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CVE-2009-3622

4.3 · MEDIUM

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…

Published Oct 23, 2009wordpressCWE-310EPSS 5.83%

Overview

CVE-2009-3622 is a medium-severity vulnerability affecting wordpress wordpress. It was published on October 23, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from wordpress. Update wordpress to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
wordpresswordpress0Affected

References

Refcodes.zerial.org/php/wp-trackbacks_dos.phpsRefmarc.info/?l=oss-security&m=125612393329041&w=2Refmarc.info/?l=oss-security&m=125614592004825&w=2Refrooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/Refseclists.org/fulldisclosure/2009/Oct/263Refsecunia.com/advisories/37088Refsecurity-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.htmlRefsecuritytracker.com/id?1023072Refwordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/Refwww.osvdb.org/59077

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3622?

CVE-2009-3622 is a medium-severity vulnerability affecting wordpress wordpress. It was published on October 23, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2009-3622?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3622?

Check the references section for vendor advisories and patches from wordpress. Update wordpress to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3622?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3622 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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