Ipswitch WhatsUp Gold Remote Buffer Overflow Vulnerability

iDEFENSE Security Advisory 08.25.04

http://www.idefense.com/application/poi/display?type=vulnerabilities

August 25, 2004

I. BACKGROUND

Ipswitch WhatsUp Gold is a Microsoft Windows based network monitoring

application. More information is available at:

http://www.Ipswitch.com/products/whatsup/index.html

II. DESCRIPTION

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.

III. ANALYSIS

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.

IV. DETECTION

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.

V. WORKAROUND

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

VI. VENDOR RESPONSE

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

VII. CVE INFORMATION

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 (http://cve.mitre.org),

which standardizes names for

security problems.

VIII. DISCLOSURE TIMELINE

08/12/2004 Initial vendor notification

08/12/2004 iDEFENSE clients notified

08/12/2004 Initial vendor response

08/25/2004 Public disclosure

IX. CREDIT

The discoverer wishes to remain anonymous.

Get paid for vulnerability research

http://www.idefense.com/poi/teams/vcp.jsp

X. LEGAL NOTICES

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 customerservice (at) idefense (dot) com [email concealed] 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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