Vulnerability in Clusterlabs Pcs
CVE-2022-2735
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Clusterlabs Pcs
- Debian Linux — versions 11.0
- Clusterlabs/pcs — versions Affects v0.10.5 and later including all 0.11.x.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/09/01/4 (Mailing List, Third Party Advisory, Release Notes)
- access.redhat.com/security/cve/CVE-2022-2735 (Third Party Advisory)
- www.debian.org/security/2022/dsa-5226 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2735?
- CVE-2022-2735 is a high-severity vulnerability in Clusterlabs Pcs, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2022-09-06.
- How severe is CVE-2022-2735?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-2735 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.