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Microsoft Windows Win32 API fails to properly validate function parameters

Vulnerability Note VU#457281

Original Release Date: 2007-06-12 | Last Revised: 2007-06-12

Overview

The Microsoft Windows Win32 API fails to properly validate function parameters, which could allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

The Microsoft Windows Win32 API is a set of application programming interfaces for the Microsoft Windows operating system. The Win32 API allows applications to interact with the Windows operating system. The Microsoft Windows Win32 API fails to properly validate function parameters.

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 elevated privileges. Any application that uses the Win32 API, such as Internet Explorer or Outlook Express, may be vulnerable.

Solution

Apply an update

This update is addressed by Microsoft Security Bulletin MS07-035.


Read and send email in plain text format

According to the Microsoft Security Bulletin:

You can help protect yourself against this vulnerability by changing your e-mail settings to read e-mail messages in plain text using Outlook 2002 and later, Outlook Express 6 and later, or Windows Mail. For information in Outlook, search “plain text” in Help and review “Read messages in plain text.” In Outlook Express, search “plain text” in Help and review “Reducing your risk of getting e-mail viruses.” In Windows Mail, search “plain text” in Help and review “Security and privacy in Windows Mail.”
Please also consider the security of fellow Internet users and send email in plain text format when possible.

Vendor Information

457281
Expand all

Microsoft Corporation

Updated:  June 12, 2007

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

This update is addressed by Microsoft Security Bulletin MS07-035.

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 by Microsoft, who in turn credit Billy Rios of VeriSign.

This document was written by Will Dormann.

Other Information

CVE IDs: CVE-2007-2219
Severity Metric: 15.75
Date Public: 2007-06-12
Date First Published: 2007-06-12
Date Last Updated: 2007-06-12 20:07 UTC
Document Revision: 3

Sponsored by the Department of Homeland Security Office of Cybersecurity and Communications.