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Multiple Cisco WebEx WRF Player Vulnerabilities
Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Recording Format (WRF) Player. In some cases, exploitation of the vulnerabilities could allow a remote attacker to execute arbitrary code on the system of a targeted user.
The Cisco WebEx WRF Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an on-line meeting attendee. The WRF Player can be automatically installed when the user accesses a WRF file that is hosted on a WebEx server. The WRF Player can also be manually installed for offline playback after downloading the application from www.webex.com.
If the WRF Player was automatically installed, the WebEx WRF Player will be automatically upgraded to the latest, non-vulnerable version when users access a WRF file hosted on a WebEx server. If the WebEx WRF Player was manually installed, users will need to manually install a new version of the player after downloading the latest version from www.webex.com.
Cisco has released free software updates that address these vulnerabilities.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20091216-webex.shtml.
