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Category:   Application (Instant Messaging/IRC/Chat)  >   Novell GroupWise Messenger Vendors:   Novell
Novell GroupWise Messenger Agents Blowfish Error Lets Remote Users Deny Service
SecurityTracker Alert ID:  1016974
SecurityTracker URL:  http://securitytracker.com/id/1016974
CVE Reference:   CVE-2006-4511   (Links to External Site)
Updated:  Nov 15 2006
Original Entry Date:  Oct 3 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.6, 2.0.2
Description:   A vulnerability was reported in Novell GroupWise Messenger Agents. A remote user can cause denial of service conditions.

A remote user can send an HTTP POST request with a specially crafted 'val' parameter value to port 8300 on the target system to cause the target Messenger service to crash.

The vendor indicates that zero-size strings in blowfish data can trigger the flaw.

The vendor was notified on August 17, 2006.

The vendor credits CIRT.DK and with reporting this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   Novell has issued Hot Patches.

For 1.0.6:

http://support.novell.com/servlet/filedownload/sec/ftf/gwim106hp1.exe

For 2.0.2:

http://support.novell.com/servlet/filedownload/sec/ftf/gwim202hp1.exe

On November 14, 2006, Novell issued the following revised fixes.

For 1.0.6:

http://support.novell.com/servlet/filedownload/sec/ftf/gwim106hp2.exe

For 2.0.2:

http://support.novell.com/servlet/filedownload/sec/ftf/gwim202hp2.exe

The original Novell advisories are available at:

http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974452.htm
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974440.htm

The more recent Novell advisories are available at:

http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974732.htm
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974733.htm

Vendor URL:  support.novell.com/cgi-bin/search/searchtid.cgi?/2974732.htm (Links to External Site)
Cause:   Exception handling error

Message History:   None.


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