CVE-2022-39291 Denial of service through logs in zoneminder
Attackers with view permissions can flood logs via HTTP POST, causing database performance issues or storage exhaustion in ZoneMinder.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-39291?
CVE-2022-39291 is a medium-severity denial of service vulnerability in Zoneminder Zoneminder, published on 7 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ZoneMinder is a free, open source Closed-circuit television software application. Affected versions of zoneminder are subject to a vulnerability which allows users with "View" system permissions to inject new data into the logs stored by Zoneminder. This was observed through an HTTP POST request containing log information to the "/zm/index.php" endpoint. Submission is not rate controlled and could affect database performance and/or consume all storage resources. Users are advised to upgrade. There are no known workarounds for this issue.
Weakness: CWE-20
Which versions are affected by CVE-2022-39291?
It affects 1 product.
Products include Zoneminder Zoneminder.
How do I fix CVE-2022-39291?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-39291 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-39291 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Zoneminder Zoneminder
Sources
Also known as DEBIAN-CVE-2022-39291, GHSA-cfcx-v52x-jh74, UBUNTU-CVE-2022-39291.