{ "id": "CVE-2021-24116", "sourceIdentifier": "cve@mitre.org", "published": "2021-07-14T13:15:08.063", "lastModified": "2021-07-22T21:37:05.907", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX." }, { "lang": "es", "value": "En wolfSSL versiones hasta 4.6.0, una vulnerabilidad de canal lateral en la decodificaci\u00f3n de archivos PEM base64 permite a atacantes a nivel de sistema (administrador) obtener informaci\u00f3n sobre claves RSA secretas por medio de un ataque de canal controlado y de canal lateral en el software ejecut\u00e1ndose entornos aislados que pueden ser de un solo paso, especialmente Intel SGX" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.2, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "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-203" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.6.0", "matchCriteriaId": "A0CEE85D-5A48-4975-A1FA-5DB3FE6EB6E5" } ] } ] } ], "references": [ { "url": "https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/wolfSSL/wolfssl/releases", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] } ] }