Message-ID: <AF6E290B52139041BD6CA591212E455B576470675C@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 14 Jun 2011 22:01:23 +0000
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>, 
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-211: Adobe Shockwave Shockwave 3d
 Asset.x32 DEMX Chunk 0xFFFFFF49 Field Remote Code Execution Vulnerability

ZDI-11-211: Adobe Shockwave Shockwave 3d Asset.x32 DEMX Chunk 0xFFFFFF49 Field Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-211

June 14, 2011

-- CVE ID:
CVE-2011-2113

-- CVSS:
7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)

-- Affected Vendors:
Adobe

-- Affected Products:
Adobe Shockwave Player

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11362. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of the Adobe Shockwave Player. User interaction
is required to exploit this vulnerability in that the target must visit
a malicious page or open a malicious file.

The specific flaw exists within the DEMX chunk inside Adobe's RIFF-based
Director file format. The code within the Shockwave 3d Asset.x32 module
does not properly check a size value used as the size for a malloc. The
given size will wrap, causing a small buffer to be allocated. This can
lead to memory corruption which can be leveraged to execute arbitrary
code under the context of the user running the browser.

-- Vendor Response:
Adobe has issued an update to correct this vulnerability. More
details can be found at:

http://www.adobe.com/support/security/bulletins/apsb11-17.html

-- Disclosure Timeline:
2011-04-20 - Vulnerability reported to vendor
2011-06-14 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Aniway (Aniway.Anyway@...il.com)

-- About the Zero Day Initiative (ZDI):
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    http://www.zerodayinitiative.com

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