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GSD-2023-6840

Vulnerability from gsd - Updated: 2023-12-16 06:01
Details
An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.
Aliases

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6840"
      ],
      "details": "An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.",
      "id": "GSD-2023-6840",
      "modified": "2023-12-16T06:01:29.671465Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@gitlab.com",
        "ID": "CVE-2023-6840",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitLab",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "16.4",
                          "version_value": "16.6.7"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "16.7",
                          "version_value": "16.7.5"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "16.8",
                          "version_value": "16.8.2"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GitLab"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Thanks [js_noob](https://hackerone.com/js_noob) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-284",
                "lang": "eng",
                "value": "CWE-284: Improper Access Control"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/435500",
            "refsource": "MISC",
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/435500"
          },
          {
            "name": "https://hackerone.com/reports/2280292",
            "refsource": "MISC",
            "url": "https://hackerone.com/reports/2280292"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "value": "Upgrade to versions 16.8.2, 16.7.5, 16.6.7 or above."
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "5A1A9E0E-DFC2-4567-9218-6F7B9FE56F34",
                    "versionEndExcluding": "16.6.7",
                    "versionStartIncluding": "16.4.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "8ECA9350-B77B-41F6-B234-72BF47FD50E7",
                    "versionEndExcluding": "16.7.5",
                    "versionStartIncluding": "16.7.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "FDA190F8-0AAA-44DF-8A6B-A9A4380D478C",
                    "versionEndExcluding": "16.8.2",
                    "versionStartIncluding": "16.8.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR."
          },
          {
            "lang": "es",
            "value": "Se ha descubierto un problema en GitLab EE que afecta a todas las versiones desde 16.4 anterior a 16.6.7, 16.7 anterior a 16.7.5 y 16.8 anterior a 16.8.2 lo que permite a un fabricante cambiar el nombre de una rama protegida que omite la pol\u00edtica de seguridad agregada para bloquear MR."
          }
        ],
        "id": "CVE-2023-6840",
        "lastModified": "2024-03-04T20:52:05.890",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.2,
              "impactScore": 5.5,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.2,
              "impactScore": 5.5,
              "source": "cve@gitlab.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-07T22:15:09.500",
        "references": [
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Issue Tracking",
              "Permissions Required"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/435500"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Permissions Required",
              "Technical Description"
            ],
            "url": "https://hackerone.com/reports/2280292"
          }
        ],
        "sourceIdentifier": "cve@gitlab.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "cve@gitlab.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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