CVE-2017-7358
HIGH severity · CVSS 7.3 · Path traversal
7.3CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478Advisory
- http://www.securityfocus.com/bid/97486Advisory
- https://launchpad.net/bugs/1677924Advisory
- https://lists.freedesktop.org/archives/lightdm/2017-April/001059.htmlAdvisory
- https://www.exploit-db.com/exploits/41923/
- https://www.ubuntu.com/usn/usn-3255-1/Advisory