1. CVE-Search
  2. CVE-2014-0979
ID CVE-2014-0979
Summary 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. Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"
References
Vulnerable Configurations
  • cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
    cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
  • cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
    cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
  • cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
    cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.5:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.6:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:lightdm_gtk\+_greeter_project:lightdm_gtk\+_greeter:1.7.0:*:*:*:*:*:*:*
CVSS
Base: 2.1 (as of 30-10-2018 - 16:27)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:L/Au:N/C:N/I:N/A:P
refmap via4
bid 64679
confirm
fedora
  • FEDORA-2014-1647
  • FEDORA-2014-1648
mlist [oss-security] 20140107 Re: CVE request: lightdm-gtk-greeter - local DOS due to NULL pointer dereference
secunia
  • 56211
  • 56423
suse openSUSE-SU-2014:0071
Last major update 30-10-2018 - 16:27
Published 23-01-2014 - 01:55
Last modified 30-10-2018 - 16:27
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