CVE-2015-0856

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...

MGASA-2015-0429 Updated sddm packages fixes security vulnerability

Pavel Avgustinov discovered that SDDM does not disable the KDE crash handler, and certain themes would allow shell access to the sddm user as a result in case of a crash CVE-2015-0856. Only SDDM users using the Breeze theme from plasma-workspace are affected...