Remote command execution in Cacti

1) Improper Authorization

EUVDB-ID: #VU70426

Risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2022-46169

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient authorization within the Remote Agent when handling HTTP requests with a custom Forwarded-For HTTP header. A remote non-authenticated attacker can send a specially crafted HTTP request  to the affected instance and execute arbitrary OS commands on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cacti: 1.2.0 beta1 - 1.2.22

CPE2.3

• cpe:2.3:a:the_cacti_group:cacti:1.2.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:the_cacti_group:cacti:1.2.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:the_cacti_group:cacti:1.2.0:beta3:*:*:*:*:*:*

External links

https://github.com/Cacti/cacti/security/advisories/GHSA-6p93-p743-35gf
https://github.com/Cacti/cacti/commit/b43f13ae7f1e6bfe4e8e56a80a7cd867cf2db52b
https://github.com/Cacti/cacti/commit/a8d59e8fa5f0054aa9c6981b1cbe30ef0e2a0ec9
https://github.com/Cacti/cacti/commit/7f0e16312dd5ce20f93744ef8b9c3b0f1ece2216
https://www.zerodayinitiative.com/advisories/ZDI-23-093/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.