{ "id": "CVE-2021-3623", "sourceIdentifier": "secalert@redhat.com", "published": "2022-03-02T23:15:08.623", "lastModified": "2022-11-29T16:57:27.923", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability." }, { "lang": "es", "value": "Se ha encontrado un fallo en libtpms. El fallo puede ser desencadenado por paquetes de comandos TPM 2 especialmente dise\u00f1ados que contengan valores ilegales y puede conllevar a un acceso fuera de l\u00edmites cuando el estado vol\u00e1til del TPM 2 es marshalled/written o unmarshalled/read. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 4.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.6 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.6.5", "matchCriteriaId": "C3C197C5-7736-4A8E-B7A2-2DFE99DB50B1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.7.0", "versionEndExcluding": "0.7.8", "matchCriteriaId": "1B9B0605-529C-43AB-8012-9838EDAE68BA" }, { "vulnerable": true, "criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.8.0", "versionEndExcluding": "0.8.4", "matchCriteriaId": "0041D79D-7D5A-45F0-B24C-6EBCC6C56855" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*", "matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1976806", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/stefanberger/libtpms/commit/2e6173c", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/stefanberger/libtpms/commit/2f30d62", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/stefanberger/libtpms/commit/7981d9a", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/stefanberger/libtpms/pull/223", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }