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[DSECRG-08-020] Alcatel OmniPCX Office Remote Comand Execution



Digital Security Research Group [DSecRG] Advisory       #DSECRG-08-020


Application:                    Alcatel OmniPCX Office 
Versions Affected:              Alcatel OmniPCX Office since release 210/061.1 
Vendor URL:                     http://alcatel.com
Bugs:                           Remote command execution
Exploits:                       YES
Risk:                           High
CVSS Score:                     7.31
CVE-number:                     2008-1331
Reported:                       31.01.2008
Vendor response:                01.02.2008
Customers informed:             07.03.2008
Published on PSIRT:             01.04.2008
Date of Public Advisory:        21.05.2008
Author:                         Digital Security Research Group [DSecRG] 
(research [at] dsec [dot] ru)



Introduction
************

The OmniPCX Enterprise is an integrated communications solution for
medium-sized businesses and large corporations. It combines the best of
the old (legacy TDM phone connectivity) with the new (a native IP
platform and support for Session Initiation Protocol, or SIP) to provide
an effective and complete communications solution for cost-conscious
companies on the cutting edge.

(from the vendor's homepage)


Description
***********

Alcatel OmniPCX Office  Web Interface has critical  security vulnerability 
Remote command execution

The risk of this vulnerability is high. Any user which has access to the web 
interface of the OmniPCX Enterprise solution will 

be able to execute arbitrary commands on the server with the permissions of the 
webserver.


Details
*******


Remote command execution vulnerability found in script /cgi-data/FastJSData.cgi 
  in parameter name id2
Variable id2  not being filtered when passed to the shell. Thus, arbitrary 
commands can be executed on
the server by adding them to the user variable, separated by semicolons.

You can find more details on this advisory on vendors website 
http://www1.alcatel-lucent.com/psirt/statements.htm 
under reference 2008001



Example:


http://[server]/cgi-data/FastJSData.cgi?id1=sh2kerr&id2=91|cat%20/etc/passwd




Fix Information
***************

Alcatel  was altered to fix this flaw on 01.04.2008. Updated version can be 
downloaded here:

http://www1.alcatel-lucent.com/enterprise/en/products/ip_telephony/omnipcxenterprise/index.html






About
*****

Digital Security is leading IT security company in Russia, providing 
information security consulting, audit and penetration 

testing services, risk analysis and ISMS-related services and certification for 
ISO/IEC 27001:2005 and PCI DSS standards. 

Digital Security Research Group focuses on web application and database 
security problems with vulnerability reports, advisories 

and whitepapers posted regularly on our website.


Contact:        research [at] dsec [dot] ru
                http://www.dsec.ru (in Russian)