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CERT Coordination Center

Microsoft Windows Vista Weather Gadget vulnerability

Vulnerability Note VU#542808

Original Release Date: 2007-08-15 | Last Revised: 2007-08-15


The Windows Vista Weather gadget contains a vulnerability that may allow and attacker to execute code.


From Microsoft Security Bulletin MS07-048:

Gadgets are mini-applications designed to provide the user with information or utilities. Windows Vista treats gadgets similar to the way Windows Vista treats other executable code. Gadgets are written using HTML and script, but this HTML is not located on an arbitrary remote server as web pages are. HTML content in the Gadget is downloaded first as part of a package of resources and configuration files and then executed from the local computer. This download process is similar to applications (.exe files) downloaded from the Internet.

The Windows Vista Weather gadget contains a vulnerability that occurs because the gadget does not properly parse HTML attributes.

To exploit this vulnerability, an attacker may need to be able to intercept a data stream destined for the weather gadget and inject malicious content.


A remote, unauthenticated attacker may be able to execute arbitrary code, or create a denial-of-service condition.


Microsoft has released update MS07-048 to address this issue.

Disable the Weather gadget

Until updates can be applied, disabling the Weather gadget will mitigate this vulnerability. To disable the Weather gadget, see the workarounds section of Microsoft Security Bulletin MS07-048.

Vendor Information

Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  August 15, 2007



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.


See for more details.

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



Thanks to Microsoft for information that was used in this report.

This document was written by Ryan Giobbi.

Other Information

CVE IDs: CVE-2007-3891
Severity Metric: 2.92
Date Public: 2007-08-14
Date First Published: 2007-08-15
Date Last Updated: 2007-08-15 13:05 UTC
Document Revision: 18

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