Message-ID: <AF6E290B52139041BD6CA591212E455B576470675E@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 14 Jun 2011 22:02:48 +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-11-212: Adobe Shockwave KEY* Chunk Invalid
 Size Remote Code Execution Vulnerability

ZDI-11-212: Adobe Shockwave KEY* Chunk Invalid Size Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-212

June 14, 2011

-- CVE ID:
CVE-2011-2111

-- 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 11354. 
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 Adobe Shockwave. 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 way Shockwave handles KEY* elements
in a Director file. The Shockwave player will allocate memory with a
size taken from the Shockwave file but will always copy a few bytes into
that allocation. KEY* sizes smaller then 4 will therefore cause an
overwrite of the allocation. By cleverly crafting the input file, an
attacker can leverage this to execute remote code under the context of
the current user.

-- 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:
2011-05-12 - Vulnerability reported to vendor
2011-06-14 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Luigi Auriemma

-- About the Zero Day Initiative (ZDI):
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