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CVE-2017-7358

Published: 4 April 2017

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.

Notes

AuthorNote
tyhicks
This issue was reported to us by Beyond Security but they did not
discover the issue. The discoverer is unknown.

Priority

High

CVSS 3 base score: 7.3

Status

Package Release Status
lightdm
Launchpad, Ubuntu, Debian
upstream Needed

precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
xenial
Released (1.18.3-0ubuntu1.1)
yakkety
Released (1.19.5-0ubuntu1.1)