Vulnerability Laboratory [Research Team] - snup ([email protected]) [http://snup1.blogspot.com]VULNERLAB:601
Document Title:
===============
GuestBook Scripts PHP v1.5 - Multiple Web Vulnerabilities
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=601
Release Date:
=============
2012-06-10
Vulnerability Laboratory ID (VL-ID):
====================================
601
Common Vulnerability Scoring System:
====================================
7.5
Product & Service Introduction:
===============================
GuestBook Script PHP is a script that is very easy to install, administer and use on your website.
Visitors to your website can leave comments and feedback. Also you can use it for testimonials.
Features of GuestBook Script PHP:
password protected administrator page
converts easily to any language
full control over the visual style
simple one step installation
easy to place on your webpage - copy and paste a single line of code
select only the fields that you want to appear on the GuestBook form
ability to set mandatory(required) fields on the GuestBook form
each comment poster will be able to upload own photo (icon/avatar)
rating stars option for the feedback
emoticons support with show/hide option
limit the number of characters in the comment area
set the number of comments per page
sort the order of entries
create a list of words that will be banned from the GuestBook
create a list of IP addresses that will be banned from using the GuestBook
prevention of HTML and javascript injections
choose between two types of captcha antispam code - simple and reCaptcha
100% stop spam by using the reCaptcha image
different captcha image themes to suit your website colors
ability to approve comments/feedback before they are viewed publicly
edit email address where all new entries notifications will be sent to
option to send thank you message to the commenter after posting
RSS Feed validated by W3C
full source code supplied
Requirements: PHP 4.3 or higher and MySQL 3 or higher running on your webserver.
Current stable version of GuestBook Script PHP is 1.5
( Copy of the Vendor Homepage: http://www.guestbookscripts.com )
Abstract Advisory Information:
==============================
The Vulnerability Laboratory Research Team discovered multiple different web vulnerabilities in GuestBook Scripts PHP 1.5 CMS.
Vulnerability Disclosure Timeline:
==================================
2012-06-11: Public or Non-Public Disclosure
Discovery Status:
=================
Published
Exploitation Technique:
=======================
Remote
Severity Level:
===============
High
Technical Details & Description:
================================
1.1
Multiple SQL Injection vulnerabilities are detected in the GuestBook Scripts PHP 1.5 Content Management System.
The vulnerability allows an attacker (remote) or local low privileged user account to inject/execute own sql
commands on the affected application dbms without user inter action. Successful exploitation of the vulnerability
results in dbms & application compromise. The vulnerabilities are located in the guestbook.php or admin.php files
and the bound parameters p, orderType & orderBy. The sql injection vulnerabilities can be exploited by remote attackers without user
inter action & without privileged user account.
Vulnerable File(s):
[+] guestbook.php
[+] admin.php
Vulnerable Parameter(s):
[+] orderType
[+] p
[+] orderBy
1.2
Multiple non persistent cross site scripting vulnerabilities are detected in the GuestBook Scripts PHP 1.5 Content Management System.
The vulnerability allows remote attackers to hijack website customer, moderator or admin sessions with high required
user inter action or local low privileged user account. Successful exploitation can result in account steal, phishing
& client-side content request manipulation. The vulnerabilities are located in the admin.php file and the bound parameters.
Vulnerable File(s):
[+] admin.php
Vulnerable Parameter(s):
[+] search
[+] p
[+] orderType
Proof of Concept (PoC):
=======================
1.1
The SQL Injection vulnerabilities can be exploited by remote attackers with and without privileged user account.
User inter action is not required for exploitation. For demonstration or reproduce ...
http://127.0.0.1:80/cms/guestbook.php?p=[SQL-INJECTION]
http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=&orderBy=[SQL-INJECTION]
http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[SQL-INJECTION]
1.2
The persistent vulnerabilities can be exploited by remote attackers without privileged user account & with low
required user inter action. For demonstration or reproduce ...
http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=&orderBy=[CROSS SITE SCrIPTING]
http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=[CROSS SITE SCrIPTING]
http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[CROSS SITE SCrIPTING]
Security Risk:
==============
1.1
The security risk of the sql injection vulnerabilities are estimated as high.
1.2
The security risk of the input validation vulnerabilities are estiamted as low(+)
Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - snup ([email protected]) [http://snup1.blogspot.com]
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=========================
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