J-Security Center

Title: Viewpoint Media Player AxMetaStream.DLL ActiveX Control Multiple Buffer Overflow Vulnerabilities

Severity: HIGH

Description:

Viewpoint Media Player is a browser plugin for viewing various types of digitial media.

The application is prone to multiple stack-based buffer-overflow vulnerabilities because it fails to perform adequate boundary checks on user-supplied input.

Specifically, these issues occur when strings greater than 6999 characters are passed as arguments to methods of the 'AxMetaStream.dll' ActiveX control library. The following methods are affected:

BroadcastKey()
BroadcastKeyFileURL()
Component()
ComponentClassID()
ComponentFileName()
ExtraProperty()
Properties()
RequiredVersions()
Source()
XMLText()

The ActiveX control is identified by CLSID: 03F998B2-0E00-11D3-A498-00104B6EB52E.
An attacker can exploit these issues to execute arbitrary code in the context of a user running the application. Failed attempts will likely result in denial-of-service conditions.

Viewpoint Media Player 3.2 is vulnerable; other versions may also be affected.

Affected Products:

  • Viewpoint Viewpoint Media Player 3.2

References:

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