Incorrect Default Permissions The advisory has been revoked - it doesn't affect any version of package pcs (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2210-PCS-3066814
- published3 Sept 2022
- disclosed6 Sept 2022
Introduced: 3 Sep 2022
CVE-2022-2735 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:22.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pcs package and not the pcs package as distributed by Ubuntu.
A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-2735
- https://access.redhat.com/errata/RHSA-2022:6312
- https://access.redhat.com/errata/RHSA-2022:6313
- https://access.redhat.com/errata/RHSA-2022:6314
- https://access.redhat.com/errata/RHSA-2022:6341
- https://access.redhat.com/security/cve/CVE-2022-2735
- https://bugzilla.redhat.com/show_bug.cgi?id=2116815
- https://www.debian.org/security/2022/dsa-5226
- https://www.openwall.com/lists/oss-security/2022/09/01/4