#VU82943 Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2023-5870
Published: November 9, 2023
Vulnerability identifier: #VU82943
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5870
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PostgreSQL
PostgreSQL
Software vendor:
PostgreSQL Global Development Group
PostgreSQL Global Development Group
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to pg_cancel_backend rolse signals background workers, including the logical replication launcher, autovacuum workers and the autovacuum launcher. A remote privileged user can abuse this behavior and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.