A flaw was found in the Pacemaker configuration tool (pcs). The pcs daemon was allowing expired accounts, and accounts with expired passwords to login when using PAM authentication. Therefore, unprivileged expired accounts that have been denied access could still login.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pcs | Clusterlabs | * | 0.11.2 (including) |
| Red Hat Enterprise Linux 8 | RedHat | pcs-0:0.10.14-5.el8 | * |
| Red Hat Enterprise Linux 9 | RedHat | pcs-0:0.11.3-4.el9 | * |
| Pcs | Ubuntu | bionic | * |
| Pcs | Ubuntu | esm-apps/focal | * |
| Pcs | Ubuntu | esm-apps/jammy | * |
| Pcs | Ubuntu | focal | * |
| Pcs | Ubuntu | impish | * |
| Pcs | Ubuntu | jammy | * |
| Pcs | Ubuntu | trusty | * |
| Pcs | Ubuntu | upstream | * |
| Pcs | Ubuntu | xenial | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- https://huntr.dev/bounties/7aa921fc-a568-4fd8-96f4-7cd826246aa5
- https://lists.debian.org/debian-lts-announce/2022/09/msg00017.html
- https://www.debian.org/security/2022/dsa-5226
- https://huntr.dev/bounties/7aa921fc-a568-4fd8-96f4-7cd826246aa5
- https://lists.debian.org/debian-lts-announce/2022/09/msg00017.html
- https://www.debian.org/security/2022/dsa-5226