cve-2021-22862
Vulnerability from cvelistv5
Published
2021-03-03 03:25
Modified
2024-08-03 18:51
Severity ?
Summary
Improper access control in GitHub Enterprise Server leading to the disclosure of Actions secrets to forks
References
product-cna@github.comhttps://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1
Impacted products
GitHubGitHub Enterprise Server
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:51:07.479Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GitHub Enterprise Server",
          "vendor": "GitHub",
          "versions": [
            {
              "lessThan": "3.0.1",
              "status": "affected",
              "version": "3.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Teddy Katz"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-03T03:25:22",
        "orgId": "82327ea3-741d-41e4-88f8-2cf9e791e760",
        "shortName": "GitHub_P"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Improper access control in GitHub Enterprise Server leading to the disclosure of Actions secrets to forks",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "product-cna@github.com",
          "ID": "CVE-2021-22862",
          "STATE": "PUBLIC",
          "TITLE": "Improper access control in GitHub Enterprise Server leading to the disclosure of Actions secrets to forks"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "GitHub Enterprise Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "3.0",
                            "version_value": "3.0.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "GitHub"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Teddy Katz"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-285: Improper Authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.1",
              "refsource": "MISC",
              "url": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.1"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "82327ea3-741d-41e4-88f8-2cf9e791e760",
    "assignerShortName": "GitHub_P",
    "cveId": "CVE-2021-22862",
    "datePublished": "2021-03-03T03:25:22",
    "dateReserved": "2021-01-06T00:00:00",
    "dateUpdated": "2024-08-03T18:51:07.479Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-22862\",\"sourceIdentifier\":\"product-cna@github.com\",\"published\":\"2021-03-03T04:15:13.163\",\"lastModified\":\"2023-11-07T03:30:26.363\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program.\"},{\"lang\":\"es\",\"value\":\"Se identific\u00f3 una vulnerabilidad de control de acceso inadecuada en GitHub Enterprise Server que permit\u00eda a un usuario autenticado con la capacidad de bifurcar un repositorio revelar los secretos de las acciones para el repositorio padre de la bifurcaci\u00f3n. Esta vulnerabilidad exist\u00eda debido a un fallo que permit\u00eda actualizar la referencia base de un pull request para que apuntara a un SHA arbitrario o a otro pull request fuera del repositorio fork. Al establecer esta referencia incorrecta en un PR, las restricciones que limitan las Acciones secretas enviadas a un flujo de trabajo desde los forks pod\u00edan ser eludidas. Esta vulnerabilidad afectaba a las versiones 3.0.0, 3.0.0.rc2 y 3.0.0.rc1 de GitHub Enterprise Server. Esta vulnerabilidad fue reportada a trav\u00e9s del programa GitHub Bug Bounty\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]},{\"source\":\"product-cna@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:github:github:3.0.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"61ABB5BF-C578-403B-8EF9-A28274F486FF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:github:github:3.0.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"634A0A6C-0F17-4DE2-B2D1-C3B0C5C8EDD6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:github:github:3.0.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"0FA74C51-5AB4-4B23-B24B-5629736B17E1\"}]}]}],\"references\":[{\"url\":\"https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1\",\"source\":\"product-cna@github.com\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.