Microsoft DirectAnimation Path ActiveX control Spline method integer overflow

2006-11-14T00:00:00
ID VU:813588
Type cert
Reporter CERT
Modified 2006-11-14T21:18:00

Description

Overview

A vulnerability in the Microsoft DirectAnimation ActiveX controls may allow a remote attacker to execute arbitrary code on an affected system.

Description

Microsoft's DirectAnimation is a suite of development functionality, predating Microsoft DirectX, that provides animation support for Web applications and other software. This suite includes a number of COM objects and is provided by default with a number of versions of the Windows operating system.

An integer overflow vulnerability exists in the way the DirectAnimation.PathControl COM object (daxctle.ocx) handles an overly large argument supplied to the Spline method. This vulnerability could cause an invalid memory write, allowing a remote attacker to execute arbitrary code or cause a denial of service.


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. The attacker could also cause Internet Explorer (or the program using the WebBrowser control) to crash.


Solution

Apply a patch from the vendor

Microsoft has published Microsoft Security Bulletin MS06-067 in response to this issue. Users are encouraged to review this bulletin and apply the patches it refers to.


Workarounds

In addition to the patches referred to above, Microsoft Security Bulletin MS06-067 also contains a number of workarounds for this issue. Users, particularly those who are unable to apply the patches are encouraged to implement these workarounds.


Vendor Information

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Microsoft Corporation __ Affected

Notified: August 29, 2006 Updated: November 14, 2006

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

Microsoft has published Microsoft Security Bulletin MS06-067 in response to this issue. Users are encouraged to review this bulletin and apply the patches it refers to.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

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References

Acknowledgements

This vulnerability was publicly reported by nop of XSec.

This document was written by Chad Dougherty based on information supplied by Microsoft.

Other Information

CVE IDs: | CVE-2006-4446
---|---
Severity Metric: | 50.87
Date Public: | 2006-08-28
Date First Published: | 2006-11-14
Date Last Updated: | 2006-11-14 21:18 UTC
Document Revision: | 9