CVE-2018-17206 Memory corruption in n/a
A buffer over-read in Open vSwitch allows attackers to cause denial of service or disclose sensitive memory contents via crafted BUNDLE actions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17206?
CVE-2018-17206 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 19 Sep 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.
Weakness: CWE-125
Which versions are affected by CVE-2018-17206?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Openvswitch Openvswitch, Redhat Openstack.
How do I fix CVE-2018-17206?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-17206 being exploited?
There is no known exploitation of CVE-2018-17206 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-17206, GHSA-pcf7-fwpx-5mr2, UBUNTU-CVE-2018-17206.