2 lines
5.1 KiB
JSON
2 lines
5.1 KiB
JSON
{"affected":[{"affectedData":[{"product":"accountsservice","vendor":"Ubuntu","versions":[{"lessThan":"0.6.55-0ubuntu12~20.04.5","status":"affected","version":"0.6.55-0ubuntu12~20.04","versionType":"custom"},{"lessThan":"0.6.55-0ubuntu13.3","status":"affected","version":"0.6.55-0ubuntu13","versionType":"custom"},{"lessThan":"0.6.55-0ubuntu14.1","status":"affected","version":"0.6.55-0ubuntu14","versionType":"custom"}]}],"source":"security@ubuntu.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*","matchCriteriaId":"AB08CB97-D747-4D11-9824-4AD73BAA28F6","versionEndExcluding":"0.6.55-0ubuntu12\\~20.05","versionStartIncluding":"0.6.55-0ubuntu12\\~20.04","vulnerable":true},{"criteria":"cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*","matchCriteriaId":"EDFB086F-2F2C-48ED-B020-96FDA6D581EB","versionEndExcluding":"0.6.55-0ubuntu13.3","versionStartIncluding":"0.6.55-0ubuntu13","vulnerable":true},{"criteria":"cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*","matchCriteriaId":"F1A2D965-5BF5-4B21-899A-1AD29AE1F669","versionEndExcluding":"0.6.55-0ubuntu14.1","versionStartIncluding":"0.6.55-0ubuntu14","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"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:21.04:*:*:*:*:*:*:*","matchCriteriaId":"8EF1C1CC-3FAE-4DE3-BC41-E5B14D5721F4","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*","matchCriteriaId":"AAE4D2D0-CEEB-416F-8BC5-A7987DF56190","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1."},{"lang":"es","value":"Unas modificaciones específicas de Ubuntu a accountsservice (en el archivo de parche debian/patches/0010-set-language.patch) causaron la liberación de la variable fallback_locale, que apunta al almacenamiento estático, en la función user_change_language_authorized_cb. Esto es accesible por medio de la función dbus SetLanguage. Esto es corregido en las versiones 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1"}],"id":"CVE-2021-3939","lastModified":"2026-06-17T04:06:01.293","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":7.2,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":3.9,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"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"},{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-11-17T04:15:06.977","references":[{"source":"security@ubuntu.com","url":"http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html"},{"source":"security@ubuntu.com","tags":["Broken Link"],"url":"https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149"},{"source":"security@ubuntu.com","tags":["Vendor Advisory"],"url":"https://ubuntu.com/security/notices/USN-5149-1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"url":"https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://ubuntu.com/security/notices/USN-5149-1"}],"sourceIdentifier":"security@ubuntu.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-590"}],"source":"security@ubuntu.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-763"}],"source":"nvd@nist.gov","type":"Primary"}]}
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