CVE-2020-24863

{"id": "CVE-2020-24863", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-09-03T15:15:11.520", "references": [{"url": "http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.midnightbsd.org/notes/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de corrupci\u00f3n de memoria en la funci\u00f3n del kernel kern_getfsstat en MidnightBSD versiones anteriores a 1.2.7 y versiones 1.3 hasta el19-08-2020, y FreeBSD versiones hasta 11.4, que permite a un atacante desencadenar una liberaci\u00f3n no v\u00e1lida y bloquear el sistema por medio de un valor de tama\u00f1o dise\u00f1ado en conjunto con un modo no v\u00e1lido"}], "lastModified": "2020-09-11T14:03:48.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "360E6FE9-63B9-43CB-B559-B5D21661B6C8", "versionEndExcluding": "1.2.7"}, {"criteria": "cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "45E97C30-01B2-49EC-992D-6FED17D48BFB", "versionEndIncluding": "2020-08-19", "versionStartIncluding": "1.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA28C915-6E92-4F28-9F28-AAF9E5A208C0", "versionEndIncluding": "11.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}