{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-38700", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-07-24T16:19:28.365Z", "datePublished": "2023-08-04T18:05:43.187Z", "dateUpdated": "2023-08-04T18:05:43.187Z"}, "containers": {"cna": {"title": "matrix-appservice-irc events can be crafted to leak parts of targeted messages from other bridged rooms", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-c7hh-3v6c-fj4q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-c7hh-3v6c-fj4q"}, {"name": "https://github.com/matrix-org/matrix-appservice-irc/commit/8bbd2b69a16cbcbeffdd9b5c973fd89d61498d75", "tags": ["x_refsource_MISC"], "url": "https://github.com/matrix-org/matrix-appservice-irc/commit/8bbd2b69a16cbcbeffdd9b5c973fd89d61498d75"}, {"name": "https://github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1"}], "affected": [{"vendor": "matrix-org", "product": "matrix-appservice-irc", "versions": [{"version": "< 1.0.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-08-04T18:05:43.187Z"}, "descriptions": [{"lang": "en", "value": "matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target. Version 1.0.1n fixes this issue. As a workaround, set the `matrixHandler.eventCacheSize` config value to `0`. This workaround may impact performance."}], "source": {"advisory": "GHSA-c7hh-3v6c-fj4q", "discovery": "UNKNOWN"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "5E1ADA6C-5E11-43D2-B9D7-8357036D8621", "versionEndExcluding": "1.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target. Version 1.0.1n fixes this issue. As a workaround, set the `matrixHandler.eventCacheSize` config value to `0`. This workaround may impact performance."}, {"lang": "es", "value": "matrix-appservice-irc es un puente IRC Node.js para Matrix. Antes de la versi\u00f3n 1.0.1, era posible crear un evento de forma que filtrara parte de un evento de mensaje objetivo de otra sala puenteada. Esto requer\u00eda conocer un ID de evento al que apuntar. La versi\u00f3n 1.0.1n corrige este problema. Como soluci\u00f3n, establezca el valor de configuraci\u00f3n `matrixHandler.eventCacheSize` a `0`. Esta soluci\u00f3n puede afectar al rendimiento.\n"}], "id": "CVE-2023-38700", "lastModified": "2023-08-11T18:58:44.057", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2023-08-04T19:15:09.697", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/matrix-org/matrix-appservice-irc/commit/8bbd2b69a16cbcbeffdd9b5c973fd89d61498d75"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-c7hh-3v6c-fj4q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}