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Re: URL spoofing bug involving Firefox's error pages and document.write



hi ,jplopezy:

 IN "http://hi.baidu.com/xisigr/blog/item/edbcba00011864de267fb55a.html";,
127.0.0.1 is just a fictitious example.

See real examplesïhttp://xisigr.googlepages.com/firefoxspoofingïtest 1
is my,test 2 is your.some "%20" for display a "white space" in the
Status Bar.


On Mon, Jul 27, 2009 at 5:47 PM, Juan Pablo Lopez
Yacubian<jplopezy@xxxxxxxxx> wrote:
> xisigr
>
> in my opinion not is the same bug because the method is very diferent, and
> also your poc don' t work, anyway for more information you can enter ( if
> you have a account) in bugzilla, i report it : 2008-08-23
>
> https://bugzilla.mozilla.org/show_bug.cgi?id=451898
>
>
> see you
>
> 2009/7/27 xu shaopei <xisigr@xxxxxxxxx>
>>
>> http://hi.baidu.com/xisigr/blog/item/edbcba00011864de267fb55a.html
>>
>> On Sat, Jul 25, 2009 at 4:46 AM, <jplopezy@xxxxxxxxx> wrote:
>> >
>> > Application: Firefox 3.0.11
>> > OS: Windows XP - SP3
>> > ------------------------------------------------------
>> > 1 - Description
>> > 2 - Vulnerability
>> > 3 - POC/EXPLOIT
>> > ------------------------------------------------------
>> > Description
>> >
>> > This software is a popular web browser that supports multiple platforms
>> > as (windows,linux,macos).
>> >
>> > ------------------------------------------------------
>> > Vulnerability
>> >
>> > The bug is caused when you try to open a url with a invalid char, in
>> > this time, you can edit the error page, and make a "spoof".
>> >
>> > This not would be important because when you make the spoof the "invalid
>> > web" is loading all time, but as firefox allow that you call the "stop"
>> > method of other page you can stop this.
>> >
>> > The result of this is a fake page.
>> >
>> > ------------------------------------------------------
>> > ÂPOC/EXPLOIT
>> >
>> > The poc is a simple script that have a window.open(), it calls the url
>> > with invalid char, the invalid char can be a "," or "%" is important that
>> > you add some "%20" for display a "white space" in the url.
>> >
>> > http://es.geocities.com/jplopezy/firefoxspoofing.html
>> >
>> > PD : I send this to bugzilla
>> > ------------------------------------------------------
>> > ÂJuan Pablo Lopez Yacubian
>
>