Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-0979

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.

Published

2014-01-23T01:55:04.460

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 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
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System opensuse opensuse 12.2 Yes
Operating System opensuse opensuse 12.3 Yes
Operating System opensuse opensuse 13.1 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter ≤ 1.7.0 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.1 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.2 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.3 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.4 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.5 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.1.6 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.3.0 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.3.1 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.5.0 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.5.1 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.5.2 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.6.0 Yes
Application lightdm_gtk\+_greeter_project lightdm_gtk\+_greeter 1.6.1 Yes
References