This indicates an attack attempt to exploit a Memory Corruption vulnerability in Cisco WebEx ARF Player.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted ARF file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted ARF file.
Cisco WebEx Business Suite (WBS29) client builds prior to T29.2
Cisco WebEx Business Suite (WBS28) client builds prior to T28.12
Cisco WebEx Business Suite (WBS27) client builds prior to T27LDSP32EP16 (27.32.16)
Cisco WebEx 11 versions prior to 1.2.10 with client builds prior to T28.12
Cisco WebEx Meetings Server client builds prior to 18.104.22.1687
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.