bugtraq - ZDI-10-115: Adobe Flash Player AVM newFrameState Integer Overfow Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BD3C37CC@emb01.unity.local>
Date: Fri, 25 Jun 2010 11:24:22 -0500
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-10-115: Adobe Flash Player AVM newFrameState Integer Overfow
 Remote Code Execution Vulnerability

ZDI-10-115: Adobe Flash Player AVM newFrameState Integer Overfow Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-115
June 25, 2010

-- CVE ID:
CVE-2010-2160

-- Affected Vendors:
Adobe

-- Affected Products:
Adobe Flash Player

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8499. 
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 Flash 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 AVM bytecode verifier. Specifically,
the newFrameState method performs arithmetic when calculating the size
of a stack frame. It implicitly trusts the max_scope and max_stack
variables as obtained from the bytecode. By crafting specific values,
the integer indicating the size of the frame can be made to overflow.
This value is later used during memory copy operations which an attacker
can influence to gain arbitrary code execution 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:
2009-06-26 - Vulnerability reported to vendor
2010-06-25 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- About the Zero Day Initiative (ZDI):
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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

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TippingPoint provides its customers with zero day protection through
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