bugtraq - PHPMailer command execution

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Date: Mon, 11 Jun 2007 19:46:16 +0200
From: Thor Larholm <seclists@...holm.com>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	websecurity@...appsec.org
Subject: PHPMailer command execution

PHPMailer is a widely deployed utility class used in PHP application to 
handle emails sent through sendmail, PHP mailto() or SMTP. It is used in 
PHP applications such as WordPress, Mantis, WebCalendar, Group-Office 
and Joomla. The last official release happened on July 11, 2005.

If you have configured PHPMailer to use sendmail it has a remote command 
execution vulnerability due to a lack of input validation. sendmail is 
queried through the popen function which is called with a string 
constructed from non-escaped user input.

http://larholm.com/2007/06/11/phpmailer-0day-remote-execution/

Cheers
Thor Larholm