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RealPlayer RA5 Data Handling Heap Overflow Vulnerability

RealPlayer RA5 Data Handling Heap Overflow Vulnerability
Posted Dec 14, 2010
Authored by Chaouki Bekrar, VUPEN | Site vupen.com

VUPEN Vulnerability Research Team discovered a critical vulnerability in RealPlayer. The vulnerability is caused by a heap overflow error when handling malformed RA5 files, which could be exploited by remote attackers to execute arbitrary code by tricking a user into visiting a specially crafted web page.

tags | advisory, remote, web, overflow, arbitrary
MD5 | ac00e56456d8fa5dc43143d1c0d1f091

RealPlayer RA5 Data Handling Heap Overflow Vulnerability

Change Mirror Download
VUPEN Security Research - RealPlayer RA5 Data Handling Heap Overflow 
Vulnerability (VUPEN-SR-2010-31)

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


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

"RealPlayer is a media player available to play, manage and download all
your mp3,
flash and video files" from real.com


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

VUPEN Vulnerability Research Team discovered a critical vulnerability
in RealPlayer.

The vulnerability is caused by a heap overflow error when handling malformed
RA5 files, which could be exploited by remote attackers to execute arbitrary
code by tricking a user into visiting a specially crafted web page.


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

RealPlayer 11.0 - 11.1
RealPlayer SP 1.0 - 1.0.1
RealPlayer SP 1.0.2 - 1.1.1
RealPlayer SP 1.1.2 - 1.1.4
RealPlayer Enterprise 2.1.2
Mac RealPlayer 11.0 - 11.1
Mac RealPlayer 12.0.0.1444
Linux RealPlayer 11.0.2.1744


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

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

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


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

Organizations and corporations which are members of the VUPEN Threat
Protection Program (TPP) have been alerted about the vulnerability when it
was discovered by VUPEN, and have received a detailed detection guidance
to proactively protect national and critical infrastructures against
potential attacks exploiting this vulnerability:

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


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

Upgrade to fixed versions :
http://service.real.com/realplayer/security/12102010_player/en/


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

This vulnerability was discovered by Chaouki Bekrar of VUPEN Security


VIII. 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


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

http://www.vupen.com/english/research-vuln.php
http://service.real.com/realplayer/security/12102010_player/en/


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

2010-02-25 - Vendor notified
2010-12-05 - Status update received
2010-12-10 - Coordinated disclosure

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