{"id":"CVE-2023-42451","state":"PUBLISHED","title":"Mastodon Invalid Domain Name Normalization vulnerability","description":"Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue.","publishedAt":"2023-09-19T15:56:46.962Z","updatedAt":"2024-09-24T20:36:19.326Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["mastodon mastodon"],"affected":[{"vendor":"mastodon","product":"mastodon","versions":[{"version":"< 3.5.14","status":"affected"},{"version":">= 4.0.0, < 4.0.10","status":"affected"},{"version":">= 4.1.0, < 4.1.8","status":"affected"},{"version":">= 4.2.0-beta1, < 4.2.0-rc2","status":"affected"}]}],"references":["https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667","https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8"],"weaknesses":["CWE-706"],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/42xxx/CVE-2023-42451.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-42451","state":"PUBLISHED","datePublished":"2023-09-19T15:56:46.962Z","dateUpdated":"2024-09-24T20:36:19.326Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-09-08T20:57:45.573Z"},"containers":{"cna":{"title":"Mastodon Invalid Domain Name Normalization vulnerability","descriptions":[{"lang":"en","value":"Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue."}],"affected":[{"vendor":"mastodon","product":"mastodon","versions":[{"version":"< 3.5.14","status":"affected"},{"version":">= 4.0.0, < 4.0.10","status":"affected"},{"version":">= 4.1.0, < 4.1.8","status":"affected"},{"version":">= 4.2.0-beta1, < 4.2.0-rc2","status":"affected"}]}],"references":[{"url":"https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667","name":"https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8","name":"https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-706","lang":"en","description":"CWE-706: Use of Incorrectly-Resolved Name or Reference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-09-19T15:56:46.962Z"},"source":{"advisory":"GHSA-v3xf-c9qf-j667","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667","name":"https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8","name":"https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T19:23:38.773Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-24T20:35:55.298815Z","id":"CVE-2023-42451","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-24T20:36:19.326Z"}}]}}}