fkie_nvd - fkie_cve-2023-23761

fkie_cve-2023-23761

Vulnerability from fkie_nvd

Published

2023-04-07 19:15

Modified

2024-11-21 07:46

Severity ?

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

Summary

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

References

URL	Tags
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8	Release Notes
product-cna@github.com	https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1	Release Notes

Impacted products

Vendor	Product	Version
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	*
github	enterprise_server	3.8.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D30FF55B-C5FA-431A-8E0C-7FCB872AD8DC",
              "versionEndExcluding": "3.4.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6A66A3A-E2CB-4B7B-BB28-FD81D8A81F9C",
              "versionEndExcluding": "3.5.15",
              "versionStartIncluding": "3.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A4C79CD6-3EA8-470D-8E35-EF53450F063B",
              "versionEndExcluding": "3.6.11",
              "versionStartIncluding": "3.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "75E3B814-6517-4938-917D-7098FF49E301",
              "versionEndExcluding": "3.7.8",
              "versionStartIncluding": "3.7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:3.8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "952A51A6-A24C-4989-9941-FE62E21C505D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users\u0027 secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist\u0027s URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program."
    }
  ],
  "id": "CVE-2023-23761",
  "lastModified": "2024-11-21T07:46:46.920",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 5.8,
        "source": "product-cna@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-04-07T19:15:06.980",
  "references": [
    {
      "source": "product-cna@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
    }
  ],
  "sourceIdentifier": "product-cna@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "product-cna@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

cve-2023-23761

Vulnerability from cvelistv5

Published

2023-04-07 18:41

Modified

2025-02-07 20:14

Severity ?

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

Summary

References

▼	URL	Tags
	https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1
	https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8
	https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11
	https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15
	https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18

Impacted products

	Vendor	Product	Version
	GitHub	Enterprise Server	Version: 3.4.0 ≤ 3.4.17 Version: 3.5.0 ≤ 3.5.14 Version: 3.6.0 ≤ 3.6.10 Version: 3.7.0 ≤ 3.7.7 Version: 3.8.0 ≤

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:42:26.151Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-23761",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-07T20:14:19.322772Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-07T20:14:26.121Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Enterprise Server",
          "vendor": "GitHub",
          "versions": [
            {
              "changes": [
                {
                  "at": "3.4.18",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "3.4.17",
              "status": "affected",
              "version": "3.4.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "3.5.15",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "3.5.14",
              "status": "affected",
              "version": "3.5.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "3.6.11",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "3.6.10",
              "status": "affected",
              "version": "3.6.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "3.7.8",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "3.7.7",
              "status": "affected",
              "version": "3.7.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "3.8.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "3.8.1",
              "status": "affected",
              "version": "3.8.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "3.9.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users\u0027 secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0027\u003c/span\u003es URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program."
            }
          ],
          "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users\u0027 secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist\u0027s URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-114",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-114 Authentication Abuse"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-18T15:00:56.300Z",
        "orgId": "82327ea3-741d-41e4-88f8-2cf9e791e760",
        "shortName": "GitHub_P"
      },
      "references": [
        {
          "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1"
        },
        {
          "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8"
        },
        {
          "url": "https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11"
        },
        {
          "url": "https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15"
        },
        {
          "url": "https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Improper authentication vulnerability in GitHub Enterprise Server leading to modification of secret gists",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "82327ea3-741d-41e4-88f8-2cf9e791e760",
    "assignerShortName": "GitHub_P",
    "cveId": "CVE-2023-23761",
    "datePublished": "2023-04-07T18:41:47.038Z",
    "dateReserved": "2023-01-17T20:40:37.553Z",
    "dateUpdated": "2025-02-07T20:14:26.121Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted