CVE-2014-0979

Publication date 23 January 2014

Last updated 24 July 2024

Ubuntu priority

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
lightdm-gtk-greeter	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	15.04 vivid	Not affected
	14.10 utopic	Not affected
	14.04 LTS trusty	Not in release
	13.10 saucy	Ignored end of life
	13.04 raring	Ignored end of life
	12.10 quantal	Ignored end of life
	12.04 LTS precise	Ignored end of life
	10.04 LTS lucid	Not in release

How can I get the fixes?
What do statuses mean?

References

MITRE
NVD
Launchpad
Debian

Other references

https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/1266449
https://bugzilla.novell.com/show_bug.cgi?id=857303
https://www.cve.org/CVERecord?id=CVE-2014-0979