#VU62057 Unprotected storage of credentials in Apache Nifi - CVE-2022-26850

Vulnerability identifier: #VU62057

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Nifi
Server applications / Database software

Vendor: Apache Foundation

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

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

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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.