iseemedia / Roxio / MGI Software LPViewer ActiveX control stack buffer overflows

Overview

The iseemedia LPViewer ActiveX control contains multiple stack buffer overflows, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

The iseemedia LPViewer ActiveX control, which is provided by the file LPControl.dll, is a component that was created by MGI Software. It was then acquired by Roxio, and then iseemedia after that. The LPViewer ActiveX control contains stack buffer overflows in the url(), toolbar(), and enableZoomPastMax() methods.

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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), an attacker may be able to execute arbitrary code with the privileges of the user. The attacker could also cause Internet Explorer (or the program using the WebBrowser control) to crash.

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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 LPViewer ActiveX control in Internet Explorer

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

{3F0EECCE-E138-11D1-8712-0060083D83F5}
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\{3F0EECCE-E138-11D1-8712-0060083D83F5}]
"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

848873

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MGI Software __ Affected

Updated: October 06, 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

Please disable the vulnerable control.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23848873 Feedback>).

Roxio __ Affected

Notified: June 18, 2007 Updated: October 06, 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

Please disable the vulnerable control.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23848873 Feedback>).

iseemedia __ Affected

Notified: August 22, 2008 Updated: October 06, 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

Please disable the vulnerable control.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23848873 Feedback>).

CVSS Metrics

Group	Score	Vector
Base	0	AV:–/AC:–/Au:–/C:–/I:–/A:–
Temporal	0	E:Not Defined (ND)/RL:Not Defined (ND)/RC:Not Defined (ND)
Environmental	0	CDP:Not Defined (ND)/TD:Not Defined (ND)/CR:Not Defined (ND)/IR:Not Defined (ND)/AR:Not Defined (ND)

References

• <http://support.microsoft.com/kb/240797&gt;
• <http://www.iseemedia.com/&gt;

Acknowledgements

This vulnerability was reported by Will Dormann of the CERT/CC.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2008-4384
Severity Metric:	1.82 Date Public: