executable, if the user runs/imports GitPython from that directory, it allows the attacker to run any arbitrary commands.\n\n### Possible solutions\n \n- Default to an absolute path for the git program on Windows, like `C:\\\\Program Files\\\\Git\\\\cmd\\\\git.EXE` (default git path installation).\n- Require users to set the `GIT_PYTHON_GIT_EXECUTABLE` environment variable on Windows systems.\n- Make this problem prominent in the documentation and advise users to never run GitPython from an untrusted repo, or set the `GIT_PYTHON_GIT_EXECUTABLE` env var to an absolute path.\n- Resolve the executable manually by only looking into the `PATH` environment variable (suggested by @Byron)\n\n---\n\n\u003e [!NOTE]\n\u003e This vulnerability was reported via email, and it was decided to publish it here and make it public, so the community is aware of it, and a fix can be provided.",
  "id": "GHSA-wfm5-v35h-vwf4",
  "modified": "2023-08-29T23:33:53Z",
  "published": "2023-08-29T23:33:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-wfm5-v35h-vwf4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-40590"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/issues/1635"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/pull/1636"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/commit/8b75434e2c8a082cdeb4971cc6f0ee2bafec45bc"
    },
    {
      "type": "WEB",
      "url": "https://docs.python.org/3/library/subprocess.html#popen-constructor"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gitpython-developers/GitPython"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gitpython-developers/GitPython/releases/tag/3.1.33"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/gitpython/PYSEC-2023-161.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "GitPython untrusted search path on Windows systems leading to arbitrary code execution"
}

Action not permitted

cve-2023-40590

Vulnerability from cvelistv5

pysec-2023-161

Vulnerability from pysec

gsd-2023-40590

Vulnerability from gsd

wid-sec-w-2023-2428

Vulnerability from csaf_certbund

ghsa-wfm5-v35h-vwf4

Vulnerability from github

Summary

Details

PoC

Impact

Possible solutions

Tags