2 lines
4.7 KiB
JSON
2 lines
4.7 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":"56274F09-9AD1-471A-8663-69116F7C8615","versionEndIncluding":"4.9.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-7097."},{"lang":"es","value":"La función simple_set_acl en fs/posix_acl.c en el kernel de Linux en versiones anteriores a 4.9.6 preserva el bit setgid durante una llamada setxattr que implica un sistema de archivos tmpfs, lo que permite a usuarios locales obtener privilegios de grupo aprovechando la existencia de un programa setgid con restricciones sobre los permisos de ejecución. NOTA: esta vulnerabilidad existe debido a una solución incompleta para CVE-2016-7097."}],"id":"CVE-2017-5551","lastModified":"2026-06-17T01:20:44.037","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"LOW","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"NONE","baseScore":3.6,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:N","version":"2.0"},"exploitabilityScore":3.9,"impactScore":4.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.0"},"exploitabilityScore":1.8,"impactScore":2.5,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2017-02-06T06:59:00.717","references":[{"source":"cve@mitre.org","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31"},{"source":"cve@mitre.org","url":"http://www.debian.org/security/2017/dsa-3791"},{"source":"cve@mitre.org","tags":["Release Notes","Vendor Advisory"],"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6"},{"source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2017/01/21/3"},{"source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/95717"},{"source":"cve@mitre.org","url":"http://www.securitytracker.com/id/1038053"},{"source":"cve@mitre.org","tags":["Issue Tracking","Patch"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1416126"},{"source":"cve@mitre.org","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/497de07d89c1410d76a15bec2bb41f24a2a89f31"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"http://www.debian.org/security/2017/dsa-3791"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"],"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2017/01/21/3"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/95717"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"http://www.securitytracker.com/id/1038053"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1416126"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/497de07d89c1410d76a15bec2bb41f24a2a89f31"}],"sourceIdentifier":"cve@mitre.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}
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