OS Command Injection in Apache NiFi

1) OS Command Injection

EUVDB-ID: #VU64418

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-33140

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 user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in ShellUserGroupProvider implementation. A remote authenticated user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Nifi: 1.10.0 - 1.16.2

Apache NiFi Registry: 0.6.0 - 1.16.2

CPE2.3

• cpe:2.3:a:apache_foundation:apache_nifi:1.10.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi:1.11.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi:1.11.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi_registry:0.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi_registry:0.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi_registry:0.8.0:*:*:*:*:*:*:*

External links

https://seclists.org/oss-sec/2022/q2/198

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.