Simple Blog PHP v1.0 - Multiple Web Vulnerabilities

Document Title:
===============
Simple Blog PHP v1.0  - Multiple Web Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=602


Release Date:
=============
2012-06-08


Vulnerability Laboratory ID (VL-ID):
====================================
602


Common Vulnerability Scoring System:
====================================
7.5


Product & Service Introduction:
===============================
Simple Blog PHP script installs easily into your existing website layout. Visitors to your website can read your 
posts and leave comments. Any publication of a new comment is spam protected by using captcha verification. 
Administrator has their own password protected page. Simple Blog PHP requires PHP and MySQL to run on your server, 
so please make sure your hosting meet the requirements. Current stable version of Simple Blog PHP is v1.0.

Simple Blog PHP support these features:

    multiple language support
    simple css setup with unlimited visual combinations at your control
    installation is an easy single step process
    copy and paste only one line of code to insert the blog on your web page
    text/html editor for the post text
    image, flash and youtube clips supported in the post text
    search for posts option
    number of posts per page
    sort the order of comments
    server time offset for the comments time
    option to create a list with banned words
    prevention of HTML injections
    approve comments before having them listed
    email address where all new comments notifications will be sent to
    Blog RSS Feed - validated by W3C

(Copy of the Vendor Homepage: http://www.simpleblogphp.com )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory Research Team discovered multiple different web vulnerabilities in Simple Blog PHP v1.0 CMS.


Vulnerability Disclosure Timeline:
==================================
2012-06-08:	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 Simple Blog PHP 1.0 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 blog.php & admin.php files and bound values orderBy & id.

Vulnerable File(s):
				[+] blog.php
				[+] admin.php

Vulnerable Parameter(s):
				[+] id
				[+] orderBy

1.2
Multiple non persistent cross site scripting vulnerabilities are detected in the Simple Blog PHP 1.0 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 preview.php and admin.php files and the 
bound values post_id, orderType, search & orderby.

Vulnerable File(s):
				[+] blog.php
				[+] admin.php

Vulnerable Parameter(s):
				[+] post_id
				[+] orderType
				[+] search
				[+] orderBy


Proof of Concept (PoC):
=======================
1.1
The sql injection vulnerabilities can be exploited by remote attackers without required user inter action & without 
privileged user account. For demonstration or reproduce ...

PoC:
http://127.0.0.1:8080/cms/blog.php?id=-1'[SQL-INJECTION] --
http://127.0.0.1:8080/cms/blog/admin.php?act=posts&orderType=[ASC/DESC]&search=&orderBy=-1'[SQL-INJECTION] --
http://127.0.0.1:8080/cms/blog/admin.php?act=comments&post_id=&orderType=[ASC|DESC]&search=&orderBy=-1'[SQL-INJECTION] --
http://127.0.0.1:8080/cms/blog/admin.php?act=posts&orderType=-1'[SQL-INJECTION] --
http://127.0.0.1:8080/cms/blog/admin.php?act=comments&post_id=&orderType=-1'[SQL-INJECTION] --


1.2
The non persistent cross site scripting vulnerabilities can be exploited by remote attacker with medium or high required 
user inter action & without privileged user account. For demonstration or reproduce ...

PoC:
http://127.0.0.1:8080/cms/blog.php?id=`&p=`&search=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=posts&orderType=[ASC|DESC]&search=&orderBy=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=posts&orderType=[ASC|DESC]&search=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=posts&orderType=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=comments&post_id=&orderType=[ASC|DESC]&search=&orderBy=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=comments&post_id=&orderType=[ASC|DESC]&search=>"<[CROSS SITE SCRIPTING]
http://127.0.0.1:8080/cms/blog/admin.php?act=comments&post_id=&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 medium(+)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team]  -    snup ([email protected]) [http://snup1.blogspot.com]



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