{"id":"CVE-2015-0856","aliases":["DEBIAN-CVE-2015-0856","EUVD-2015-0867","GHSA-h2j2-9mv7-h7rv","MGASA-2015-0429","UBUNTU-CVE-2015-0856","openSUSE-SU-2024:10135-1"],"status":"published","title":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which...","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00414,"percentile":0.35946,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2015-11-05T22:46:03Z","modified":"2026-09-09T06:47:25Z","fixes":[{"ecosystem":"Debian:12","package":"sddm","fixed_in":["0.12.0-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sddm","fixed_in":["0.12.0-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sddm","fixed_in":["0.12.0-5"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"sddm","fixed_in":["0.11.0-1.1.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.0-5"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.0-1.1.mga5"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.0-2.1"}]}],"bundled":3}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"sddm_project","product":"sddm"}],"references":[{"url":"http://www.securityfocus.com/bid/77099","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2015/10/14/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-0856"},{"url":"https://github.com/advisories/GHSA-h2j2-9mv7-h7rv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-0856","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0429.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16966","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2015/10/14/2","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-0856","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-0856","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7271","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7272","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0856","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2015-0856","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2015-11-24T20:00:00Z","modified":"2024-08-06T04:26:11.232Z","updated_at":"2026-11-02T14:35:45.088047Z"}],"euvd":[{"id":"EUVD-2015-0867","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2015-11-24T20:00:00Z","modified":"2024-08-06T04:26:11Z","updated_at":"2026-11-03T02:22:18.008513Z"}],"ghsa":[{"id":"GHSA-h2j2-9mv7-h7rv","title":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which...","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2022-05-17T03:47:29Z","modified":"2023-01-27T05:08:39Z","updated_at":"2026-11-02T14:43:19.500885Z"}],"nvd":[{"id":"CVE-2015-0856","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2015-11-24T20:59:00.12Z","modified":"2026-06-17T00:21:02.82Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:12.30866Z"}],"osv":[{"id":"CVE-2015-0856","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2015-11-24T20:59:00Z","modified":"2026-04-16T06:16:11.3863584Z","updated_at":"2026-11-02T15:44:00.097545Z"},{"id":"DEBIAN-CVE-2015-0856","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"published","published":"2015-11-24T20:59:00.12Z","modified":"2026-09-09T06:47:25.014288282Z","updated_at":"2026-11-02T15:45:26.442161Z"},{"id":"MGASA-2015-0429","title":"Updated sddm packages fixes security vulnerability","description":"Pavel Avgustinov discovered that SDDM does not disable the KDE crash\nhandler, and certain themes would allow shell access to the sddm user as a\nresult in case of a crash (CVE-2015-0856).\n\nOnly SDDM users using the Breeze theme from plasma-workspace are affected.\n","status":"published","published":"2015-11-05T22:46:03Z","modified":"2026-04-16T06:23:42.714862746Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10135-1","title":"sddm-0.14.0-2.1 on GA media","description":"These are all security issues fixed in the sddm-0.14.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:57:50.696219Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"UBUNTU-CVE-2015-0856","description":"daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.","status":"withdrawn","published":"2015-11-24T20:59:00Z","modified":"2025-07-16T08:11:21.15563Z","updated_at":"2026-11-02T15:54:09.721803Z"}]}}