dedecms的变量覆盖漏洞导致注入漏洞
做啦
dedecms的变量覆盖漏洞导致注入漏洞
文件是：include/filter.inc.php 防御方法 /include/filter.inc.php /** * 过滤不相关内容 * * @access public * @param string $fk 过滤键 * @param string $svar 过滤值 * @return string */ $magic_quotes_gpc = ini_get('magic_quotes_gpc'); function _FilterAll($fk, &$svar) { global $cfg_notallowstr,$cfg_replacestr; if( is_array($svar) ) { foreach($svar as $_k => $_v) { $svar[$_k] = _FilterAll($fk,$_v); } } else { if($cfg_notallowstr!='' && preg_match("#".$cfg_notallowstr."#i", $svar)) { ShowMsg(" $fk has not allow words!",'-1'); exit(); } if($cfg_replacestr!='') { $svar = preg_replace('/'.$cfg_replacestr.'/i', "***", $svar); } } if (!$magic_quotes_gpc) { $svar = addslashes($svar); } return addslashes($svar); // return $svar; }
文件是：include/filter.inc.php 防御方法 /include/filter.inc.php /** * 过滤不相关内容 * * @access public * @param string $fk 过滤键 * @param string $svar 过滤值 * @return string */ $magic_quotes_gpc = ini_get('magic_quotes_gpc'); function _FilterAll($fk, &$svar) { global $cfg_notallowstr,$cfg_replacestr; if( is_array($svar) ) { foreach($svar as $_k => $_v) { $svar[$_k] = _FilterAll($fk,$_v); } } else { if($cfg_notallowstr!='' && preg_match("#".$cfg_notallowstr."#i", $svar)) { ShowMsg(" $fk has not allow words!",'-1'); exit(); } if($cfg_replacestr!='') { $svar = preg_replace('/'.$cfg_replacestr.'/i', "***", $svar); } } if (!$magic_quotes_gpc) { $svar = addslashes($svar); } return addslashes($svar); // return $svar; }
