HIGH7.3
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 2.0
CVSS:2.0/AV:L/AC:M/Au:N/C:C/I:C/A:CCVSS 3.xHIGH 7.3
CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HReferences
- http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478
- http://www.securityfocus.com/bid/97486
- https://launchpad.net/bugs/1677924
- https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html
- https://www.exploit-db.com/exploits/41923/
- https://www.ubuntu.com/usn/usn-3255-1/
- http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478
- http://www.securityfocus.com/bid/97486
- https://launchpad.net/bugs/1677924
- https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html
- https://www.exploit-db.com/exploits/41923/
- https://www.ubuntu.com/usn/usn-3255-1/