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ZDI-10-110: Adobe Flash Player Multiple Tag JPEG Parsing Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Wed, 16 Jun 2010 14:13:10 -0500

ZDI-10-110: Adobe Flash Player Multiple Tag JPEG Parsing Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-110
June 16, 2010

-- CVE ID:
CVE-2010-2171

-- Affected Vendors:
Adobe

-- Affected Products:
Adobe Flash Player

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Adobe Flash Player. User interaction is
required in that a target must visit a malicious website.

The specific flaw exists within the code for parsing embedded image data
within SWF files. The DefineBits tag and several of its variations are
prone to a parsing issue while handling JPEG data. Specifically, the
vulnerability is due to decompression routines that do not validate
image dimensions sufficiently before performing operations on heap
memory. An attacker can exploit this vulnerability 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/apsb10-14.html

-- Disclosure Timeline:
2010-06-08 - Vulnerability reported to vendor
2010-06-16 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous
    * Tielei Wang, from ICST-ERCIS, Peking University

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, 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. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint 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, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi
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