A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker to execute arbitrary code on a system. An attacker could exploit this vulnerability by providing a user with a malicious .arf file via email or URL and convincing the user to launch the file. Exploitation of this vulnerability could allow arbitrary code execution on the system of the targeted user. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCve10729, CSCve10771, CSCve10779, CSCve11521, CSCve11543.

A vulnerability in Cisco WebEx Network Recording Player for WebEx Recording Format (WRF) files could allow an attacker to cause a denial of service (DoS) condition. An attacker could exploit this vulnerability by providing a user with a malicious WRF file via email or URL and convincing the user to open the file. A successful exploit could cause an affected player to crash, resulting in a DoS condition. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, and Cisco WebEx WRF players. Cisco Bug IDs: CSCve30294, CSCve30301.