National Cyber Awareness System

Vulnerability Summary for CVE-2009-3622

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2009-2986

Type: Advisory; Patch Information

Hyperlink:http://www.vupen.com/english/advisories/2009/2986

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=530056

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=530056

External Source: XF

Name: wordpress-wptrackback-dos(53884)

Hyperlink:http://xforce.iss.net/xforce/xfdb/53884

External Source: OSVDB

Name: 59077

Hyperlink:http://www.osvdb.org/59077

External Source: CONFIRM

Name: http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/

Type: Advisory

Hyperlink:http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/

External Source: SECTRACK

Name: 1023072

Hyperlink:http://securitytracker.com/id?1023072

External Source: MISC

Name: http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html

Hyperlink:http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html

External Source: SECUNIA

Name: 37088

Type: Advisory

Hyperlink:http://secunia.com/advisories/37088

External Source: FULLDISC

Name: 20091019 [Wordpress] Resource Exhaustion (Denial of Service)

Hyperlink:http://seclists.org/fulldisclosure/2009/Oct/263

External Source: MISC

Name: http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/

Hyperlink:http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/

External Source: MLIST

Name: [oss-security] 20091021 Re: CVE request: Wordpress Trackback DoS

Hyperlink:http://marc.info/?l=oss-security&m=125614592004825&w=2

External Source: MLIST

Name: [oss-security] 20091021 CVE request: Wordpress Trackback DoS

Hyperlink:http://marc.info/?l=oss-security&m=125612393329041&w=2

External Source: MISC

Name: http://codes.zerial.org/php/wp-trackbacks_dos.phps

Hyperlink:http://codes.zerial.org/php/wp-trackbacks_dos.phps