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Adobe Shockwave iml32.dll CSWV Chunk Byte Array Parsing Remote Code Execution

Adobe Shockwave iml32.dll CSWV Chunk Byte Array Parsing Remote Code Execution
Posted Jun 16, 2011
Authored by Aaron Portnoy, Logan Brown | Site tippingpoint.com

A 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 CSWV chunk inside Adobe's RIFF-based Director file format. The code within the IML32.dll does not properly parse byte arrays. This can lead to memory corruption which can be leveraged to execute arbitrary code under the context of the user running the browser.

tags | advisory, remote, arbitrary
advisories | CVE-2011-2111
MD5 | 8550437e636f78c105f8f277ebf5455d

Adobe Shockwave iml32.dll CSWV Chunk Byte Array Parsing Remote Code Execution

Change Mirror Download
TPTI-11-09: Adobe Shockwave iml32.dll CSWV Chunk Byte Array Parsing Remote Code Execution Vulnerability

http://dvlabs.tippingpoint.com/advisory/TPTI-11-09

June 15, 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 11352.
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 CSWV chunk inside Adobe's RIFF-based
Director file format. The code within the IML32.dll does not properly
parse byte arrays. 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:
2011-04-25 - Vulnerability reported to vendor
2011-06-15 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
* Logan Brown and Aaron Portnoy, TippingPoint DVLabs

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