CVE-2009-3622 Denial of service in n/a
Remote attackers can cause denial of service in WordPress via algorithmic complexity in trackback processing, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-3622?
CVE-2009-3622 is a medium-severity denial of service vulnerability in Wordpress Wordpress, published on 23 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated "UTF-8" substrings, related to the mb_convert_encoding function in PHP.
Weakness: CWE-310
Which versions are affected by CVE-2009-3622?
It affects 1 product.
Products include Wordpress Wordpress.
How do I fix CVE-2009-3622?
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-2009-3622 being exploited?
There is no known exploitation of CVE-2009-3622 in the wild and no public exploit code.
Other vulnerabilities in Wordpress Wordpress
Sources
Also known as DEBIAN-CVE-2009-3622, GHSA-m4j7-w5vj-fwff.