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Adobe Flash Player Code Execution

Adobe Flash Player Code Execution
Posted Apr 19, 2013
Authored by Nicolas Joly, VUPEN | Site vupen.com

VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Flash Player. The vulnerability is caused by an object confusion error when processing malformed Real Time Messaging Protocol (RTMP) data received during the initial phase of communication with a server, which could be exploited by remote attackers to compromise a vulnerable system via a malicious web page. Adobe Flash Player versions prior to 11.7.700.169 are affected.

tags | advisory, remote, web, protocol
advisories | CVE-2013-2555
SHA-256 | a61b22a16c3befda80224c940393c4411503ad1032eee6935dce23f0995ad911

Adobe Flash Player Code Execution

Change Mirror Download
VUPEN Security Research - Adobe Flash Player RTMP Data Processing Object
Confusion Code Execution (CVE-2013-2555)

Website : http://www.vupen.com

Twitter : http://twitter.com/vupen


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

Adobe Flash Player is a cross-platform browser-based application runtime
that delivers viewing of expressive applications, content, and videos
across screens and browsers. It is installed on 98% of computers.


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

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Adobe Flash Player.

The vulnerability is caused by an object confusion error when processing
malformed Real Time Messaging Protocol (RTMP) data received during the
initial phase of communication with a server, which could be exploited
by remote attackers to compromise a vulnerable system via a malicious
web page.


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

Adobe Flash Player versions prior to 11.7.700.169


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

In-depth technical analysis of the vulnerability and a fully functional
remote code execution exploit are available through the VUPEN BAE
(Binary Analysis & Exploits) portal:

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 Flash Player version 11.7.700.169.


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

This vulnerability was discovered by Nicolas Joly of VUPEN Security


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

VUPEN is the leading provider of defensive and offensive cybersecurity
intelligence and advanced vulnerability research. VUPEN solutions enable
corporations and governments to manage risks, and protect critical networks
and infrastructures against known and unknown vulnerabilities.

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/apsb13-11.html
http://www.vupen.com/english/research.php


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

2012-02-15 - Vulnerability Discovered by VUPEN
2013-03-06 - Vulnerability Exploited At Pwn2Own 2013 and Reported to Adobe
2013-04-17 - Public disclosure
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