CVE-2013-2016 Privilege escalation in qemu (virtio-rng)
A privileged guest user can access host memory via virtio-rng config space validation flaw, leading to host privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2016?
CVE-2013-2016 is a high-severity vulnerability in Debian Debian Linux, published on 30 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in the way qemu v1.3.0 and later (virtio-rng) validates addresses when guest accesses the config space of a virtio device. If the virtio device has zero/small sized config space, such as virtio-rng, a privileged guest user could use this flaw to access the matching host's qemu address space and thus increase their privileges on the host.
Weakness: CWE-269
Which versions are affected by CVE-2013-2016?
It affects 4 products.
Products include Debian Debian Linux, Novell Open Desktop Server, Novell Open Enterprise Server, Qemu Qemu.
How do I fix CVE-2013-2016?
Apply the vendor's patch.
Is CVE-2013-2016 being exploited?
There is no known exploitation of CVE-2013-2016 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2013-2016, GHSA-hch7-9gh2-qf6g.