{"id":"CVE-2015-3218","aliases":["DEBIAN-CVE-2015-3218","EUVD-2015-3281","GHSA-q9cc-g5q2-4hhx","MGASA-2015-0262","SUSE-SU-2015:1838-1","UBUNTU-CVE-2015-3218","USN-3717-1","openSUSE-SU-2024:10436-1"],"status":"published","title":"The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in...","description":"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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00432,"percentile":0.37652,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2015-07-05T17:22:03Z","modified":"2026-09-09T06:47:30Z","fixes":[{"ecosystem":"Debian:12","package":"policykit-1","fixed_in":["0.105-11"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"policykit-1","fixed_in":["0.105-11"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"policykit-1","fixed_in":["0.105-11"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"policykit-1","fixed_in":["0.105-4ubuntu3.14.04.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"policykit-1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-11"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"policykit-1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-11"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"policykit-1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-11"}]}]},{"source":"osv","ecosystem":"Mageia:4","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-1.mga4"}]}],"bundled":4},{"source":"osv","ecosystem":"Mageia:5","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-1.mga5"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-4.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-4.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-4.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-4.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 12","package":"polkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.113-4.1"}]}],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"policykit-1","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"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"policykit-1","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"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"policykit-1","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"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"policykit-1","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-20ubuntu0.18.04.1"}]}],"versions":["0.105-18","0.105-20"],"bundled":4}],"products":[{"vendor":"polkit_project","product":"polkit"}],"references":[{"url":"http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"https://usn.ubuntu.com/3717-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/76086","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.securitytracker.com/id/1035023","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3218"},{"url":"https://usn.ubuntu.com/3717-1"},{"url":"https://github.com/advisories/GHSA-q9cc-g5q2-4hhx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-3218","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0262.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16135","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20151838-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/912889","tags":["report"]},{"url":"https://bugzilla.suse.com/933922","tags":["report"]},{"url":"https://bugzilla.suse.com/935119","tags":["report"]},{"url":"https://bugzilla.suse.com/939246","tags":["report"]},{"url":"https://bugzilla.suse.com/943816","tags":["report"]},{"url":"https://bugzilla.suse.com/950114","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3218","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3255","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3256","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4625","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-3218","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3717-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-3218","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-3255","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-4625","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1116","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1485","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4288","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2015-3218","description":"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.","status":"published","published":"2015-10-26T19:00:00Z","modified":"2024-08-06T05:39:31.986Z","updated_at":"2026-11-02T14:35:41.976732Z"}],"euvd":[{"id":"EUVD-2015-3281","description":"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.","status":"published","published":"2015-10-26T19:00:00Z","modified":"2024-08-06T05:39:31Z","updated_at":"2026-11-03T02:22:09.179399Z"}],"ghsa":[{"id":"GHSA-q9cc-g5q2-4hhx","title":"The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in...","description":"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.","status":"published","published":"2022-05-14T03:13:28Z","modified":"2025-04-12T12:54:34Z","updated_at":"2026-11-02T15:01:24.215593Z"}],"nvd":[{"id":"CVE-2015-3218","description":"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.","status":"published","published":"2015-10-26T19:59:00.107Z","modified":"2026-06-17T00:25:33.64Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:03:12.30866Z"}],"osv":[{"id":"CVE-2015-3218","description":"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.","status":"published","published":"2015-10-26T19:59:00Z","modified":"2026-04-16T06:20:15.797463813Z","updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-3218","description":"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.","status":"published","published":"2015-10-26T19:59:00.107Z","modified":"2026-09-09T06:47:30.984216928Z","updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"MGASA-2015-0262","title":"Updated polkit package fixes security vulnerabilities","description":"Local privilege escalation in polkit before 0.113 due to predictable\nauthentication session cookie values (CVE-2015-4625).\n\nVarious memory corruption vulnerabilities in polkit before 0.113 in the\nuse of the JavaScript interpreter, possibly leading to local privilege\nescalation (CVE-2015-3256).\n\nMemory corruption vulnerability in polkit before 0.113 in handling\nduplicate action IDs, possibly leading to local privilege escalation\n(CVE-2015-3255).\n\nDenial of service issue in polkit before 0.113 which allowed any local\nuser to crash polkitd (CVE-2015-3218).\n","status":"published","published":"2015-07-05T17:22:03Z","modified":"2026-04-16T06:26:17.683137985Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10436-1","title":"libpolkit0-0.113-3.4 on GA media","description":"These are all security issues fixed in the libpolkit0-0.113-3.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:32:45.89498Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2015:1838-1","title":"Security update for polkit","description":"\npolkit was updated to the 0.113 release, fixing security issues and bugs.\n\nSecurity issues fixed:\n* Fixes CVE-2015-4625, a local privilege escalation due to predictable\n  authentication session cookie values. Thanks to Tavis Ormandy, Google Project\n  Zero for reporting this issue. For the future, authentication agents are\n  encouraged to use PolkitAgentSession instead of using the D-Bus agent response\n  API directly. (bsc#935119)\n* Fixes CVE-2015-3256, various memory corruption vulnerabilities in use of the\n  JavaScript interpreter, possibly leading to local privilege escalation.\n  (bsc#943816)\n* Fixes CVE-2015-3255, a memory corruption vulnerability in handling duplicate\n  action IDs, possibly leading to local privilege escalation. Thanks to\n  Laurent Bigonville for reporting this issue. (bsc#939246)\n* Fixes CVE-2015-3218, which allowed any local user to crash polkitd. Thanks to\n  Tavis Ormandy, Google Project Zero, for reporting this issue. (bsc#933922)\n\nOther issues fixed:\n* On systemd-213 and later, the 'active' state is shared across all sessions of\n  an user, instead of being tracked separately.\n* pkexec, when not given a program to execute, runs the users shell by\n  default.\n* Fixed shutdown problems on powerpc64le (bsc#950114)\n* polkit had a memory leak (bsc#912889)\n","status":"published","published":"2015-10-22T07:44:28Z","modified":"2026-02-04T02:47:09.588501Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"UBUNTU-CVE-2015-3218","description":"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.","status":"published","published":"2015-10-26T00:00:00Z","modified":"2026-04-22T10:07:31.064911Z","updated_at":"2026-11-02T15:54:10.045446Z"},{"id":"USN-3717-1","title":"policykit-1 vulnerabilities","description":"Tavis Ormandy discovered that PolicyKit incorrectly handled certain invalid\nobject paths. A local attacker could possibly use this issue to cause\nPolicyKit to crash, resulting in a denial of service. This issue only\naffected Ubuntu 14.04 LTS. (CVE-2015-3218)\n\nIt was discovered that PolicyKit incorrectly handled certain duplicate\naction IDs. A local attacker could use this issue to cause PolicyKit to\ncrash, resulting in a denial of service, or possibly escalate privileges.\nThis issue only affected Ubuntu 14.04 LTS. (CVE-2015-3255)\n\nTavis Ormandy discovered that PolicyKit incorrectly handled duplicate\ncookie values. A local attacker could use this issue to cause PolicyKit to\ncrash, resulting in a denial of service, or possibly escalate privileges.\nThis issue only affected Ubuntu 14.04 LTS. (CVE-2015-4625)\n\nMatthias Gerstner discovered that PolicyKit incorrectly checked users. A\nlocal attacker could possibly use this issue to cause authentication\ndialogs to show up for other users, leading to a denial of service or an\ninformation leak. (CVE-2018-1116)\n","status":"published","published":"2018-07-16T15:17:18Z","modified":"2026-04-22T09:48:12.746006Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}