Robert Ancell: >> Lightdm Security Vulnerabilities
lightdm before 1.0.9 does not properly close file descriptors before opening a child process, which allows local users to write to the lightdm log or have other unspecified impact.
CVSS Score
4.6
EPSS Score
0.001
Published
2014-10-27
debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.
CVSS Score
2.1
EPSS Score
0.003
Published
2014-05-22
dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.
CVSS Score
1.9
EPSS Score
0.001
Published
2014-03-06
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.
CVSS Score
2.1
EPSS Score
0.0
Published
2014-02-02
LightDM 1.7.5 through 1.8.3 and 1.9.x before 1.9.2 does not apply the AppArmor profile to the Guest account, which allows local users to bypass intended restrictions by leveraging the Guest account.
CVSS Score
3.3
EPSS Score
0.001
Published
2013-11-23
LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.
CVSS Score
1.9
EPSS Score
0.0
Published
2012-02-17