bugtraq - [eVuln] phphg Guestbook Multiple Vulnerabilities

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Date: 11 Feb 2006 21:11:55 -0000
From: alex@...ln.com
To: bugtraq@...urityfocus.com
Subject: [eVuln] phphg Guestbook Multiple Vulnerabilities

New eVuln Advisory:
phphg Guestbook Multiple Vulnerabilities
http://evuln.com/vulns/58/summary.html

--------------------Summary----------------
eVuln ID: EV0058
CVE: CVE-2006-0602 CVE-2006-0603 CVE-2006-0604
Vendor: Hinton Design
Vendor's Web Site: http://www.hintondesign.org
Software: phphg Guestbook
Sowtware's Web Site: http://www.hintondesign.org/downloads/view_cat.php?cat_id=45
Versions: 1.2
Critical Level: Moderate
Type: Multiple Vulnerabilities
Class: Remote
Status: Unpatched. No reply from developer(s)
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
1. Authentication Bypass
Vulnerable script: check.php

There are two ways to bypass authentication:

a) SQL Injection
Variable $HTTP_POST_VARS[username] isn't properly sanitized before being used in a SQL query. This can be used to make any SQL query by injecting arbitrary SQL code.
Condition: magic_quotes_gpc - off

b) Cookie based authentication
check.php script dont make password comparisson when identifying user by cookies

2. Multiple Cross-Site Scripting
Vulnerable script: signed.php
Variables $HTTP_POST_VARS[location] $HTTP_POST_VARS[website] $HTTP_POST_VARS[message] are not properly sanitized. This can be used to post arbitrary html or script code.

3. SQL Injections in administrator control panel
Vulnerable scripts:
admin/edit_smilie.php
admin/add_theme.php
admin/ban_ip.php
admin/add_lang
admin/edit_filter

Variable $HTTP_GET_VARS[id] variable isn't properly sanitized. This can be used to make any SQL query by injecting arbitrary SQL code.
Condition: magic_quotes_gpc - off

--------------Exploit----------------------
Available at: http://evuln.com/vulns/58/exploit.html

--------------Solution---------------------
No Patch available.

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)