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Category:   Application (Generic)  >   WhatsUp Vendors:   Ipswitch
Ipswitch WhatsUp Gold Buffer Overflow in '_maincfgret.cgi' Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011064
SecurityTracker URL:
CVE Reference:   CVE-2004-0798   (Links to External Site)
Date:  Aug 25 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.03
Description:   iDEFENSE reported a buffer overflow vulnerability in WhatsUp Gold. A remote user can execute arbitrary code on the target system.

It is reported that a remote user can send a request to the '_maincfgret.cgi' script on the web server with a specially crafted 'instancename' value to trigger the buffer overflow and execute arbitrary code. The code will run with the privileges of the user that started the WhatsUp Gold application.

The report indicates that the WhatsUp Gold web server is not enabled by default.

The vendor was reportedly notified on August 12, 2004.

The original advisory is available at:

Impact:   A remote user can execute arbitrary code on the target system with the privileges of the user that started WhatsUp Gold.
Solution:   The vendor has issued a fixed version (version 8.03 Hotfix 1).
Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents

Subject:  iDEFENSE Security Advisory 08.25.04: Ipswitch WhatsUp Gold Remote

Ipswitch WhatsUp Gold Remote Buffer Overflow Vulnerability

iDEFENSE Security Advisory 08.25.04
August 25, 2004


Ipswitch WhatsUp Gold is a Microsoft Windows based network monitoring
application. More information is available at:


Remote exploitation of a buffer overflow vulnerability in Ipswitch
Inc.'s WhatsUp Gold allows attackers to execute arbitrary code under the
privileges of the user that instantiated the application.

The problem specifically exists in the _maincfgret.cgi script accessible
through the web server installed by WhatsUp Gold. By posting a long
string for the value of 'instancename', a buffer overflow occurs
allowing an attacker to redirect the flow of control and eventually
execute arbitrary code.


Successful exploitation allows remote attackers to execute arbitrary
code under the privileges of the user that instantiated the application.
The WhatsUp Gold web server is not enabled by default.


iDEFENSE has confirmed the existence of this vulnerability against
WhatsUp Gold version 8.03. iDEFENSE has confirmed that the latest
version of WhatsUp Gold, version 8.03 Hotfix 1, is not vulnerable.


Disable the WhatsUp Gold web server if it is not required.


The buffer overflow is repaired in WhatsUp Gold, version 8.03 Hotfix 1.


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CAN-2004-0798 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


08/12/2004   Initial vendor notification
08/12/2004   iDEFENSE clients notified
08/12/2004   Initial vendor response
08/25/2004   Public disclosure


The discoverer wishes to remain anonymous.

Get paid for vulnerability research


Copyright (c) 2004 iDEFENSE, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDEFENSE. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically, please
email for permission.

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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