Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://launchpad.net/bugs/1677924 ↗
- https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html ↗
- http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478 ↗
- https://www.exploit-db.com/exploits/41923/ ↗
- https://www.ubuntu.com/usn/usn-3255-1/ ↗
- http://www.securityfocus.com/bid/97486 ↗