CVE-2019-13164 Security feature bypass in n/a
An attacker can bypass network access controls in QEMU by exploiting a buffer size check failure in the bridge helper utility.
- 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-2019-13164?
CVE-2019-13164 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 3 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
qemu-bridge-helper.c in QEMU 3.1 and 4.0.0 does not ensure that a network interface name (obtained from bridge.conf or a --br=bridge option) is limited to the IFNAMSIZ size, which can lead to an ACL bypass.
Which versions are affected by CVE-2019-13164?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Qemu Qemu.
How do I fix CVE-2019-13164?
Apply the vendor's patch.
Is CVE-2019-13164 being exploited?
There is no known exploitation of CVE-2019-13164 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-13164, GHSA-5ff7-wj9x-5xc5, UBUNTU-CVE-2019-13164.