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CVE-2023-5870

Postgresql: role pg_signal_backend can signal certain superuser processes.

Published: 12/10/2023 Last updated: 12/2/2024 Reserved: 10/31/2023

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 2.2 Low CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

Opam packages affected (5)

conf-mingw-w64-postgresql-i686 conf-mingw-w64-postgresql-x86_64 conf-postgresql ocsigen-start postgresql

Products affected (45)

Product Vendor Version
RHACS-4.1-RHEL-8 Red Hat 9.0.0.1
RHACS-3.74-RHEL-8 Red Hat 6.0.5
Red Hat Advanced Cluster Security 4.2 Red Hat 2.9.0 through 2.9.4
Red Hat Advanced Cluster Security 4.2 Red Hat IPQ5332
RHACS-3.74-RHEL-8 Red Hat 6.2.0
RHACS-4.1-RHEL-8 Red Hat QCN9000
Red Hat Advanced Cluster Security 4.2 Red Hat IPQ6005
RHACS-4.1-RHEL-8 Red Hat < 10.0.14393.6709
RHACS-3.74-RHEL-8 Red Hat QCN6023
Red Hat Advanced Cluster Security 4.2 Red Hat IPQ6018
RHACS-4.1-RHEL-8 Red Hat <= 3.11.1
RHACS-3.74-RHEL-8 Red Hat < 86.0.4240.198
RHACS-4.1-RHEL-8 Red Hat QCN9024
RHACS-3.74-RHEL-8 Red Hat 2.06
Red Hat Advanced Cluster Security 4.2 Red Hat < 6.3.9600.20120
Red Hat Enterprise Linux 6 Red Hat Hyper-V in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows 10 Gold, 1511, and 1607; and Windows Server 2016
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 9.0 Extended Update Support Red Hat QCA9984
Red Hat Enterprise Linux 7 Red Hat <= 3.3.0.3_20160517
Red Hat Enterprise Linux 9 Red Hat QCA8085
Red Hat Enterprise Linux 8 Red Hat 32-bit Systems Service Pack 2
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat 2.4.6
Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat 2.4.8
Red Hat Enterprise Linux 8.2 Telecommunications Update Service Red Hat QAM8650P
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat < 6.0.6003.21218
Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat QCA6431
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat 12.2.6
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat <= 5.4.4
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat = 0.40.0
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat <= 5.2.6
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat 5.6.3
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat QCA6584AU
Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat QCA6564A
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat QCA6426
Red Hat Enterprise Linux 8 Red Hat 2.4.7
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat QCA9377
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat < 10.0.17763.5458
Red Hat Enterprise Linux 9 Red Hat QCS4290
Red Hat Enterprise Linux 8 Red Hat 32-bit Systems Service Pack 2 (Server Core installation)
Red Hat Software Collections Red Hat < 12.3
Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat QCM5430
Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat QCM6125

References (51)

Credits (1)