ITS ADVISORY NUMBER:
Vulnerability in Windows Media Format Runtime Could Allow Remote Code Execution (2847883)
A remote code execution vulnerability exists in Windows Media Format Runtime. Windows Media Format Runtime is a multimedia framework for media creation and distribution for Microsoft Windows. The vulnerability could allow remote code execution if a user opens a specially crafted media file. Successful exploitation of this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
- Windows Media Format Runtime v11
- Windows Media Format Runtime v9.5
- Windows Media Player v11
- Windows Media Player v12
- Large and medium government entities: High
- Small government entities: High
- Large and medium business entities: High
- Small business entities: High
Home users: High
The vulnerability could allow remote code execution if a user opens a specially crafted media file. The details of the vulnerability are as follows:
- [CVE-2013-3127] WMV Video Decoder Remote Code Execution Vulnerability
This vulnerability is caused when Windows Media Player fails to properly parse specially crafted media files.
Successful exploitation of this vulnerability could result in an attacker gaining the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
We recommend the following actions be taken:
- Apply appropriate patches provided by Microsoft to vulnerable systems immediately after appropriate testing.
- Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
- Remind users not to open email attachments from unknown users or suspicious emails from trusted sources.
- Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
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