Cisco WebEx Network Recording Player PROVIDER ARF File Integer Underflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cisco WebEx Network Recording Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the PROVIDER.DLL module. Crafted data in an ARF file can trigger an integer underflow before a memory write operation. An attacker can leverage this vulnerability to execute code in the context of the current process.