bugtraq - Oracle HTTP Server Cross Site Scripting Vulnerabillity

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Message-ID: <000501c3e260$0a7a4970$0b3016ac@fucku>
Date: Sat, 24 Jan 2004 11:54:21 +0200
From: "Rafel Ivgi, The-Insider" <theinsider@....net.il>
To: "bugtraq" <bugtraq@...urityfocus.com>
Cc: "securitytracker" <bugs@...uritytracker.com>
Subject: Oracle HTTP Server Cross Site Scripting Vulnerabillity

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Software:        Oracle HTTP Server Powered by Apache
Vendor:           http://www.apache.com
                         http://www.oracle.com
Versions:        Oracle HTTP Server Powered by Apache/1.3.22 (Win32)
mod_plsql/3.0.9.8.3b mod_ssl/2.8.5 OpenSSL/0.9.6b mod_fastcgi/2.2.12
mod_oprocmgr/1.0 mod_perl/1.25
Platforms:       Windows
Bug:                 Cross Site Scripting Vulnerabillity
Risk:                Low
Exploitation:     Remote with browser
Date:               24 Jan 2004
Author:            Rafel Ivgi, The-Insider
e-mail:             the_insider@...l.com
web:                http://theinsider.deep-ice.com

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1) Introduction
2) Bug
3) The Code

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

===============
1) Introduction
===============

Apache is the most common unix server in the world. It is strong and safe.
Oracle HTTP Server is a modified, custom apache server that was created by
apache for oracle.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

======
2) Bug
======

The Vulnerabillity is Cross Site Scripting. If an attacker will request the
following
url from the server:
http://<host>/isqlplus?action=logon&username=sdfds%22%3e%3cscript%3ealert('X
SS')%3c/script%3e\&password=dsfsd%3cscript%3ealert('XSS')%3c/script%3e
Or
http://<host>/isqlplus?action=<script>alert('XSS')</script>
XSS appears and the server allows an attacker to inject & execute scripts.

In the words of securityfocus.com :
~~~~~~~~~~~~~~~~~~~~~~~~~~

If all of these circumstances are met, an attacker may be able to exploit
this issue
via a malicious link containing arbitrary HTML and script code as part of
the hostname.
When the malicious link is clicked by an unsuspecting user, the
attacker-supplied HTML
and script code will be executed by their web client. This will occur
because the server
will echo back the malicious hostname supplied in the client's request,
without sufficiently
escaping HTML and script code.

Attacks of this nature may make it possible for attackers to manipulate web
content or to
steal cookie-based authentication credentials. It may be possible to take
arbitrary actions as the victim user.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

===========
3) The Code
===========

http://<host>/isqlplus?action=logon&username=sdfds%22%3e%3cscript%3ealert('X
SS')%3c/script%3e\&password=dsfsd%3cscript%3ealert('XSS')%3c/script%3e
http://<host>/isqlplus?action=<script>alert('XSS')</script>

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

---
Rafel Ivgi, The-Insider
http://theinsider.deep-ice.com

"Things that are unlikeable, are NOT impossible."