Strix
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CVE-2014-0979

UnknownEPSS 0.41%

Last modified

CVE-2014-0979 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.41%

32.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OpensuseOpensuse12.2
OpensuseOpensuse12.3
OpensuseOpensuse13.1
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter<= 1.7.0
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.1
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.2
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.3
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.4
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.5
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.1.6
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.3.0
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.3.1
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.5.0
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.5.1
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.5.2
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.6.0
Lightdm Gtk\+ Greeter ProjectLightdm Gtk\+ Greeter1.6.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2014-0979?
Severity scoring for CVE-2014-0979 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2014-0979?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-0979?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST