OS Command Injection in Centreon

1) OS Command Injection

EUVDB-ID: #VU25767

Risk: High

CVSSv4.0: 7.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2020-9463

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can execute arbitrary OS commands via shell metacharacters in the "server_ip " field in JSON data in an "api/internal.php?object=centreon_configuration_remote" request.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Centreon: 19.10.0 - 19.10.10

CPE2.3

• cpe:2.3:a:centreon:centreon:19.10.0:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.1:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.2:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.3:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.4:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.5:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.6:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.7:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.8:*:*:*:*:*:*:*
• cpe:2.3:a:centreon:centreon:19.10.9:*:*:*:*:*:*:*

External links

https://code610.blogspot.com/2020/02/postauth-rce-in-centreon-1910.html
https://github.com/centreon/centreon/commit/a6f60c1d51ed7644864068d0b9d3d2abc37daac1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.