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Red Hat 8.2: RHSA-2021-2389-01 Critical Memory Disclosure Fix

red hat
Calendar Grey June 14, 2021
Dist Redhat Esm H88
Critical vulnerabilities identified in Red Hat's PostgreSQL version 12 have been classified as Significant. Ensure your systems are up to date!
An update for the postgresql:12 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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.

Summary

PostgreSQL is an advanced object-relational database management system (DBMS).
The following packages have been upgraded to a later upstream version: 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.

Topics%20covered

Topics Covered

security advisory buffer overrun Red Hat Enterprise Linux critical update memory disclosure PostgreSQL patch array subscripting

References

https://access.redhat.com/security/cve/CVE-2021-3393 https://access.redhat.com/security/cve/CVE-2021-32027 https://access.redhat.com/security/cve/CVE-2021-32028 https://access.redhat.com/security/cve/CVE-2021-32029 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: pgaudit-1.4.0-4.module+el8.2.0+9043+1dbb5661.src.rpm postgres-decoderbufs-0.10.0-2.module+el8.2.0+9043+1dbb5661.src.rpm postgresql-12.7-1.module+el8.2.0+11251+7a3cc531.src.rpm
aarch64: pgaudit-1.4.0-4.module+el8.2.0+9043+1dbb5661.aarch64.rpm pgaudit-debuginfo-1.4.0-4.module+el8.2.0+9043+1dbb5661.aarch64.rpm pgaudit-debugsource-1.4.0-4.module+el8.2.0+9043+1dbb5661.aarch64.rpm postgres-decoderbufs-0.10.0-2.module+el8.2.0+9043+1dbb5661.aarch64.rpm postgres-decoderbufs-debuginfo-0.10.0-2.module+el8.2.0+9043+1dbb5661.aarch64.rpm postgres-decoderbufs-debugsource-0.10.0-2.module+el8.2.0+9043+1dbb5661.aarch64.rpm postgresql-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-contrib-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-contrib-debuginfo-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-debuginfo-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-debugsource-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-docs-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-docs-debuginfo-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm postgresql-plperl-12.7-1.module+el8.2.0+11251+7a3cc531.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2389-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2389
Issue date: 2021-06-14

Topic

An update for the postgresql:12 module is now available for Red HatEnterprise Linux 8.2 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overrun Red Hat Enterprise Linux critical update memory disclosure PostgreSQL patch array subscripting

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1924005 - CVE-2021-3393 postgresql: Partition constraint violation errors leak values of denied columns

1956876 - CVE-2021-32027 postgresql: Buffer overrun from integer overflow in array subscripting calculations

1956877 - CVE-2021-32028 postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE

1956883 - CVE-2021-32029 postgresql: Memory disclosure in partitioned-table UPDATE ... RETURNING

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