CVE-2022-28204 Denial of service in n/a
An attacker can cause a denial of service in MediaWiki by triggering a slow rendering process on the WhatLinksHere special page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-28204?
CVE-2022-28204 is a high-severity denial of service vulnerability in Mediawiki Mediawiki, published on 19 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service issue was discovered in MediaWiki 1.37.x before 1.37.2. Rendering of w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1 can take more than thirty seconds. There is a DDoS risk.
Weakness: CWE-400
Which versions are affected by CVE-2022-28204?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | From 1.37.0 | 1.37.2 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2022-28204?
Upgrade mediawiki to 1.37.2 or later.
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-2022-28204 being exploited?
There is no known exploitation of CVE-2022-28204 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2022-28204, GHSA-vxvm-35wp-ppw8, UBUNTU-CVE-2022-28204.