jNews 7.5.1 Information Disclosure

`[ TITLE ....... ][ jNews (jnewscore7.5.1) information disclosure  
[ DATE ........ ][ 07.04.2012  
[ AUTOHR ...... ][ http://hauntit.blogspot.com  
[ SOFT LINK ... ][ http://joomla.org  
[ VERSION ..... ][ 7.5.1  
[ TESTED ON ... ][ LAMP  
[ ----------------------------------------------------------------------- [  
  
[ 1. What is this?  
[ 2. What is the type of vulnerability?  
[ 3. Where is bug :)  
[ 4. More...  
  
[--------------------------------------------[  
[ 1. What is this?  
This is very nice component to Joomla CMS, You should try it! ;)  
  
[--------------------------------------------[  
[ 2. What is the type of vulnerability?  
Information disclosure. Normal user can add 'wrong input' to forms, and thats  
how he find out what is Your Joomla* location.  
  
[--------------------------------------------[  
[ 3. Where is bug :)  
Its just an example, there are more info-disclo bugs in this component. Anyway:  
  
Go to: http://joomla/index.php/en/component/jnews/ to 'Search' something You want.  
At 'search' form type '.   
  
Thats all. For vulnerable php.ini You should see something like:  
"Warning: Invalid argument supplied for foreach() in   
/home/kuba/www/joomla/administrator/components/com_jnews/classes/class.mailing.php on line 70  
  
Warning: array_merge() [function.array-merge]: Argument #1 is not an array in   
/home/kuba/www/joomla/administrator/components/com_jnews/classes/frontend.php on line 1667"  
  
Vulnerable parameter is 'emailsearch'.  
  
[--------------------------------------------[  
[ 4. More...  
  
- http://joobi.co  
- http://www.joomla.org  
- http://hauntit.blogspot.com  
- http://www.google.com  
- http://portswigger.net  
[  
[--------------------------------------------[  
[ Ask me about new projects @ mail. ;)  
]  
[ Best regards  
[   
  
`