CVE-2020-14377 Information disclosure in dpdk
An attacker in a virtual machine can read host memory and cause denial of service due to lack of parameter validation in DPDK.
- 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-2020-14377?
CVE-2020-14377 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 30 Sep 2020. 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 dpdk in versions before 18.11.10 and before 19.11.5. A complete lack of validation of attacker-controlled parameters can lead to a buffer over read. The results of the over read are then written back to the guest virtual machine memory. This vulnerability can be used by an attacker in a virtual machine to read significant amounts of host memory. The highest threat from this vulnerability is to data confidentiality and system availability.
Weakness: CWE-125
Which versions are affected by CVE-2020-14377?
It affects 3 products.
Products include Canonical Ubuntu Linux, Dpdk Data Plane Development Kit, Opensuse Leap.
How do I fix CVE-2020-14377?
Upgrade to a fixed version.
Is CVE-2020-14377 being exploited?
There is no known exploitation of CVE-2020-14377 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-14377, GHSA-79mp-xxw2-fgf4, UBUNTU-CVE-2020-14377.