Intrusion Prevention

MS.IE.OnBeforeUnload.Browser.Entrapment

Description

This indicates an attack attempt against a URL spoofing vulnerability in Microsoft Internet Explorer 7.
The vulnerability is caused by an error when the vulnerable software handles document.open() call. It allows a remote attacker to prevent users from leaving a site, spoof the address or launch phishing attack.

Affected Products

Microsoft Internet Explorer 7.0

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply patch, available from the website:
http://www.microsoft.com/technet/security/Bulletin/ms07-057.mspx

CVE References

CVE-2007-3826