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Microsoft JScript memory corruption vulnerability

Vulnerability Note VU#390044

Original Release Date: 2006-06-13 | Last Revised: 2006-06-13

Overview

Microsoft JScript contains a memory corruption vulnerability. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Microsoft JScript

According to Microsoft Security Bulletin MS06-023:

JScript is the Microsoft implementation of the ECMA 262 language specification (ECMAScript Edition 3). JScript is an interpreted, object-based scripting language. For more information see the product documentation.
The Problem

Microsoft JScript fails to properly release objects allowing in a memory corruption vulnerability to occur. When a specially crafted JScript file, or specially crafted web page containing JScript is accessed, system memory can be corrupted in a way that could allow a remote attacker to execute arbitrary code.

Considerations

For more information refer to Microsoft Security Bulletin MS06-023

Impact

A remote, unauthenticated attacker may be able to execute arbitrary code. If the attacked user is running with administrative privileges, the attacker could take complete control of an affected system.

Solution

Apply a patch from Microsoft

Microsoft addresses this vulnerability with the updates listed in Microsoft Security Bulletin MS06-023.

Disable Active Scripting

For instructions on how to disable Active Scripting in Microsoft Internet Explorer, please refer to the Internet Explorer section of the Securing Your Web Browser document.

A complete list of workarounds is available in Microsoft Security Bulletin MS06-023.

Vendor Information

390044
 
Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  June 13, 2006

Status

  Vulnerable

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

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

Addendum

Refer to http://www.microsoft.com/technet/security/Bulletin/MS06-023.mspx.

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


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Credit

This vulnerability was reported in Microsoft Security Bulletin MS06-023

This document was written by Jeff Gennari.

Other Information

CVE IDs: CVE-2006-1313
Severity Metric: 37.94
Date Public: 2006-06-13
Date First Published: 2006-06-13
Date Last Updated: 2006-06-13 19:41 UTC
Document Revision: 24

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