PHPMailer command execution

2007.06.17

Credit: Thor Larholm

Risk: High

Local: No

Remote: Yes

CVE: CVE-2007-3215

CWE: CWE-Other

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

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

See this note in RAW Version

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PHPMailer command execution

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