MS07-064 is not categorized as virus, worm, Trojan or backdoor. It is a group of critical vulnerabilities in different versions of DirectX on Windows Vista/2003/XP/2000 computers, which allows arbitrary code to be remotely executed in the vulnerable computer.
The addressed vulnerabilities are:
- Microsoft DirectX Code Execution Vulnerability Parsing SAMI Files.
- Microsoft DirectX Code Execution Vulnerability Parsing WAV and AVI Files.
If exploited successfully, MS07-064 allows hackers to gain remote control of the affected computer with the same privileges as the logged on user. If this user had administrator rights, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc.
This vulnerability is usually exploited by creating a specially crafted file and enticing users to open it. This malicious file can be sent via email or hosted in a website.
If you have any of the vulnerable versions of DirectX, it is recommended to download and apply the security patch for this vulnerability. Click here to check which versions of DirectX are vulnerable and to access the web page for downloading the patch.
Moreover, bear in mind that this bulletin replaces a previous one, called MS05-050. This replacement does not affect computers with Windows Vista.