This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects a remote buffer overflow vulnerability in Windows Media Player.
Microsoft Windows Media Player is a multimedia application available for the Windows operating system.
The Microsoft Windows Media Player is prone to a remote code-execution vulnerability when handling specially crafted media content. Specifically, the issue affects the windows multimedia library ('winmm.dll') when parsing a specially-crafted 'MTrk' chunk of a MIDI file.
An attacker can exploit this issue by enticing an unsuspecting user to view a malicious webpage.
Successful exploits will allow the attacker to execute arbitrary code in the context of the user running the application which can compromise the application and possibly the computer.
- Various Windows platforms
The vendor released an advisory and updates to address this issue. Please see the references for more information.