CVE & CISA-KEV Catalog

CVE-2022-2735

HIGH
7.8
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
pcsDebian
Fixed in:0.10.8-1+deb11u1CVE-2022-2735
Fixed in:0.11.3-2CVE-2022-2735
Fixed in:0.11.3-2CVE-2022-2735
Fixed in:0.11.3-2CVE-2022-2735
pcsUbuntu
Fixed in:0.9.149-1ubuntu1.1+esm1USN-7614-1
Fixed in:0.10.4-3ubuntu0.1~esm1USN-7614-1
Fixed in:0.10.11-2ubuntu3+esm1USN-7614-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.30%probability of exploitation in 30 days
22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-0632Critical9.894%KEV-
CVE-2017-11610High8.888%-Fix
CVE-2023-29919Critical9.160%--
CVE-2019-17124Critical9.823%--
CVE-2020-12608High7.822%-Fix
CVE-2021-3437Critical9.816%-Fix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.