VUPEN Security Research - Adobe Acrobat and Reader BMP Data Buffer Overflow
Vulnerability

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 buffer overflow error when processing
malformed BitMap (BMP) data, which could be exploited by attackers to
execute arbitrary code by tricking a user into opening a specially crafted
PDF document.


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

Adobe Reader version 9.3.1 and prior
Adobe Reader version 8.2.1 and prior
Adobe Acrobat version 9.3.1 and prior
Adobe Acrobat version 8.2.1 and prior



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

In-depth binary analysis of the vulnerability and a code execution
exploit with DEP bypass have been released by VUPEN through the
VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/exploits/


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

Upgrade to Adobe Acrobat and Reader version 9.3.2 or 8.2.2.


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

The 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:

http://www.vupen.com/english/services/

* VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/exploits/


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

http://www.vupen.com/english/advisories/2010/0873
http://www.adobe.com/support/security/bulletins/apsb10-09.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0203


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

2010-03-16 - Vendor notified
2010-03-16 - Vendor response
2010-04-07 - Status update received
2010-04-13 - Coordinated public Disclosure