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Category:   Application (Multimedia)  >   Cisco WebEx Player Vendors:   Cisco
Cisco WebEx Player Buffer Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027639
SecurityTracker URL:  http://securitytracker.com/id/1027639
CVE Reference:   CVE-2012-3936, CVE-2012-3937, CVE-2012-3938, CVE-2012-3939, CVE-2012-3940, CVE-2012-3941   (Links to External Site)
Date:  Oct 10 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in Cisco WebEx Player. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted WRF file that, when loaded by the target user, will trigger a buffer overflow or heap overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Cisco has assigned Cisco Bug IDs CSCua40962, CSCtz72967, CSCtz73583, CSCua61331, CSCtz72958, and CSCtz72850 to these vulnerabilities.

Beyond Security, Core Security, Codenomicon, and TELUS reported these vulnerabilities.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix (27.32.10 (T27LDSP32EP10), 28.4 (T28.4)).

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-webex

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-webex (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any), UNIX (OS X), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Wed, 10 Oct 2012 12:10:54 -0400
Subject:  Cisco Security Advisory: Multiple Vulnerabilities in the Cisco WebEx Recording Format Player

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Multiple Vulnerabilities in the Cisco WebEx Recording Format Player

Advisory ID: cisco-sa-20121010-webex

Revision 1.0

For Public Release 2012 October 10 16:00  UTC (GMT)
- ----------------------------------------------------------------------

Summary
=======

The Cisco WebEx Recording Format (WRF) player contains six buffer
overflow vulnerabilities. In some cases, exploitation of the
vulnerabilities could allow a remote attacker to execute arbitrary
code on the system with the privileges of a targeted user. 

The Cisco WebEx WRF Player is an application used to play back WRF
WebEx meeting recordings that have been recorded on a WebEx meeting
site or on the computer of an online meeting attendee. The Cisco WebEx
WRF Player can be automatically installed when the user accesses a
recording file that is hosted on a WebEx meeting site. The Cisco WebEx
WRF Player can also be manually installed for offline playback after
downloading the application from:
http://www.webex.com/play-webex-recording.html.

If the Cisco WebEx WRF Player was automatically installed, it will be
automatically upgraded to the latest, nonvulnerable version when users
access a recording file that is hosted on a WebEx meeting site. If the
Cisco WebEx WRF Player was manually installed, users will need to
manually install a new version of the Cisco WebEx WRF Player after
downloading the latest version from:
http://www.webex.com/play-webex-recording.html.

Cisco has updated affected versions of the WebEx meeting sites and
Cisco WebEx WRF Player to address these vulnerabilities. 

This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-webex

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