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Category:   Application (Generic)  >   Torrential Vendors:   torrential.backlashpc.com
Torrential 'getdox.php' Input Validation Bugs Disclose Files on the Target System and Permit Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1015338
SecurityTracker URL:  http://securitytracker.com/id/1015338
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Dec 11 2005
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 1.2
Description:   A vulnerability was reported in Torrential. A remote user can view files on the target system. A remote user can conduct cross-site scripting attacks.

The 'getdox.php' script does not properly validate user-supplied input. A remote user can supply a specially crafted URL to view arbitrary files on the target system. Files can be viewed with the privileges of the target web service.

A demonstration exploit URL is provided:

http://[target]/torrential/dox/getdox.php/../../index.html

A remote user can also create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Torrential software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A demonstration exploit URL is provided:

http://[target]/torrential/dox/getdox.php/<script>alert("hi")</script>

Shell reported this vulnerability.

Impact:   A remote user can view files on the target system with the privileges of the target web service.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Torrential software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Solution:   No solution was available at the time of this entry.
Vendor URL:  torrential.backlashpc.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  Torrential 1.2 Directory Traversal

I was poking around my own server because I had an installation of
torrential and found this vuln. The problem lies in getdox.php. It
works by taking an argument after a "/". This specifies a file. The
DOX folder that it grabs the files from is located int /dox such that
/ is the directory that the main index is in. Now, you can give it the
parameter of /(any file) and it will fetch that file.

EXAMPLES:
http://www.example.com/torrential/dox/getdox.php/../forums.php (goes
to the forums page)
http://www.example.com/torrential/dox/getdox.php/../../index.html
(goes to http://www.example.com/index.html in this case)

The vulnerability lies in the fact that getdox.php directly reads the
file with fopen/fread.

 
 


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