{"id":"UBUNTU-CVE-2015-3218","details":"The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path.","modified":"2026-01-30T01:04:58.778701Z","published":"2015-10-26T00:00:00Z","related":["USN-3717-1"],"upstream":["CVE-2015-3218"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3218"},{"type":"REPORT","url":"http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3717-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3218"}],"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":{"availability":"No subscription required","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-agent-1-dev"},{"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-backend-1-dev"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"libpolkit-gobject-1-0"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"libpolkit-gobject-1-dev"},{"binary_version":"0.105-4ubuntu3.14.04.2","binary_name":"policykit-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3218.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}