VULHUB ™

### 简要描述： 这几天在尝试做一款PHP源码审计工具，匹配一些初步的规则时扫出来的，并非针对，感谢CmsEasy~ ### 详细说明： 还是INSERT注入，/index.php下有一个stats::getbot();这个方法在做什么呐？ /lib/table/stats.php ``` public static function getbot() { $ServerName = $_SERVER["SERVER_NAME"]; $ServerPort = $_SERVER["SERVER_PORT"]; $ScriptName = $_SERVER["SCRIPT_NAME"]; $QueryString = $_SERVER["QUERY_STRING"]; $serverip = $_SERVER["REMOTE_ADDR"]; $GetLocationURL=self::geturl(); $agent1 = $_SERVER["HTTP_USER_AGENT"]; $agent=strtolower($agent1); $Bot=""; if(strpos($agent,"googlebot")>-1) { $Bot = "Google"; } if(strpos($agent,"mediapartners-google")>-1) { $Bot = "Google Adsense"; } if(strpos($agent,"baiduspider")>-1) { $Bot = "Baidu"; } if(strpos($agent,"sogou")>-1) { $Bot = "Sogou"; } if(strpos($agent,"yahoo")>-1) { $Bot = "Yahoo!"; } if(strpos($agent,"msn")>-1) { $Bot = "MSN"; } if(strpos($agent,"soso")>-1) { $Bot = "Soso"; } if(strpos($agent,"iaarchiver")>-1) { $Bot = "Alexa"; } if(strpos($agent,"sohu")>-1) { $Bot = "Sohu"; }...

### 简要描述： 这几天在尝试做一款PHP源码审计工具，匹配一些初步的规则时扫出来的，并非针对，感谢CmsEasy~ ### 详细说明： 还是INSERT注入，/index.php下有一个stats::getbot();这个方法在做什么呐？ /lib/table/stats.php ``` public static function getbot() { $ServerName = $_SERVER["SERVER_NAME"]; $ServerPort = $_SERVER["SERVER_PORT"]; $ScriptName = $_SERVER["SCRIPT_NAME"]; $QueryString = $_SERVER["QUERY_STRING"]; $serverip = $_SERVER["REMOTE_ADDR"]; $GetLocationURL=self::geturl(); $agent1 = $_SERVER["HTTP_USER_AGENT"]; $agent=strtolower($agent1); $Bot=""; if(strpos($agent,"googlebot")>-1) { $Bot = "Google"; } if(strpos($agent,"mediapartners-google")>-1) { $Bot = "Google Adsense"; } if(strpos($agent,"baiduspider")>-1) { $Bot = "Baidu"; } if(strpos($agent,"sogou")>-1) { $Bot = "Sogou"; } if(strpos($agent,"yahoo")>-1) { $Bot = "Yahoo!"; } if(strpos($agent,"msn")>-1) { $Bot = "MSN"; } if(strpos($agent,"soso")>-1) { $Bot = "Soso"; } if(strpos($agent,"iaarchiver")>-1) { $Bot = "Alexa"; } if(strpos($agent,"sohu")>-1) { $Bot = "Sohu"; } if(strpos($agent,"sqworm")>-1) { $Bot = "AOL"; } if(strpos($agent,"yodaobot")>-1) { $Bot = "Yodao"; } if(strpos($agent,"iaskspider")>-1) { $Bot = "Iask"; } if(strlen($Bot)>0 &&!front::get('admin_dir')) { $stats = self::getInstance(); $insert = $stats->rec_insert(array('bot'=>$Bot,'url'=>$GetLocationURL,'ip'=>$serverip,'time'=>date('Y-m-d H:i:s'))); //当发现是爬虫机器人时记录一来，这个$GetLocationURL是self::geturl();获取的 } } ``` 看geturl()方法： ``` public static function geturl() { if(!empty($_SERVER["REQUEST_URI"])) { //这里很明显的，从REQUEST_URI获取，是的，这样绕过了过滤，过滤方法见/lib/tool/front_class.php约328行 $scrtName = $_SERVER["REQUEST_URI"]; $nowurl = $scrtName; }else { $scrtName = $_SERVER["PHP_SELF"]; if(empty($_SERVER["QUERY_STRING"])) { $nowurl = $scrtName; }else { $nowurl = $scrtName."?".$_SERVER["QUERY_STRING"]; } } return (isset($_SERVER["HTTPS"])&&$_SERVER["HTTPS"] == "on")?'https://':'http://'.$_SERVER['HTTP_HOST'].$nowurl; } ``` REQUEST_URI是不会自动urldecode一次的，而新一点的浏览器都会自动编码，所以在命令行下curl最佳： 比如： ``` curl -A "this is googlebot" "http://localhost/test/CmsEasy/index.php?a=','','2000-1-1'),(database(),'2" ``` CmsEasy默认不报错，这点很好，所以想真正获取点数据啥的估计得用sqlmap延时了，只做分析 当然，以上过程是在发现注入点之后又补充的...直接REQUEST_URI,HTTP_USER_AGENT扫到的 ### 漏洞证明： 详细说明已经很全了...