Mail.com Cross Site Scripting Vulnerability

["Digital Shadow" <dshadow@xxxxxxxxxxx>]

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Mail.com Cross Site Scripting Vulnerability   
Ministry-of-Peace - www.ministryofpeace.co.uk 
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SYNOPSIS

Mail.com offers free webmail services, which are used
by tens of thousands of people around the world.
The site suffers from a CSS vulnerability, giving a
malicious user the ability to view the site cookies of
any user currently logged in.
 

IMPACT

If a malicious user can get the mail.com user to follow
a simple link, then they can grab that users mail.com
cookies and possibly use them to authenticate as that
user.


WORKING EXAMPLE

Log into your mail.com account, and then go to:
http://mymail.mail.com/scripts/common/forgotpasswd.cgi?login=<p><script>document.writeln(document.cookie)</script></p>


CREDITS

Vulnerability discovered by Digital Shadow.


INFO

Security Advisory #03
Published: 03rd January 2002











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