Yahoo! Music Jukebox YMP Datagrid ActiveX control stack buffer overflows

Overview

The Yahoo! Music Jukebox YMP Datagrid ActiveX control contains multiple stack buffer overflows, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Yahoo! Music Jukebox is a music player for Microsoft Windows, which includes multiple ActiveX controls. The YMP Datagrid ActiveX control, which is provided by datagrid.dll, contains multiple stack buffer overflows. For example, the AddImage() and AddButton() methods are vulnerable.

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Impact

By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), a remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user on a vulnerable system.

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Solution

Apply an update

This vulnerability is addressed in Yahoo! Media Jukebox version 2.2.2.058, which comes with datagrid.dll version 2.2.2.58. This update may be applied with the automatic update functionality of the Yahoo! Media Jukebox software, or you can install it manually. Please see the Yahoo! Music Jukebox Security Update for more details.

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Disable the YMP Datagrid ActiveX control in Internet Explorer

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

{5F810AFC-BB5F-4416-BE63-E01DD117BD6C}
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 this control:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\``{5F810AFC-BB5F-4416-BE63-E01DD117BD6C}``]
"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.

Upgrade to Internet Explorer 7

Upgrading Internet Explorer to version 7 or later may help mitigate this vulnerability through its ActiveX opt-in feature. This feature is designed to prompt the user before using ActiveX controls that are already installed on the system.

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Vendor Information

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Yahoo, Inc. __ Affected

Updated: February 13, 2008

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

This vulnerability is addressed in Yahoo! Media Jukebox version 2.2.2.058, which comes with datagrid.dll version 2.2.2.58. This update may be applied with the automatic update functionality of the Yahoo! Media Jukebox software, or you can install it manually. Please see the Yahoo! Music Jukebox Security Update for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23101676 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://help.yahoo.com/l/us/yahoo/music/jukebox/troubleshoot/securityupdate.html&gt;
• <http://secunia.com/advisories/28757/&gt;
• <http://support.microsoft.com/kb/240797&gt;

Acknowledgements

This vulnerability was publicly disclosed by Krystian Kloskowski

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2008-0623, CVE-2008-0624
Severity Metric:	21.42 Date Public: