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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2014-01-23T01:00:00

Updated: 2024-08-06T09:34:40.438Z

Reserved: 2014-01-07T00:00:00

Link: CVE-2014-0979

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-01-23T01:55:04.460

Modified: 2024-11-21T02:03:08.933

Link: CVE-2014-0979

cve-icon Redhat

No data.