CVE-2021-41581

{"id": "CVE-2021-41581", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-09-24T03:15:06.567", "references": [{"url": "https://github.com/libressl-portable/openbsd/issues/126", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\\0' termination."}, {"lang": "es", "value": "La funci\u00f3n x509_constraints_parse_mailbox en el archivo lib/libcrypto/x509/x509_constraints.c en LibreSSL versiones hasta 3.4.0, presenta una lectura excesiva del b\u00fafer en la regi\u00f3n stack de la memoria. Cuando la entrada excede DOMAIN_PART_MAX_LEN, el b\u00fafer carece de terminaci\u00f3n \"\\0\"."}], "lastModified": "2021-09-29T21:35:54.177", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "153E3E43-4F67-4598-A1BF-C8AEF4A3E5B9", "versionEndIncluding": "3.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}