Important: postgresql:13 security update

Topic

An update for the postgresql:13 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.

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: Buffer overrun from integer overflow in array modification (CVE-2023-5869)
• postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)
• postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)
• 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 Update Support 8.8 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64

Fixes

• 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-2023-5868
• CVE-2023-5869
• CVE-2023-5870
• CVE-2023-39417

References

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