Vulnerability Note VU#457281

Microsoft Windows Win32 API fails to properly validate function parameters

Original Release date: 12 Jun 2007 | Last revised: 12 Jun 2007

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.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Microsoft CorporationAffected-12 Jun 2007
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A 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
  • Date Public: 12 Jun 2007
  • Date First Published: 12 Jun 2007
  • Date Last Updated: 12 Jun 2007
  • Severity Metric: 15.75
  • Document Revision: 3

Feedback

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