{"id":"UBUNTU-CVE-2018-1116","details":"A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.","modified":"2026-04-22T11:41:59.565242Z","published":"2018-07-10T00:00:00Z","related":["USN-3717-1","USN-3717-2"],"upstream":["CVE-2018-1116"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1116"},{"type":"REPORT","url":"https://lists.freedesktop.org/archives/polkit-devel/2018-July/000583.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3717-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3717-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1116"}],"affected":[{"package":{"name":"policykit-1","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-4ubuntu3.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-4ubuntu3.14.04.2"}]}],"versions":["0.105-3ubuntu3","0.105-4ubuntu1","0.105-4ubuntu2","0.105-4ubuntu2.14.04.1","0.105-4ubuntu3.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1116.json"}},{"package":{"name":"policykit-1","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-14.1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-14.1ubuntu0.1"}]}],"versions":["0.105-11ubuntu2","0.105-13","0.105-13ubuntu1","0.105-14","0.105-14.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-14.1ubuntu0.1","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-14.1ubuntu0.1","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-14.1ubuntu0.1","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-14.1ubuntu0.1","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-14.1ubuntu0.1","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1116.json"}},{"package":{"name":"policykit-1","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-20ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-20ubuntu0.18.04.1"}]}],"versions":["0.105-18","0.105-20"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-20ubuntu0.18.04.1","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-20ubuntu0.18.04.1","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.1","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.1","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.1","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1116.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}