{"id":"CVE-2023-2198","state":"PUBLISHED","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.","publishedAt":"2023-06-07T00:00:00.000Z","updatedAt":"2025-01-07T16:46:54.703Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","versions":[{"version":">=8.7, <15.10.8","status":"affected"},{"version":">=15.11, <15.11.7","status":"affected"},{"version":">=16.0, <16.0.2","status":"affected"}]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/408273","https://hackerone.com/reports/1947187","https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/2xxx/CVE-2023-2198.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-2198","state":"PUBLISHED","datePublished":"2023-06-07T00:00:00.000Z","dateUpdated":"2025-01-07T16:46:54.703Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2023-04-20T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint."}],"affected":[{"vendor":"GitLab","product":"GitLab","versions":[{"version":">=8.7, <15.10.8","status":"affected"},{"version":">=15.11, <15.11.7","status":"affected"},{"version":">=16.0, <16.0.2","status":"affected"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/408273"},{"url":"https://hackerone.com/reports/1947187"},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Uncontrolled resource consumption in GitLab"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2023-06-07T00:00:00.000Z"},"credits":[{"lang":"en","value":"Thanks [ryhmnlfj](https://hackerone.com/ryhmnlfj) for reporting this vulnerability through our HackerOne bug bounty program"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/408273","tags":["x_transferred"]},{"url":"https://hackerone.com/reports/1947187","tags":["x_transferred"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T06:12:20.673Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/408273","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-07T16:46:50.392119Z","id":"CVE-2023-2198","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","type":"CWE","lang":"en","description":"CWE-1333 Inefficient Regular Expression Complexity"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-01-07T16:46:54.703Z"}}]}}}