Vulnerability-Lookup

GHSA-3M8P-28CP-6CG5

Vulnerability from github – Published: 2023-09-01 12:30 – Updated: 2024-04-04 07:21

Details

An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2023-3915"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-279",
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-09-01T11:15:42Z",
    "severity": "HIGH"
  },
  "details": "An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.",
  "id": "GHSA-3m8p-28cp-6cg5",
  "modified": "2024-04-04T07:21:23Z",
  "published": "2023-09-01T12:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3915"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/2040834"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/417664"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-3915 (GCVE-0-2023-3915)

Vulnerability from cvelistv5 – Published: 2023-09-01 10:01 – Updated: 2025-11-20 04:08

Title

Incorrect Execution-Assigned Permissions in GitLab

Summary

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-279 - Incorrect Execution-Assigned Permissions

Assigner

GitLab

References

URL

Tags

	https://gitlab.com/gitlab-org/gitlab/-/issues/417664	issue-tracking
	https://hackerone.com/reports/2040834	technical-descriptionexploitpermissions-required

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Affected: 16.1 , < 16.1.5 (semver) Affected: 16.2 , < 16.2.5 (semver) Affected: 16.3 , < 16.3.1 (semver) cpe:2.3:a:gitlab:gitlab::::::::

Credits

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-3915",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-24T13:59:46.729499Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-24T14:00:10.947Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:08:50.788Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GitLab Issue #417664",
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/417664"
          },
          {
            "name": "HackerOne Bug Bounty Report #2040834",
            "tags": [
              "technical-description",
              "exploit",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2040834"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "16.1.5",
              "status": "affected",
              "version": "16.1",
              "versionType": "semver"
            },
            {
              "lessThan": "16.2.5",
              "status": "affected",
              "version": "16.2",
              "versionType": "semver"
            },
            {
              "lessThan": "16.3.1",
              "status": "affected",
              "version": "16.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-279",
              "description": "CWE-279: Incorrect Execution-Assigned Permissions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-20T04:08:38.257Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #417664",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/417664"
        },
        {
          "name": "HackerOne Bug Bounty Report #2040834",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/2040834"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 16.1.5, 16.2.5, 16.3.1 or above."
        }
      ],
      "title": "Incorrect Execution-Assigned Permissions in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2023-3915",
    "datePublished": "2023-09-01T10:01:16.853Z",
    "dateReserved": "2023-07-25T10:30:31.836Z",
    "dateUpdated": "2025-11-20T04:08:38.257Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-3M8P-28CP-6CG5

CVE-2023-3915 (GCVE-0-2023-3915)

Tags

Sightings

Nomenclature