Unprotected storage of credentials in Apache NiFi

1) Unprotected storage of credentials

EUVDB-ID: #VU62057

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26850

CWE-ID: CWE-256 - Unprotected Storage of Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to other users' credentials.

The vulnerability exists due to the storage of username and a bcrypt hash of the configured password in the Login Identity Providers configuration file. A remote user can view contents of the configuration file and gain access to passwords for 3rd party integration.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Nifi: 1.14.0 - 1.15.3

CPE2.3

• cpe:2.3:a:apache_foundation:apache_nifi:1.14.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi:1.15.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_nifi:1.15.1:*:*:*:*:*:*:*

External links

https://nifi.apache.org/security.html#CVE-2022-26850
https://www.openwall.com/lists/oss-security/2022/04/06/2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated 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.