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Status published
Low
CVE-2014-0979
The start_authentication function in lightdm-gtk-greeter.c in LightDM GTK+ Greeter before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/64679
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128150.html
- https://bugzilla.novell.com/show_bug.cgi?id=857303
- http://www.openwall.com/lists/oss-security/2014/01/07/15
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128117.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00048.html
- http://secunia.com/advisories/56211
- https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/1266449
- http://secunia.com/advisories/56423
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Affected Vendor
opensuse
View all reports →Affected Software
opensuse, lightdm gtk\+ greeter
Vulnerable Versions:
12.2, 12.3, 13.1, 0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.3.0, 1.3.1, 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1
Timeline
Official Publish:
January 23rd, 2014
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.