2 lines
4.3 KiB
JSON
2 lines
4.3 KiB
JSON
{"affected":[{"affectedData":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"source":"cve@mitre.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"6F39D11B-E596-4D1C-AA3A-29C3D33CDC0D","versionEndIncluding":"5.10.8","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[{"sourceIdentifier":"cve@mitre.org","tags":["disputed"]}],"descriptions":[{"lang":"en","value":"fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack; see also the exports(5) no_subtree_check default behavior"},{"lang":"es","value":"** EN DISPUTA ** en el archivo fs/nfsd/nfs3xdr.c en el kernel de Linux versiones hasta 5.10.8, cuando se presenta una exportación NFS de un subdirectorio de un sistema de archivos, permite a atacantes remotos saltar otras partes del sistema de archivos por medio de READDIRPLUS. NOTA: algunas terceros argumentan que tal exportación de subdirectorios no intenta impedir este ataque; véase también el comportamiento predeterminado de no_subtree_check de exports(5)"}],"id":"CVE-2021-3178","lastModified":"2026-06-17T04:04:47.713","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":5.5,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:N","version":"2.0"},"exploitabilityScore":8.0,"impactScore":4.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"exploitabilityScore":1.2,"impactScore":5.2,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-01-19T07:15:13.443","references":[{"source":"cve@mitre.org","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6"},{"source":"cve@mitre.org","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"source":"cve@mitre.org","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SGB7TNDVQEOJ7NVTGX56UWHDNQM5TRC/"},{"source":"cve@mitre.org","url":"https://patchwork.kernel.org/project/linux-nfs/patch/20210111210129.GA11652%40fieldses.org/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51b2ee7d006a736a9126e8111d1f24e4fd0afaa6"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SGB7TNDVQEOJ7NVTGX56UWHDNQM5TRC/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://patchwork.kernel.org/project/linux-nfs/patch/20210111210129.GA11652%40fieldses.org/"}],"sourceIdentifier":"cve@mitre.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-22"}],"source":"nvd@nist.gov","type":"Primary"}]}
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