RHSA-2021:2394 - Security Advisory

Topic

An update for rh-postgresql12-postgresql is now available for Red Hat Software Collections.

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).

The following packages have been upgraded to a later upstream version: rh-postgresql12-postgresql (12.7).

Security Fix(es):

• postgresql: Buffer overrun from integer overflow in array subscripting calculations (CVE-2021-32027)
• postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE (CVE-2021-32028)
• postgresql: Memory disclosure in partitioned-table UPDATE ... RETURNING (CVE-2021-32029)
• postgresql: Partition constraint violation errors leak values of denied columns (CVE-2021-3393)

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 Software Collections (for RHEL Server) 1 for RHEL 7.7 x86_64
• Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7 s390x
• Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7 ppc64le
• Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
• Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
• Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
• Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

Fixes

• BZ - 1924005 - CVE-2021-3393 postgresql: Partition constraint violation errors leak values of denied columns
• BZ - 1956876 - CVE-2021-32027 postgresql: Buffer overrun from integer overflow in array subscripting calculations
• BZ - 1956877 - CVE-2021-32028 postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE
• BZ - 1956883 - CVE-2021-32029 postgresql: Memory disclosure in partitioned-table UPDATE ... RETURNING

CVEs

• CVE-2021-3393
• CVE-2021-32027
• CVE-2021-32028
• CVE-2021-32029

References

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