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iDefense Security Advisory 02.08.11: Adobe Shockwave Player Memory Corruption Vulnerability

2011-02-11T00:00:00

Description

iDefense Security Advisory 02.08.11 http://labs.idefense.com/intelligence/vulnerabilities/ Feb 08, 2011 I. BACKGROUND Adobe Shockwave Player is a popular Web browser plug-in. It is available for multiple Web browsers and platforms, including Windows, and MacOS. Shockwave Player enables Web browsers to display rich multimedia content in the form of Shockwave videos. For more information, see the vendor's site found at the following link: http://get.adobe.com/shockwave II. DESCRIPTION Remote exploitation of a memory corruption vulnerability in Adobe Systems Inc.'s Shockwave Player could allow an attacker to execute arbitrary code with the privileges of the current user. The vulnerability takes place during the processing of a malicious Adobe Director file. A malicious user could cause a memory corruption by including malformed data in a chunk. This condition may lead to arbitrary code execution. III. ANALYSIS Exploitation could result in the execution of arbitrary code with the privileges of the user viewing the Web page. To exploit this vulnerability, a targeted user must load a malicious Adobe Director file created by an attacker. An attacker typically accomplishes this via social engineering or injecting content into a compromised, trusted site. IV. DETECTION iDefense has confirmed the existence of this vulnerability in Shockwave Player version 11.5.8.612 and version 11.5.9.615 (the latest version at the time of testing). A full list of vulnerable Adobe products can be found in Adobe Security Bulletin APSB11-01. V. WORKAROUND The killbit for the Shockwave Player ActiveX control can be set by creating the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{233C1507-6A77-46A4-9443-F871F945D258} Under this key create a new DWORD value called "Compatibility Flags" and set its hexadecimal value to 400. To re-enable Shockwave Player set the "Compatibility Flags" value to 0. VI. VENDOR RESPONSE Adobe has addressed this issue with an update. Further details and patches can be found at the following URL. http://www.adobe.com/support/security/bulletins/apsb11-01.html VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2010-4187 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 11/03/2010 Initial Vendor Notification 11/03/2010 Initial Vendor Reply 02/08/2011 Coordinated Public Disclosure IX. CREDIT This vulnerability was reported to iDefense by Andrzej Dyjak. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2011 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@idefense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.


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