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Category:   Application (Multimedia)  >   Watchdog Vendors:   Webcam Corp.
Webcam Watchdog Input Validation Hole in 'sresult.exe' Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1010824
SecurityTracker URL:  http://securitytracker.com/id/1010824
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 30 2004
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 4.0.1a
Description:   An input validation vulnerability was reported in Webcam Watchdog. A remote user can conduct cross-site scripting attacks.

Dr_insane reported that 'sresult.exe' does not properly filter HTML code from user-supplied input in the 'cam' variable before displaying the input. A remote user can 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 Watchdog 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 example is provided:

/sresult.exe?cam=[code]

The original advisory is available at:

http://members.lycos.co.uk/r34ct/main/Webcam_watchdog_401a.txt

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Watchdog 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.

The author of the report indicates that you can remove the affected script if it is not needed.

Vendor URL:  www.webcamsoft.com/en/watchdog.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  http://members.lycos.co.uk/r34ct/main/Webcam_watchdog_401a.txt


http://members.lycos.co.uk/r34ct/main/Webcam_watchdog_401a.txt

++++++++++++++++++++++++++++++++    www.r34ct.tk  ++++++++++++++++++++++++++++++++

                                ______   _     _                       _
                               (_____ \ | |   (_)          _      _   | |
  _ _ _  _ _ _  _ _ _     ____  _____) )| |_____   ____  _| |_  _| |_ | |  _
| | | || | | || | | |   / ___)(_____ ( |_____  | / ___)(_   _)(_   _)| |_/ )
| | | || | | || | | |_ | |     _____) )      | |( (___   | |_  _| |_ |  _ (
  \___/  \___/  \___/(_)|_|    (______/       |_| \____)   \__)(_)\__)|_| \_)


++++++++++++++++++++++++++++++++    www.r34ct.tk  ++++++++++++++++++++++++++++++++





                                  Security Advisory



Advisory name : Webcam Watchdog 4.0.1a Cross site scripting
Release date : 29/07/2004
Application : Webcam watchdog 4.0.1a
Platform : Windows (all)
Severity : medium
Author: dr_insane , dr_insane@pathfinder.gr


Description:
"Watchdog is simply your best choice if you need to record video over a long period of 
time or monitoring a
remote location over the Internet. You can setup Watchdog to initiate video recording when 
there's a motion
detected. Watchdog can also alert you by emailing you the captured image and play the 
alarm sound."

Sresult.exe is vulnerable to a Xss attack.A malicious user can exploit this to execute 
arbitrary HTML code in a
user's browser session when a page including the malicious script code is viewed.

example: /sresult.exe?cam=[code]


Workaround:
Remove the sample scripts if you don't need them.


Credit:
Dr_insane
Http://members.lycos.co.uk/r34ct/


Feedback
Please send your comments to: dr_insane@pathfinder.gr





 
 


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