gsd-2021-22870
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.
Aliases
Aliases
CVE-2021-22870


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-22870",
    "description": "A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.",
    "id": "GSD-2021-22870"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-22870"
      ],
      "details": "A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.",
      "id": "GSD-2021-22870",
      "modified": "2023-12-13T01:23:24.695263Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "product-cna@github.com",
        "ID": "CVE-2021-22870",
        "STATE": "PUBLIC",
        "TITLE": "Path traversal in GitHub Enterprise Server hosted Pages leads to unauthorized file read access"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitHub Enterprise Server",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "3.0",
                          "version_value": "3.0.19"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "3.1",
                          "version_value": "3.1.11"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "3.2",
                          "version_value": "3.2.3"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GitHub"
            }
          ]
        }
      },
      "credit": [
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          "lang": "eng",
          "value": "yvvdwf"
        }
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      "data_version": "4.0",
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            "value": "A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-23"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.0.19",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.1.11",
                "versionStartIncluding": "3.1.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.2.3",
                "versionStartIncluding": "3.2.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "product-cna@github.com",
          "ID": "CVE-2021-22870"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19"
            },
            {
              "name": "https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11"
            },
            {
              "name": "https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-11-16T15:06Z",
      "publishedDate": "2021-11-10T02:15Z"
    }
  }
}


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