Lightdm Project: >> Lightdm >> 0.3.7 Security Vulnerabilities
lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.
CVSS Score
7.8
EPSS Score
0.001
Published
2019-11-19
LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.
CVSS Score
4.6
EPSS Score
0.001
Published
2017-05-12
In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.
CVSS Score
7.3
EPSS Score
0.01
Published
2017-04-05