JE Guestbook 1.0 Joomla Component Multiple Remote Vulnerabilities
Name JE Guestbook
Vendor http://www.joomlaextensions.co.in
Versions Affected 1.0
Author Salvatore Fresta aka Drosophila
Website http://www.salvatorefresta.net
Contact salvatorefresta [at] gmail [dot] com
Date 2010-09-30
X. INDEX
I. ABOUT THE APPLICATION
II. DESCRIPTION
III. ANALYSIS
IV. SAMPLE CODE
V. FIX
I. ABOUT THE APPLICATION
________________________
JE Guest Component is an open source Joomla guestbook
component with spam protection and many customization
options.
II. DESCRIPTION
_______________
Some parameters are not properly sanitised.
III. ANALYSIS
_____________
Summary:
A) Local File Inclusion
B) Multiple Blind SQL Injection
A) Local File Inclusion
_______________________
Input passed to the "view" parameter in jeguestbook.php
(when option is set to com_jeguestbook) is not properly
verified before being used to include files. This can be
exploited to include arbitrary files from local
resources via directory traversal attacks and
URL-encoded NULL bytes.
B) Multiple Blind SQL Injection
_______________________________
Many parameters are not properly sanitised before being
used in SQL queries.This can be exploited to manipulate
SQL queries by injecting arbitrary SQL code.
IV. SAMPLE CODE
_______________
A) Local File Inclusion
http://site/path/index.php?option=com_jeguestbook&view=../../../../../../../../etc/passwd%00
B) Multiple Blind SQL Injection
http://site/path/index.php?option=com_jeguestbook&view=item_detail&d_itemid=-1 OR (SELECT(IF(0x41=0x41, BENCHMARK(999999999,NULL),NULL)))
V. FIX
______
No fix.