CVE-2013-4331 Information

Description

Light Display Manager (aka LightDM) 1.4.x before 1.4.3 1.6.x before 1.6.2 and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file which allows local users to obtain sensitive information by reading the file.

Reference

https://bugs.launchpad.net/lightdm/2Bbug/685212