对于ThinkPHP框架早期版本的一个SQL注入漏洞详细分析

$Model->where("id=%d and username='%s' and xx='%f'",array($id,$username,$xx))->select();

$Model->where("id=%d and username='%s' and xx='%f'",$id,$username,$xx)->select();

$model->query('select * from user where id=%d and status=%s',$id,$status);

$model->query('select * from user where id=%d and status=%s',array($id,$status));

protected function parseSql($sql,$parse) {
// 分析表达式
if(true === $parse) {
  $options = $this->_parseOptions();
  $sql =  $this->db->parseSql($sql,$options);
}elseif(is_array($parse)){ // SQL预处理
  $sql = vsprintf($sql,$parse);
}else{
  $sql  =  strtr($sql,array('__TABLE__'=>$this->getTableName(),'__PREFIX__'=>C('DB_PREFIX')));
}
$this->db->setModel($this->name);
return $sql;
}

http://localhost/Main?id=boo" or 1="1

http://localhost/Main?id=boo%22%20or%201=%221

$model=M('Peipeidui');
$m=$model->query('select * from peipeidui where name="%s"',$_GET['id']);
dump($m);exit;

$model=M('Peipeidui');
$m=$model->query('select * from peipeidui where name="%s"',array($_GET['id']));
dump($m);exit;

protected function parseSql($sql,$parse) {
// 分析表达式
if(true === $parse) {
  $options = $this->_parseOptions();
  $sql =  $this->db->parseSql($sql,$options);
}elseif(is_array($parse)){ // SQL预处理
  $parse = array_map(array($this->db,'escapeString'),$parse);//此行为新增代码
  $sql = vsprintf($sql,$parse);
}else{
  $sql  =  strtr($sql,array('__TABLE__'=>$this->getTableName(),'__PREFIX__'=>C('DB_PREFIX')));
}
$this->db->setModel($this->name);
return $sql;
}