#VU66985 Permissions, Privileges, and Access Controls in pcs - CVE-2022-2735
Published: September 5, 2022 / Updated: April 7, 2023
Vulnerability identifier: #VU66985
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2022-2735
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
pcs
pcs
Software vendor:
ClusterLabs
ClusterLabs
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect permissions set on a Unix socket used for internal communication between PCS daemons. A local user can obtain the authentication token for hacluster and gain control over the cluster managed by pcs.
Remediation
Install update from vendor's website.