{"id":"UBUNTU-CVE-2018-8885","details":"screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit D-Bus API, which allows local users to bypass intended access restrictions by leveraging a race condition via a setuid or pkexec process that is mishandled in a PolicyKitService._check_permission call.","modified":"2026-02-04T03:35:56.019574Z","published":"2018-03-26T00:00:00Z","related":["USN-3607-1"],"upstream":["CVE-2018-8885"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-8885"},{"type":"REPORT","url":"https://launchpad.net/bugs/1753772"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3607-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-8885"}],"affected":[{"package":{"name":"screen-resolution-extra","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/screen-resolution-extra@0.17.1.1~14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.1.1~14.04.1"}]}],"versions":["0.15ubuntu1","0.16","0.16ubuntu1","0.16ubuntu2","0.17","0.17.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"screen-resolution-extra","binary_version":"0.17.1.1~14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-8885.json"}},{"package":{"name":"screen-resolution-extra","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/screen-resolution-extra@0.17.1.1~16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.1.1~16.04.1"}]}],"versions":["0.17.1"],"ecosystem_specific":{"binaries":[{"binary_name":"screen-resolution-extra","binary_version":"0.17.1.1~16.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-8885.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}