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.
Max CVSS
2.1
EPSS Score
0.04%
Published
2014-01-23
Updated
2018-10-30
1 vulnerabilities found
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