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Published: 23/10/2009 Updated: 21/11/2017

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Algorithmic complexity vulnerability in wp-trackback.php in WordPress prior to 2.8.5 allows remote malicious users 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.

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CWE-310 http://codes.zerial.org/php/wp-trackbacks_dos.phps https://bugzilla.redhat.com/show_bug.cgi?id=530056 http://secunia.com/advisories/37088 http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/http://marc.info/?l=oss-security&m=125612393329041&w=2 http://marc.info/?l=oss-security&m=125614592004825&w=2 http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html http://securitytracker.com/id?1023072 http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/http://www.osvdb.org/59077 http://www.vupen.com/english/advisories/2009/2986 http://seclists.org/fulldisclosure/2009/Oct/263 https://exchange.xforce.ibmcloud.com/vulnerabilities/53884 https://nvd.nist.gov

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CVE-2009-3622

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