#VU69691 Use of Password Hash Instead of Password for Authentication in prometheus - CVE-2022-46146

Vulnerability identifier: #VU69691

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-46146

CWE-ID: CWE-836

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
prometheus
Other software / Other software solutions

Vendor: Prometheus

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to incorrect implementation of basic authentication. A remote attacker with knowledge of the password hash can authenticate against Prometheus without actual knowledge of the password.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

prometheus: 2.24.1 - 2.29.2, 2.30.0 - 2.39.2, 2.40.0 - 2.40.3

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External links
https://github.com/prometheus/prometheus/security/advisories/GHSA-4v48-4q5m-8vx4

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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?

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