{"id":"CVE-2018-8885","aliases":["EUVD-2018-20493","GHSA-wpjr-f7r3-fjvc","UBUNTU-CVE-2018-8885","USN-3607-1"],"status":"published","title":"screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit...","description":"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.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00215,"percentile":0.11998,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2018-03-26T00:00:00Z","modified":"2026-06-17T02:05:35Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"screen-resolution-extra","fixed_in":["0.17.1.1~14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"screen-resolution-extra","fixed_in":["0.17.1.1~16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"screen-resolution-extra","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"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"screen-resolution-extra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.1.1~16.04.1"}]}],"versions":["0.17.1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"screen-resolution-extra","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"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"screen-resolution-extra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.1.1~16.04.1"}]}],"versions":["0.17.1"]}],"products":[{"vendor":"canonical","product":"screen-resolution-extra"},{"vendor":"canonical","product":"ubuntu_linux"}],"references":[{"url":"https://usn.ubuntu.com/3607-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8885"},{"url":"https://github.com/advisories/GHSA-wpjr-f7r3-fjvc"},{"url":"https://ubuntu.com/security/CVE-2018-8885","tags":["report"]},{"url":"https://launchpad.net/bugs/1753772","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3607-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-8885","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-8885","description":"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.","status":"published","published":"2018-03-28T20:00:00Z","modified":"2024-08-05T07:10:46.961Z","updated_at":"2026-11-02T14:35:04.540365Z"}],"euvd":[{"id":"EUVD-2018-20493","description":"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.","status":"published","published":"2018-03-28T20:00:00Z","modified":"2024-08-05T07:10:46Z","updated_at":"2026-11-03T02:40:01.4233Z"}],"ghsa":[{"id":"GHSA-wpjr-f7r3-fjvc","title":"screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit...","description":"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.","status":"published","published":"2022-05-14T03:29:28Z","modified":"2023-02-02T05:07:40Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:52:33.872402Z"}],"nvd":[{"id":"CVE-2018-8885","description":"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.","status":"published","published":"2018-03-28T20:29:00.397Z","modified":"2026-06-17T02:05:35.137Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"UBUNTU-CVE-2018-8885","description":"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.","status":"published","published":"2018-03-26T00:00:00Z","modified":"2026-02-04T03:35:56.019574Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"USN-3607-1","title":"screen-resolution-extra vulnerability","description":"It was discovered that Screen Resolution Extra was using PolicyKit in an\nunsafe manner. A local attacker could potentially exploit this issue to\nbypass intended PolicyKit authorizations.\n","status":"published","published":"2018-03-26T21:35:16Z","modified":"2026-02-10T04:41:17Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}
