{"id":"CVE-2023-5969","state":"PUBLISHED","title":"Denial of Service via Link Preview in /api/v4/redirect_location","description":"Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.\n\n","publishedAt":"2023-11-06T15:48:23.590Z","updatedAt":"2024-09-17T13:07:28.847Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.8.11","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.0.3","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.1.2","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"9.0.0","versionType":"semver"},{"version":"7.8.12","status":"unaffected"},{"version":"8.0.4","status":"unaffected"},{"version":"8.1.3","status":"unaffected"},{"version":"9.0.1","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/5xxx/CVE-2023-5969.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-5969","state":"PUBLISHED","datePublished":"2023-11-06T15:48:23.590Z","dateUpdated":"2024-09-17T13:07:28.847Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2023-11-06T15:45:39.602Z"},"containers":{"cna":{"title":" Denial of Service via Link Preview in /api/v4/redirect_location","descriptions":[{"lang":"en","value":"Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.\n\n"}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.8.11","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.0.3","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.1.2","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"9.0.0","versionType":"semver"},{"version":"7.8.12","status":"unaffected"},{"version":"8.0.4","status":"unaffected"},{"version":"8.1.3","status":"unaffected"},{"version":"9.0.1","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2023-11-06T15:48:23.590Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"vultza (vultza)"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost Server to versions 7.8.12, 8.0.4, 8.1.3, 9.0.1 or higher.</p>"}],"value":"Update Mattermost Server to versions 7.8.12, 8.0.4, 8.1.3, 9.0.1 or higher.\n\n"}],"source":{"advisory":"MMSA-2023-00240","defect":["https://mattermost.atlassian.net/browse/MM-54218"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://mattermost.com/security-updates","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:14:25.131Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-04T13:21:56.442988Z","id":"CVE-2023-5969","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-17T13:07:28.847Z"}}]}}}