2 lines
5.3 KiB
JSON
2 lines
5.3 KiB
JSON
{"affected":[{"affectedData":[{"collectionURL":"https://github.com/canonical","defaultStatus":"unaffected","packageName":"snapd","repo":"https://github.com/canonical/snapd/","versions":[{"lessThan":"2.75.1","status":"affected","version":"0","versionType":"semver"}]},{"collectionURL":"https://launchpad.net/ubuntu/xenial","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 16.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"lessThan":"*","status":"unaffected","version":"2.61.4ubuntu0.16.04.1+esm2","versionType":"dpkg"}]},{"collectionURL":"https://launchpad.net/ubuntu/bionic","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 18.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"lessThan":"*","status":"unaffected","version":"2.61.4ubuntu0.18.04.1+esm2","versionType":"dpkg"}]},{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"lessThan":"*","status":"unaffected","version":"2.67.1+20.04ubuntu1~esm1","versionType":"dpkg"}]},{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"lessThan":"*","status":"unaffected","version":"2.73+ubuntu22.04.1","versionType":"dpkg"}]},{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"lessThan":"*","status":"unaffected","version":"2.73+ubuntu24.04.2","versionType":"dpkg"}]}],"source":"security@ubuntu.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","matchCriteriaId":"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","matchCriteriaId":"902B8056-9E37-443B-8905-8AA93E2447FB","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*","matchCriteriaId":"359012F1-2C63-415A-88B8-6726A87830DE","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:24.04:*:*:*:lts:*:*:*","matchCriteriaId":"BF90B5A4-6E55-4369-B9D4-E7A061E797D2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS."},{"lang":"es","value":"La escalada de privilegios local en snapd en Linux permite a los atacantes locales obtener privilegios de root al recrear el directorio /tmp privado de snap cuando systemd-tmpfiles está configurado para limpiar automáticamente este directorio. Este problema afecta a Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS y 24.04 LTS."}],"id":"CVE-2026-3888","lastModified":"2026-06-17T10:44:23.017","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.1,"impactScore":6.0,"source":"security@ubuntu.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-3888","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-03-17T00:00:00+00:00","version":"2.0.3"}}]},"published":"2026-03-17T14:16:17.410","references":[{"source":"security@ubuntu.com","tags":["Mitigation","Third Party Advisory"],"url":"https://blog.qualys.com/vulnerabilities-threat-research/2026/03/17/cve-2026-3888-important-snap-flaw-enables-local-privilege-escalation-to-root"},{"source":"security@ubuntu.com","tags":["Third Party Advisory"],"url":"https://cdn2.qualys.com/advisory/2026/03/17/snap-confine-systemd-tmpfiles.txt"},{"source":"security@ubuntu.com","tags":["Mitigation","Third Party Advisory"],"url":"https://discourse.ubuntu.com/t/snapd-local-privilege-escalation-cve-2026-3888"},{"source":"security@ubuntu.com","tags":["Third Party Advisory"],"url":"https://ubuntu.com/security/CVE-2026-3888"},{"source":"security@ubuntu.com","tags":["Third Party Advisory"],"url":"https://ubuntu.com/security/notices/USN-8102-1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2026/03/18/1"}],"sourceIdentifier":"security@ubuntu.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-268"}],"source":"security@ubuntu.com","type":"Secondary"}]}
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