{ "id": "CVE-2021-3569", "sourceIdentifier": "secalert@redhat.com", "published": "2021-06-03T12:15:07.827", "lastModified": "2022-10-07T20:27:41.583", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability." }, { "lang": "es", "value": "Se ha encontrado un bug de corrupci\u00f3n de pila en libtpms en versiones anteriores a 0.7.2 y versiones anteriores a 0.8.0 al descifrar datos usando RSA. Este fallo podr\u00eda resultar en un SIGBUS (acceso de memoria incorrecto) y la terminaci\u00f3n de swtpm. 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:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "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-120" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.7.2", "matchCriteriaId": "AFABE0C3-6CD9-47A1-BD92-B49DE9F313F1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.7.3", "versionEndExcluding": "0.8.0", "matchCriteriaId": "23256772-50E1-470F-BDF7-849BB8835542" } ] } ] }, { "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" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1964358", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] } ] }