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.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Link | Tags |
---|---|
http://www.securityfocus.com/bid/77099 | vdb entry third party advisory |
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html | third party advisory vendor advisory |
https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement | vendor advisory |
http://www.openwall.com/lists/oss-security/2015/10/14/2 | third party advisory mailing list |
https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86 | vendor advisory |