SB2022090520 - Red Hat Enterprise Linux High Availability 8.6 update for pcs
Published: September 5, 2022
Security Bulletin ID
SB2022090520
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-2735)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 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
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.