Vulnerabilities > CVE-2023-5870
Attack vector
NETWORK Attack complexity
HIGH Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.
Vulnerable Configurations
References
- https://access.redhat.com/errata/RHSA-2023:7545
- https://access.redhat.com/errata/RHSA-2023:7579
- https://access.redhat.com/errata/RHSA-2023:7580
- https://access.redhat.com/errata/RHSA-2023:7581
- https://access.redhat.com/errata/RHSA-2023:7616
- https://access.redhat.com/errata/RHSA-2023:7656
- https://access.redhat.com/errata/RHSA-2023:7666
- https://access.redhat.com/errata/RHSA-2023:7667
- https://access.redhat.com/errata/RHSA-2023:7694
- https://access.redhat.com/errata/RHSA-2023:7695
- https://access.redhat.com/security/cve/CVE-2023-5870
- https://bugzilla.redhat.com/show_bug.cgi?id=2247170
- https://www.postgresql.org/about/news/postgresql-161-155-1410-1313-1217-and-1122-released-2749/
- https://www.postgresql.org/support/security/CVE-2023-5870/
- https://access.redhat.com/errata/RHSA-2023:7714
- https://access.redhat.com/errata/RHSA-2023:7770
- https://access.redhat.com/errata/RHSA-2023:7772
- https://access.redhat.com/errata/RHSA-2023:7784
- https://access.redhat.com/errata/RHSA-2023:7785
- https://access.redhat.com/errata/RHSA-2023:7883
- https://access.redhat.com/errata/RHSA-2023:7884
- https://access.redhat.com/errata/RHSA-2023:7885
- https://access.redhat.com/errata/RHSA-2024:0304
- https://access.redhat.com/errata/RHSA-2024:0332
- https://access.redhat.com/errata/RHSA-2024:0337