bugtraq - ZDI-10-162: Adobe Shockwave Director rcsL Chunk Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BE556F67@emb01.unity.local>
Date: Tue, 24 Aug 2010 16:43:38 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "Full Disclosure (full-disclosure@...ts.grok.org.uk)" <full-disclosure@...ts.grok.org.uk>,
	"Bugtraq (bugtraq@...urityfocus.com)" <bugtraq@...urityfocus.com>
Subject: ZDI-10-162: Adobe Shockwave Director rcsL Chunk Remote Code
 Execution Vulnerability

ZDI-10-162: Adobe Shockwave Director rcsL Chunk Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-162
August 24, 2010

-- CVE ID:
CVE-2010-2873

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

-- Affected Vendors:
Adobe

-- Affected Products:
Adobe Shockwave Player

-- 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 parsing of the rcsL RIFF chunk
within director files of extension DIR or DCR. While parsing this
undocumented structure, the application blindly trusts an offset value
and uses it while operating on heap memory. An attacker can abuse this
to corrupt a function pointer which can lead to arbitrary code execution
under the context of the user running the web 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/apsb10-20.html

-- Disclosure Timeline:
2010-06-30 - Vulnerability reported to vendor
2010-08-24 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Damian Put

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