gsd-2020-12279
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.
Aliases
Aliases
CVE-2020-12279


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12279",
    "description": "An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.",
    "id": "GSD-2020-12279"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12279"
      ],
      "details": "An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.",
      "id": "GSD-2020-12279",
      "modified": "2023-12-13T01:21:49.334505Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12279",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
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          }
        ]
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      "problemtype": {
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0",
            "refsource": "MISC",
            "url": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0"
          },
          {
            "name": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4",
            "refsource": "MISC",
            "url": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4"
          },
          {
            "name": "https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v",
            "refsource": "MISC",
            "url": "https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v"
          },
          {
            "name": "https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4",
            "refsource": "MISC",
            "url": "https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4"
          },
          {
            "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
          },
          {
            "name": "[debian-lts-announce] 20230223 [SECURITY] [DLA 3340-1] libgit2 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c0.28.4",
          "affected_versions": "All versions before 0.28.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "An issue was discovered in libgit2 `checkout.c` mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository.",
          "fixed_versions": [
            "0.28.4"
          ],
          "identifier": "CVE-2020-12279",
          "identifiers": [
            "CVE-2020-12279",
            "GHSA-589j-mmg9-733v"
          ],
          "not_impacted": "All versions starting from 0.28.4",
          "package_slug": "conan/libgit2",
          "pubdate": "2020-04-27",
          "solution": "Upgrade to version 0.28.4 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-12279"
          ],
          "uuid": "3d5b6bb5-7a75-47ab-ba9c-50eeb00e4bed"
        },
        {
          "affected_range": "\u003c0.28.4",
          "affected_versions": "All versions before 0.28.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
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            "CWE-20",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "An issue was discovered in libgit2, which is used by rugged gem: `checkout.c` mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository.",
          "fixed_versions": [
            "0.28.4"
          ],
          "identifier": "CVE-2020-12279",
          "identifiers": [
            "CVE-2020-12279",
            "GHSA-589j-mmg9-733v"
          ],
          "not_impacted": "All versions starting from 0.28.4",
          "package_slug": "gem/rugged",
          "pubdate": "2020-04-27",
          "solution": "Upgrade to version 0.28.4 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-12279"
          ],
          "uuid": "1b8ad7a3-5189-4978-8a5f-0ac53e4e36dc"
        },
        {
          "affected_range": "\u003c1.1.0",
          "affected_versions": "All versions before 1.1.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "An issue was discovered in libgit2, which is used by pygit2 package: `checkout.c` mishandles equivalent filenames that exist because of NTFS short names.",
          "fixed_versions": [
            "1.1.0"
          ],
          "identifier": "CVE-2020-12279",
          "identifiers": [
            "CVE-2020-12279",
            "GHSA-589j-mmg9-733v"
          ],
          "not_impacted": "All versions starting from 1.1.0",
          "package_slug": "pypi/pygit2",
          "pubdate": "2020-04-27",
          "solution": "Upgrade to version 1.1.0 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-12279"
          ],
          "uuid": "d6ef4c74-a1c7-41d7-bb7a-fb234aa20dc5"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.28.4",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
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      },
      "cve": {
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          "ID": "CVE-2020-12279"
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        "description": {
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              "value": "An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-706"
                }
              ]
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4"
            },
            {
              "name": "https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4",
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              "url": "https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4"
            },
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              "name": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0"
            },
            {
              "name": "https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v"
            },
            {
              "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
              "refsource": "MLIST",
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              "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
            },
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              "name": "[debian-lts-announce] 20230223 [SECURITY] [DLA 3340-1] libgit2 security update",
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              "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-02-24T00:15Z",
      "publishedDate": "2020-04-27T17:15Z"
    }
  }
}


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