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AUSCERT External Security Bulletin Redistribution
ESB-2004.0483 -- iDEFENSE Security Advisory 08.02.04
Netscape/Mozilla SOAPParameter Constructor Integer Overflow Vulnerability
05 August 2004
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AusCERT Security Bulletin Summary
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Product: Netscape 7.0 and 7.1
Mozilla 1.6
Publisher: iDEFENSE
Impact: Execute Arbitrary Code/Commands
Access Required: Remote
CVE Names: CAN-2004-0722
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Netscape/Mozilla SOAPParameter Constructor Integer Overflow
Vulnerability
www.idefense.com/application/poi/display?id=117&type=vulnerabilities
August 2, 2004
iDEFENSE Security Advisory 08.02.04:
I. BACKGROUND
SOAP is an XML-based messaging protocol which defines a set of rules for
structuring messages, and can be used for web based applications.
II. DESCRIPTION
Improper input validation to the SOAPParameter object constructor in
Netscape and Mozilla allows execution of arbitrary code.
The SOAPParameter object's constructor contains an integer overflow
which allows controllable heap corruption.
A web page can be constructed to leverage this into remote execution of
arbitrary code.
III. ANALYSIS
Successful exploitation allows the remote attacker to execute arbitrary
code in the context of the user running the browser.
IV. DETECTION
Netscape version 7.0 and 7.1 have been confirmed to be vulnerable.
Mozilla 1.6 is also vulnerable to this issue. It is suspected that
earlier versions of both browsers may also be vulnerable.
Netscape 7.1 is the latest version of Netscape available. Netscape have
not released any information indicating they are intending to release
future versions of the Netscape browser, and no longer have any
developers working on this project.
The latest release of the Mozilla browser, 1.7.1, is not affected by
this vulnerability. The Mozilla browser may be considered as an
alternative to Netscape.
V. WORKAROUNDS
Disable Javascript in the browser.
Consider upgrading to the latest version of Mozilla.
VI. VENDOR RESPONSE
Mozilla 1.7.1 is available for download at:
http://www.mozilla.org/products/mozilla1.x/
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CAN-2004-0722 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
01/17/2004 Exploit acquired by iDEFENSE.
03/05/2004 Bug sent to Netscape Security Bug form at
http://cgi.netscape.com/cgi-bin/bug-security.cgi
03/05/2004 Bug entered into bugzilla.mozilla.org
http://bugzilla.mozilla.org/show_bug.cgi?id=236618
03/05/2004 iDEFENSE clients notified
07/09/2004 Patch submitted into Mozilla source tree.
http://bugzilla.mozilla.org/show_bug.cgi?id=236618#c22
08/02/2004 Public disclosure
IX. CREDIT
zen-parse (zen-parse at gmx.net) is credited with this discovery.
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@idefense.com 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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