#VU67056 Improper Authentication in pcs - CVE-2022-1049

Vulnerability identifier: #VU67056

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-1049

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pcs
Web applications / Remote management & hosting panels

Vendor: ClusterLabs

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to pcs daemon allows expired accounts, and accounts with expired passwords to login when using PAM authentication. A remote user with an expired account can still access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pcs: 0.10 - 0.11.2

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External links
https://huntr.dev/bounties/7aa921fc-a568-4fd8-96f4-7cd826246aa5
https://www.debian.org/security/2022/dsa-5226

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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.