CVE-2022-29800 Race condition in networkd-dispatcher
An attacker can exploit a race condition in networkd-dispatcher to replace root-owned scripts, leading to privilege escalation and code execution.
- 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-2022-29800?
CVE-2022-29800 is a medium-severity vulnerability in networkd-dispatcher, published on 21 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.
Weakness: CWE-367
Which versions are affected by CVE-2022-29800?
It affects 1 product.
Products include Microsoft Windows Defender for Endpoint.
How do I fix CVE-2022-29800?
Apply the vendor's patch.
Is CVE-2022-29800 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-29800 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in networkd-dispatcher
Sources
Also known as DEBIAN-CVE-2022-29800, GHSA-37cj-9g83-7692, UBUNTU-CVE-2022-29800.