Improper Authentication in pcs - CVE-2022-1049

Vulnerability identifier: #VU67056

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2022-1049

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

pcs
Debian Linux
Anolis OS
Ubuntu
openEuler
Fedora
pcs (Ubuntu package)
pcs
pcs-snmp
pcs (Debian package)
pcs (Red Hat package)

Install updates from vendor's website.

pcs - update to 0.11.3
pcs (Ubuntu package) - addressed in versions 0.9.149-1ubuntu1.1+esm1, 0.10.4-3ubuntu0.1~esm1, 0.10.11-2ubuntu3+esm1
pcs - update to 0.10.5-2
pcs-snmp - update to 0.10.5-2
pcs (Debian package) - update to 0.10.8-1+deb11u1
pcs (Red Hat package) - addressed in versions 0.10.14-5.el8, 0.11.3-4.el9
pcs - update to 0.10.15-4.0.1
pcs-snmp - update to 0.10.15-4.0.1
pcs - update to 0.11.3-1.fc37

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

• Improper authentication in ClusterLabs pcs
• Debian update for pcs
• Red Hat Enterprise Linux High Availability 8 update for pcs
• Red Hat Enterprise Linux High Availability 9 update for pcs
• openEuler update for pcs
• Fedora 37 update for pcs
• Anolis OS update for pcs
• Ubuntu update for pcs