{"id":"USN-3861-1","summary":"policykit-1 vulnerability","details":"It was discovered that PolicyKit incorrectly handled certain large user\nUIDs. A local attacker with a large UID could possibly use this issue to\nperform privileged actions.\n","modified":"2026-02-10T04:41:28Z","published":"2019-01-16T18:18:58Z","related":["UBUNTU-CVE-2018-19788"],"upstream":["CVE-2018-19788","UBUNTU-CVE-2018-19788"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3861-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19788"}],"affected":[{"package":{"name":"policykit-1","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-4ubuntu3.14.04.5?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-4ubuntu3.14.04.5"}]}],"versions":["0.105-3ubuntu3","0.105-4ubuntu1","0.105-4ubuntu2","0.105-4ubuntu2.14.04.1","0.105-4ubuntu3.14.04.1","0.105-4ubuntu3.14.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-agent-1-dev"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-backend-1-dev"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"libpolkit-gobject-1-dev"},{"binary_version":"0.105-4ubuntu3.14.04.5","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3861-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19788"}],"ecosystem":"Ubuntu:14.04:LTS"}}},{"package":{"name":"policykit-1","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-14.1ubuntu0.4?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-14.1ubuntu0.4"}]}],"versions":["0.105-11ubuntu2","0.105-13","0.105-13ubuntu1","0.105-14","0.105-14.1","0.105-14.1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-agent-1-dev"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-backend-1-dev"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"libpolkit-gobject-1-dev"},{"binary_version":"0.105-14.1ubuntu0.4","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3861-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19788"}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"policykit-1","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-20ubuntu0.18.04.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-20ubuntu0.18.04.4"}]}],"versions":["0.105-18","0.105-20","0.105-20ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"gir1.2-polkit-1.0"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-agent-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-agent-1-dev"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-backend-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-backend-1-dev"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"libpolkit-gobject-1-dev"},{"binary_version":"0.105-20ubuntu0.18.04.4","binary_name":"policykit-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3861-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19788"}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}