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Adobe Acrobat And Reader "pushstring" Memory Corruption

Adobe Acrobat And Reader "pushstring" Memory Corruption
Posted Jul 1, 2010
Authored by Nicolas Joly | Site vupen.com

VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Acrobat and Reader. This vulnerability is caused by a memory corruption error when processing the "pushstring" (bytecode 0x2C) or "debugfile" (bytecode 0xF1) operators while parsing Flash content within a PDF document, which could be exploited by attackers to execute arbitrary code by tricking a user into opening a malicious PDF file.

tags | advisory, arbitrary
advisories | CVE-2010-2201
MD5 | 847df728e38dc76a38d242838d14f36f

Adobe Acrobat And Reader "pushstring" Memory Corruption

Change Mirror Download
VUPEN Security Research - Adobe Acrobat and Reader "pushstring" Memory 
Corruption Vulnerability (CVE-2010-2201)

http://www.vupen.com/english/research.php


I. BACKGROUND
---------------------

"Adobe Acrobat and Reader are the global standards for electronic
document sharing. They are used to create, view, search, digitally
sign, verify, print, and collaborate on Adobe PDF files."


II. DESCRIPTION
---------------------

VUPEN Vulnerability Research Team discovered a critical vulnerability in
Adobe Acrobat and Reader.

This vulnerability is caused by a memory corruption error when processing
the "pushstring" (bytecode 0x2C) or "debugfile" (bytecode 0xF1) operators
while parsing Flash content within a PDF document, which could be exploited
by attackers to execute arbitrary code by tricking a user into opening a
malicious PDF file.


III. AFFECTED PRODUCTS
---------------------------

Adobe Reader version 9.3.2 and prior
Adobe Acrobat version 9.3.2 and prior


IV. Binary Analysis & Proof-of-concept
---------------------------------------

In-depth binary analysis of the vulnerability and a code execution exploit
are available through the VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/english/services/ba-index.php


V. SOLUTION
----------------

Upgrade to Adobe Acrobat and Reader version 9.3.3 or 8.2.3.


VI. CREDIT
--------------

This vulnerability was discovered by Nicolas Joly of VUPEN Security


VII. ABOUT VUPEN Security
---------------------------

VUPEN is a leading IT security research company providing vulnerability
management and security intelligence solutions which enable enterprises
and institutions to eliminate vulnerabilities before they can be exploited,
ensure security policy compliance and meaningfully measure and manage risks.

Governmental and federal agencies, and global enterprises in the financial
services, insurance, manufacturing and technology industries rely on VUPEN
to improve their security, prioritize resources, cut time and costs, and
stay ahead of the latest threats.

* VUPEN Vulnerability Notification Service (VNS) :
http://www.vupen.com/english/services/vns-index.php

* VUPEN Binary Analysis & Exploits Service (BAE) :
http://www.vupen.com/english/services/ba-index.php

* VUPEN Threat Protection Program for Govs (TPP) :
http://www.vupen.com/english/services/tpp-index.php

* VUPEN Web Application Security Scanner (WASS) :
http://www.vupen.com/english/services/wass-index.php


VIII. REFERENCES
----------------------

http://www.vupen.com/english/advisories/2010/1636
http://www.adobe.com/support/security/bulletins/apsb10-15.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2201


IX. DISCLOSURE TIMELINE
-----------------------------

2010-03-10 - Vendor notified
2010-03-10 - Vendor response
2010-06-20 - Status update received
2010-06-29 - Coordinated public Disclosure

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