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Insecure Library Loading
Highly critical

PHPMailer "Sender" Arbitrary Command Execution

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Release Date:  2007-06-12    Last Update:  2007-06-15    Views:  15,782

Secunia Advisory SA25626

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Thor Larholm has discovered a vulnerability in PHPMailer, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the Sender property in the PHPMailer class is not properly sanitised before being used as a command line argument. This can be exploited to inject arbitrary shell commands.

Successful exploitation requires that the PHP script using PHPMailer is configured to send e-mails with the Sendmail method, and that the script does not sanitise data before storing it in the Sender property.

The vulnerability is confirmed in version 1.73. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly sanitised.

Provided and/or discovered by:
Thor Larholm

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: PHPMailer "Sender" Arbitrary Command Execution

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