{ "id": "CVE-2021-45450", "sourceIdentifier": "cve@mitre.org", "published": "2021-12-21T07:15:06.727", "lastModified": "2023-07-20T12:52:30.400", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application." }, { "lang": "es", "value": "En Mbed TLS versiones anteriores a 2.28.0 y 3.x versiones anteriores a 3.1.0, las funciones psa_cipher_generate_iv y psa_cipher_encrypt permiten omitir la pol\u00edtica o el descifrado basado en or\u00e1culos cuando el b\u00fafer de salida es encontrado en ubicaciones de memoria accesibles para una aplicaci\u00f3n no confiable" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "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-327" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.22.0", "versionEndExcluding": "2.28.0", "matchCriteriaId": "E2B9B165-D661-4EED-95DD-4F470F9F3B83" }, { "vulnerable": true, "criteria": "cpe:2.3:a:arm:mbed_tls:3.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "C6051CC9-0DB4-4282-8019-5C82A4DD2609" }, { "vulnerable": true, "criteria": "cpe:2.3:a:arm:mbed_tls:3.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "8D3DD74F-711E-44D1-9844-56FE73252E85" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD" }, { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D" } ] } ] } ], "references": [ { "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202301-08", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }