Move Networks Quantum Streaming Player ActiveX stack buffer overflows

Overview

The Move Networks Quantum Streaming Player ActiveX controls contain multiple stack buffer overflows, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Move Networks Quantum Streaming Player is an ActiveX video player for use in the Internet Explorer web browser. The Quantum Streaming Player ActiveX controls contain stack buffer overflow vulnerabilities in the Buzzer() and Play() methods.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system with privileges of the user.

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Solution

We are currently unaware of a practical solution to this problem. Please consider the following workarounds

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Disable the Quantum Streaming Player ActiveX controls in Internet Explorer

The vulnerable ActiveX controls can be disabled in Internet Explorer by setting the kill bit for the following CLSIDs:

{e3e02f12-2adb-478c-8742-5f0819f9f0f4}
{e473a65c-8087-49a3-affd-c5bc4a10669b}
More information about how to set the kill bit is available in Microsoft Support Document 240797. Alternatively, the following text can be saved as a .REG file and imported to set the kill bit for these controls:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{e3e02f12-2adb-478c-8742-5f0819f9f0f4}]
"Compatibility Flags"=dword:00000400

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{e473a65c-8087-49a3-affd-c5bc4a10669b}]
"Compatibility Flags"=dword:00000400
Disable ActiveX

Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities. Instructions for disabling ActiveX in the Internet Zone can be found in the “Securing Your Web Browser” document.

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Vendor Information

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Move Networks, Inc. __ Affected

Notified: May 17, 2007 Updated: September 04, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please disable the vulnerable ActiveX controls.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23298345 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

<http://secunia.com/advisories/26600/&gt;

Acknowledgements

This vulnerability was discovered by Will Dormann of the CERT/CC. It was also independently discovered and publicly disclosed by Parvez Anwar.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2007-4722
Severity Metric:	5.68 Date Public: