# Exploit Title: Multiple Vulnerabilities in OpenPLI
# Date: 13.02.2013
# Exploit Author: m-1-k-3
# Vendor Homepage: http://openpli.org/
# Software Link: http://openpli.org/
# Version: v3.0 beta (OpenPLi-beta-dm7000-20130127-272) and below

Device Name: OpenPLI - Dream Multimedia Box with OpenPLI software
Vendor of device: Dream Multimedia
Vendor of Software: OpenPLI Community

============ Device Details: ============ 

Linux Kernel	Linux version 2.6.9 (build@plibouwserver) (gcc version 3.4.4) #1 Wed Aug 17 23:54:07 CEST 2011
Firmware	release 1.1.0, 27.01.2013
FP Firmware	1.06
Web Interface	6.0.4-Expert - PLi edition by [lite]

More infos: http://openpli.org/

============ Vulnerability Overview: ============ 

* OS Command Execution:

	parameter: maxmtu

The vulnerability is caused by missing input validation in the maxmtu parameter and can be exploited to inject and execute arbitrary shell commands. It is possible to use Netcat to fully compromise the device.


It is possible to shorten the URL to the following:


There is Netcat preinstalled on the device. It is a very small edition of netcat, so you have to play a bit with it but you will get it ;)

* stored XSS:

Box Control -> Configuration -> Webserver -> User, Password

	parameter: AuthUser, AuthPassword

Box Control -> Configuration -> Settings

	parameter: audiochannelspriority

Injecting scripts into the parameter xxx reveals that this parameter is not properly validated for malicious input.

============ Solution ============

No known solution available.

============ Credits ============

The vulnerability was discovered by Michael Messner
Mail: devnull#at#s3cur1ty#dot#de
Web: http://www.s3cur1ty.de/advisories
Twitter: @s3cur1ty_de

============ Time Line: ============

October 2012 - disocovered vulnerability
xx.02.2013 - public release

===================== Advisory end =====================
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OpenPLI v3.0 beta (OpenPLi-beta-dm7000-20130127-272) – Multiple Vulnerabilities

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