CVE-2016-7116 Path traversal in n/a
Local guest administrators can access host files outside the export path via directory traversal in QEMU's 9pfs implementation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7116?
CVE-2016-7116 is a medium-severity path traversal vulnerability in Debian Debian Linux, published on 10 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.
Weakness: CWE-22
Which versions are affected by CVE-2016-7116?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2016-7116?
Apply the vendor's patch.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2016-7116 being exploited?
There is no known exploitation of CVE-2016-7116 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-7116, DLA-618-1, DLA-619-1, GHSA-x8xq-jr3x-4wjr, UBUNTU-CVE-2016-7116.