bugtraq - ZDI-06-040: WinZip FileView ActiveX Control Unsafe Method Exposure Vulnerability

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Message-ID: <OF66E139AA.64599C5D-ON88257226.00681182-88257226.00686FBB@3com.com>
Date: Tue, 14 Nov 2006 11:00:43 -0800
From: zdi-disclosures@...m.com
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Cc: zdi-disclosures@...m.com
Subject: ZDI-06-040: WinZip FileView ActiveX Control Unsafe Method Exposure
 Vulnerability

ZDI-06-040: WinZip FileView ActiveX Control Unsafe Method Exposure
            Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-06-040.html
November 14, 2006

-- CVE ID:
CVE-2006-5198

-- Affected Vendor:
WinZip

-- Affected Products:
WinZip 10.0 (pre build 7245)

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since September  5, 2006 by Digital Vaccine protection
filter ID 4671. For further product information on the TippingPoint IPS:

    http://www.tippingpoint.com 

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
systems with vulnerable installations of WinZip. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page.

The specific flaw exists within the ActiveX control
WZFILEVIEW.FileViewCtrl.61, CLSID:

    A09AE68F-B14D-43ED-B713-BA413F034904

A re-branded version of the "FileView" ActiveX control developed by Sky
Software. The object is marked "Safe for Scripting" and exposes several
unsafe methods which can be leveraged to result in arbitrary code
execution with no further interaction.

-- Vendor Response:
WinZip has issued build 7245 to correct this vulnerability. More details
can be found at:

http://www.winzip.com/wz7245.htm

-- Disclosure Timeline:
2006.08.28 - Vulnerability reported to vendor
2006.09.05 - Digital Vaccine released to TippingPoint customers
2006.11.14 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by an anonymous researcher.

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, a division of 3Com, The Zero Day Initiative
(ZDI) represents a best-of-breed model for rewarding security
researchers for responsibly disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is used.
3Com does not re-sell the vulnerability details or any exploit code.
Instead, upon notifying the affected product vendor, 3Com provides its
customers with zero day protection through its intrusion prevention
technology. Explicit details regarding the specifics of the
vulnerability are not exposed to any parties until an official vendor
patch is publicly available. Furthermore, with the altruistic aim of
helping to secure a broader user base, 3Com provides this vulnerability
information confidentially to security vendors (including competitors)
who have a vulnerability protection or mitigation product.