VUPEN Security Research - Adobe Flash ExternalInterface Use-After-Free- Code Execution (Pwn2Own)

From: VUPEN Security Research <advisories@vupen.com>
To: bugtraq@securityfocus.com
Cc:
Subject: VUPEN Security Research - Adobe Flash ExternalInterface Use-After-Free- Code Execution (Pwn2Own)
Date:


VUPEN Security Research - Adobe Flash ExternalInterface Use-After-Free
Code Execution (Pwn2Own)

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.

The vulnerability is caused by a use-after-free error when interacting
with the "ExternalInterface" class from the browser, which could be
exploited to achieve code execution via a malicious web page.


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

Adobe Flash versions prior to 13.0.0.182


IV. SOLUTION
----------------

Upgrade to Adobe Flash v13.0.0.182.


V. CREDIT
--------------

This vulnerability was discovered by VUPEN Security.


VI. ABOUT VUPEN Security
---------------------------

VUPEN is the leading provider of defensive and offensive cyber security
intelligence and advanced zero-day research. All VUPEN's vulnerability
intelligence results exclusively from its internal and in-house R&D
efforts conducted by its team of world-class researchers.

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


VII. REFERENCES
----------------------

http://helpx.adobe.com/security/products/flash-player/apsb14-09.html
http://zerodayinitiative.com/advisories/ZDI-14-092/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0506


VIII. DISCLOSURE TIMELINE
-----------------------------

2014-01-28 - Vulnerability Discovered by VUPEN Security
2014-03-13 - Vulnerability Reported to Adobe During Pwn2Own 2014
2014-04-08 - Vulnerability Fixed by Adobe
2014-04-14 - Public disclosure





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