fkie_cve-2020-24863
Vulnerability from fkie_nvd
Published
2020-09-03 15:15
Modified
2024-11-21 05:16
Severity ?
Summary
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.
References
▶ | URL | Tags | |
---|---|---|---|
cve@mitre.org | http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt | Exploit, Vendor Advisory | |
cve@mitre.org | https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c | Exploit, Third Party Advisory | |
cve@mitre.org | https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc | Patch, Vendor Advisory | |
cve@mitre.org | https://www.midnightbsd.org/notes/ | Release Notes, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt | Exploit, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c | Exploit, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc | Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.midnightbsd.org/notes/ | Release Notes, Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
midnightbsd | midnightbsd | * | |
midnightbsd | midnightbsd | * | |
freebsd | freebsd | * |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "360E6FE9-63B9-43CB-B559-B5D21661B6C8", "versionEndExcluding": "1.2.7", "vulnerable": true }, { "criteria": "cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "45E97C30-01B2-49EC-992D-6FED17D48BFB", "versionEndIncluding": "2020-08-19", "versionStartIncluding": "1.3", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA28C915-6E92-4F28-9F28-AAF9E5A208C0", "versionEndIncluding": "11.4", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "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" } ], "id": "CVE-2020-24863", "lastModified": "2024-11-21T05:16:08.933", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2020-09-03T15:15:11.520", "references": [ { "source": "cve@mitre.org", "tags": [ "Exploit", "Vendor Advisory" ], "url": "http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc" }, { "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://www.midnightbsd.org/notes/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Vendor Advisory" ], "url": "http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://www.midnightbsd.org/notes/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-787" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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