github - ghsa-cqvh-4wv3-g3cj

GHSA-CQVH-4WV3-G3CJ

Vulnerability from github – Published: 2023-12-01 09:30 – Updated: 2023-12-01 09:30

Details

An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.

Severity ?

4.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4912"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-12-01T07:15:11Z",
    "severity": "MODERATE"
  },
  "details": "An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.",
  "id": "GHSA-cqvh-4wv3-g3cj",
  "modified": "2023-12-01T09:30:44Z",
  "published": "2023-12-01T09:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4912"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/2137421"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-4912 (GCVE-0-2023-4912)

Vulnerability from cvelistv5 – Published: 2023-12-01 07:01 – Updated: 2025-11-20 04:10

Summary

Severity ?

2.6 (Low)


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

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitLab

References

URL

Tags

	https://gitlab.com/gitlab-org/gitlab/-/issues/424882	issue-tracking
	https://hackerone.com/reports/2137421	technical-descriptionexploitpermissions-required

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Affected: 10.5 , < 16.4.3 (semver) Affected: 16.5 , < 16.5.3 (semver) Affected: 16.6 , < 16.6.1 (semver) cpe:2.3:a:gitlab:gitlab::::::::

Credits

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

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:44:52.047Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GitLab Issue #424882",
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882"
          },
          {
            "name": "HackerOne Bug Bounty Report #2137421",
            "tags": [
              "technical-description",
              "exploit",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2137421"
          }
        ],
        "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": "16.4.3",
              "status": "affected",
              "version": "10.5",
              "versionType": "semver"
            },
            {
              "lessThan": "16.5.3",
              "status": "affected",
              "version": "16.5",
              "versionType": "semver"
            },
            {
              "lessThan": "16.6.1",
              "status": "affected",
              "version": "16.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [toukakirishima](https://hackerone.com/toukakirishima) 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 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 2.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-20T04:10:08.280Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #424882",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882"
        },
        {
          "name": "HackerOne Bug Bounty Report #2137421",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/2137421"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above."
        }
      ],
      "title": "Allocation of Resources Without Limits or Throttling in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2023-4912",
    "datePublished": "2023-12-01T07:01:48.155Z",
    "dateReserved": "2023-09-12T13:30:21.852Z",
    "dateUpdated": "2025-11-20T04:10:08.280Z",
    "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-CQVH-4WV3-G3CJ

CVE-2023-4912 (GCVE-0-2023-4912)

Tags

Sightings

Nomenclature