{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-2446", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2024-03-14T12:09:07.848Z", "datePublished": "2024-03-15T09:11:21.446Z", "dateUpdated": "2024-06-04T17:29:50.343Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "9.4.2", "status": "affected", "version": "9.4.0", "versionType": "semver"}, {"lessThanOrEqual": "9.3.1", "status": "affected", "version": "9.3.0", "versionType": "semver"}, {"lessThanOrEqual": "9.2.5", "status": "affected", "version": "9.2.0", "versionType": "semver"}, {"lessThanOrEqual": "8.1.9", "status": "affected", "version": "8.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "9.5.0"}, {"status": "unaffected", "version": "9.4.3"}, {"status": "unaffected", "version": "9.3.2"}, {"status": "unaffected", "version": "9.2.6"}, {"status": "unaffected", "version": "8.1.10"}]}], "credits": [{"lang": "en", "type": "finder", "value": "vultza (vultza)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.</p>"}], "value": "Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/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": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2024-03-15T09:11:21.446Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost Server to versions 9.5, 9.4.3, 9.3.2, 9.2.6, 8.1.10 or higher.</p>"}], "value": "Update Mattermost Server to versions 9.5, 9.4.3, 9.3.2, 9.2.6, 8.1.10 or higher.\n\n"}], "source": {"advisory": "MMSA-2024-00296", "defect": ["https://mattermost.atlassian.net/browse/MM-56372"], "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-2446", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-15T17:53:09.280852Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:29:50.343Z"}}]}}

{"descriptions": [{"lang": "en", "value": "Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.\n\n"}, {"lang": "es", "value": "Las versiones de Mattermost 8.1.x anteriores a 8.1.10, 9.2.x anteriores a 9.2.6, 9.3.x anteriores a 9.3.2 y 9.4.x anteriores a 9.4.3 no limitan el n\u00famero de @menciones procesadas por mensaje, lo que permite un atacante autenticado para bloquear las aplicaciones cliente de otros usuarios a trav\u00e9s de mensajes grandes y elaborados"}], "id": "CVE-2024-2446", "lastModified": "2024-03-15T12:53:06.423", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2024-03-15T10:15:08.230", "references": [{"source": "responsibledisclosure@mattermost.com", "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

{}