{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-43656", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-09-20T15:35:38.147Z", "datePublished": "2023-09-27T20:38:57.460Z", "dateUpdated": "2024-09-20T19:44:13.133Z"}, "containers": {"cna": {"title": "Sandbox escape for instances that have enabled transformation functions in matrix-hookshot", "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "lang": "en", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6"}, {"name": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894", "tags": ["x_refsource_MISC"], "url": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894"}], "affected": [{"vendor": "matrix-org", "product": "matrix-hookshot", "versions": [{"version": "< 4.5.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-09-27T20:38:57.460Z"}, "descriptions": [{"lang": "en", "value": "matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions (those that have `generic.allowJsTransformationFunctions` in their config), may be vulnerable to an attack where it is possible to break out of the `vm2` sandbox and as a result Hookshot will be vulnerable to this. This problem is only likely to affect users who have allowed untrusted users to apply their own transformation functions. If you have only enabled a limited set of trusted users, this threat is reduced (though not eliminated). Version 4.5.0 and above of hookshot include a new sandbox library which should better protect users. Users are advised to upgrade. Users unable to upgrade should disable `generic.allowJsTransformationFunctions` in the config."}], "source": {"advisory": "GHSA-fr97-pv6w-4cj6", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T19:44:43.844Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6"}, {"name": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-20T17:55:19.902065Z", "id": "CVE-2023-43656", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-20T19:44:13.133Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:matrix:hookshot:*:*:*:*:*:*:*:*", "matchCriteriaId": "3DD3E619-C694-4791-81D9-DB823DA5BEDA", "versionEndExcluding": "4.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions (those that have `generic.allowJsTransformationFunctions` in their config), may be vulnerable to an attack where it is possible to break out of the `vm2` sandbox and as a result Hookshot will be vulnerable to this. This problem is only likely to affect users who have allowed untrusted users to apply their own transformation functions. If you have only enabled a limited set of trusted users, this threat is reduced (though not eliminated). Version 4.5.0 and above of hookshot include a new sandbox library which should better protect users. Users are advised to upgrade. Users unable to upgrade should disable `generic.allowJsTransformationFunctions` in the config."}, {"lang": "es", "value": "Matrix-hookshot es un bot de Matrix para conectarse a servicios externos como GitHub, GitLab, JIRA y m\u00e1s. Las instancias que tienen funciones de transformaci\u00f3n habilitadas (aquellas que tienen `generic.allowJsTransformationFunctions` en su configuraci\u00f3n) pueden ser vulnerables a un ataque en el que es posible salir del entorno limitado de `vm2` y, como resultado, Hookshot ser\u00e1 vulnerable a esto. Es probable que este problema solo afecte a los usuarios que han permitido que usuarios que no son de confianza apliquen sus propias funciones de transformaci\u00f3n. Si solo ha habilitado un conjunto limitado de usuarios confiables, esta amenaza se reduce (aunque no se elimina). La versi\u00f3n 4.5.0 y superiores de hookshot incluyen una nueva biblioteca sandbox que deber\u00eda proteger mejor a los usuarios. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben desactivar `generic.allowJsTransformationFunctions` en la configuraci\u00f3n."}], "id": "CVE-2023-43656", "lastModified": "2024-11-21T08:24:33.447", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 3.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-09-27T21:15:10.443", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/matrix-org/matrix-hookshot/commit/dc126afa6af86d66aefcd23a825326f405bcc894"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-fr97-pv6w-4cj6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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