RHSA-2023:7694 - Security Advisory

Topic

An update for the postgresql:12 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

PostgreSQL is an advanced object-relational database management system (DBMS).

Security Fix(es):

• postgresql: schema_element defeats protective search_path changes (CVE-2023-2454)
• postgresql: Buffer overrun from integer overflow in array modification (CVE-2023-5869)
• postgresql: Extension scripts replace objects not belonging to the extension. (CVE-2022-2625)
• postgresql: row security policies disregard user ID changes after inlining. (CVE-2023-2455)
• postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)
• postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)
• postgresql: Client memory disclosure when connecting with Kerberos to modified server (CVE-2022-41862)
• postgresql: Role pg_signal_backend can signal certain superuser processes. (CVE-2023-5870)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

If the postgresql service is running, it will be automatically restarted after installing this update.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life 8.4 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life 8.4 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life 8.4 s390x

Fixes

• BZ - 2113825 - CVE-2022-2625 postgresql: Extension scripts replace objects not belonging to the extension.
• BZ - 2165722 - CVE-2022-41862 postgresql: Client memory disclosure when connecting with Kerberos to modified server
• BZ - 2207568 - CVE-2023-2454 postgresql: schema_element defeats protective search_path changes
• BZ - 2207569 - CVE-2023-2455 postgresql: row security policies disregard user ID changes after inlining.
• BZ - 2228111 - CVE-2023-39417 postgresql: extension script @substitutions@ within quoting allow SQL injection
• BZ - 2247168 - CVE-2023-5868 postgresql: Memory disclosure in aggregate function calls
• BZ - 2247169 - CVE-2023-5869 postgresql: Buffer overrun from integer overflow in array modification
• BZ - 2247170 - CVE-2023-5870 postgresql: Role pg_signal_backend can signal certain superuser processes.

CVEs

• CVE-2022-2625
• CVE-2022-41862
• CVE-2023-2454
• CVE-2023-2455
• CVE-2023-5868
• CVE-2023-5869
• CVE-2023-5870
• CVE-2023-39417

References

• https://access.redhat.com/security/updates/classification/#important