CVE-2023-5870
LOW severity · CVSS 2.2 · Uncontrolled resource consumption
2.2CVSS LOW
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2023:7545Advisory
- https://access.redhat.com/errata/RHSA-2023:7579Advisory
- https://access.redhat.com/errata/RHSA-2023:7580Advisory
- https://access.redhat.com/errata/RHSA-2023:7581Advisory
- https://access.redhat.com/errata/RHSA-2023:7616Advisory
- https://access.redhat.com/errata/RHSA-2023:7656Advisory
- https://access.redhat.com/errata/RHSA-2023:7666Advisory
- https://access.redhat.com/errata/RHSA-2023:7667Advisory