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Adobe Acrobat / Reader Picture Dimensions Heap Overflow

Adobe Acrobat / Reader Picture Dimensions Heap Overflow
Posted Sep 14, 2011
Authored by Nicolas Joly, VUPEN | Site vupen.com

VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Acrobat and Reader. The vulnerability is caused by a heap overflow error when processing a picture file with malformed dimensions, which could be exploited by attackers to compromise a vulnerable system by tricking a user into opening a specially crafted PDF document.

tags | advisory, overflow
MD5 | 721c66c2a82da0a59c1571773e195988

Adobe Acrobat / Reader Picture Dimensions Heap Overflow

Change Mirror Download
VUPEN Security Research - Adobe Acrobat and Reader Picture Dimensions Heap 
Overflow Vulnerability

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

Twitter : http://twitter.com/vupen


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.

The vulnerability is caused by a heap overflow error when processing a
picture file with malformed dimensions, which could be exploited by
attackers to compromise a vulnerable system by tricking a user
into opening a specially crafted PDF document.


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

Adobe Acrobat and Reader X (10.1) and prior
Adobe Acrobat and Reader 9.4.5 and prior
Adobe Acrobat and Reader 8.3 and prior


IV. Binary Analysis & Exploits/PoCs
---------------------------------------

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

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


VUPEN Binary Analysis & Exploits Service provides private exploits and
in-depth technical analysis of the most significant public vulnerabilities
based on disassembly, reverse engineering, protocol analysis, and code
audit.

The service allows governments and major corporations to evaluate risks, and
protect infrastructures and assets against new threats. The service also
allows security vendors (IPS, IDS, AntiVirus) to supplement their internal
research efforts and quickly develop both vulnerability-based and
exploit-based signatures to proactively protect their customers from attacks
and emerging threats.


V. VUPEN Threat Protection Program
-----------------------------------

Governments and major corporations which are members of the VUPEN Threat
Protection Program (TPP) have been proactively alerted about the
vulnerability
when it was discovered by VUPEN in advance of its public disclosure, and
have received a detailed attack detection guidance to protect national and
critical infrastructures against potential 0-day attacks exploiting this
vulnerability:

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


VI. SOLUTION
----------------

Upgrade to Adobe Acrobat and Reader X (10.1.1), Adobe Acrobat and Reader
v9.4.6
or Adobe Acrobat and Reader v8.3.1.


VII. CREDIT
--------------

This vulnerability was discovered by Nicolas Joly of VUPEN Security


VIII. ABOUT VUPEN Security
---------------------------

VUPEN is the world leader in vulnerability research for defensive and
offensive cyber security. VUPEN solutions enable corporations and
governments
to measure and manage risks, eliminate vulnerabilities before they can be
exploited, and protect critical infrastructures and assets against known and
unknown vulnerabilities.

VUPEN has been recently recognized as "Company of the Year in the
Vulnerability
Research Market (2011)" by Frost & Sullivan.

VUPEN solutions include:

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

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


IX. REFERENCES
----------------------

http://www.adobe.com/support/security/bulletins/apsb11-24.html
http://www.vupen.com/english/research.php


X. DISCLOSURE TIMELINE
-----------------------------

2011-07-20 - Vulnerability Discovered by VUPEN and shared with TPP customers
2011-09-14 - Public disclosure

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