Upstream information

CVE-2014-0979 at MITRE


The start_authentication function in lightdm-gtk-greeter.c in LightDM GTK+ Greeter before 1.7.1 does not properly handle the return value from the lightdm_greeter_get_authentication_user function, which allows local users to cause a denial of service (NULL pointer dereference) via an empty username.

SUSE information

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.11
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
SUSE Bugzilla entry: 857303 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE 13.1
  • lightdm-gtk-greeter >= 1.3.1-5.6.1
  • lightdm-gtk-greeter-branding-upstream >= 1.3.1-5.6.1
  • lightdm-gtk-greeter-debuginfo >= 1.3.1-5.6.1
  • lightdm-gtk-greeter-debugsource >= 1.3.1-5.6.1
  • lightdm-gtk-greeter-lang >= 1.3.1-5.6.1