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Red Hat Enterprise Linux 8: RHSA-2020-5638-01 Critical libpq Security Alert

red hat
Calendar Grey December 21, 2020
Dist Redhat Esm H88
Crucial libpq upgrade for Red Hat Enterprise Linux tackling vulnerabilities within the PostgreSQL client library.
An update for libpq is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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

Summary

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.
The following packages have been upgraded to a later upstream version: libpq (12.5). (BZ#1898225, BZ#1901562)
Security Fix(es):
* postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694)
* postgresql: psql's gset allows overwriting specially treated variables (CVE-2020-25696)
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 red hat Red Hat Enterprise Linux important security impact PostgreSQL important fix postgresql libpq reconnection issue libpq update reconnection security psql overwriting

References

https://access.redhat.com/security/cve/CVE-2020-25694 https://access.redhat.com/security/cve/CVE-2020-25696 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: libpq-12.5-1.el8_0.src.rpm
aarch64: libpq-12.5-1.el8_0.aarch64.rpm libpq-debuginfo-12.5-1.el8_0.aarch64.rpm libpq-debugsource-12.5-1.el8_0.aarch64.rpm libpq-devel-12.5-1.el8_0.aarch64.rpm libpq-devel-debuginfo-12.5-1.el8_0.aarch64.rpm
ppc64le: libpq-12.5-1.el8_0.ppc64le.rpm libpq-debuginfo-12.5-1.el8_0.ppc64le.rpm libpq-debugsource-12.5-1.el8_0.ppc64le.rpm libpq-devel-12.5-1.el8_0.ppc64le.rpm libpq-devel-debuginfo-12.5-1.el8_0.ppc64le.rpm
s390x: libpq-12.5-1.el8_0.s390x.rpm libpq-debuginfo-12.5-1.el8_0.s390x.rpm libpq-debugsource-12.5-1.el8_0.s390x.rpm libpq-devel-12.5-1.el8_0.s390x.rpm libpq-devel-debuginfo-12.5-1.el8_0.s390x.rpm
x86_64: libpq-12.5-1.el8_0.i686.rpm libpq-12.5-1.el8_0.x86_64.rpm libpq-debuginfo-12.5-1.el8_0.i686.rpm libpq-debuginfo-12.5-1.el8_0.x86_64.rpm libpq-debugsource-12.5-1.el8_0.i686.rpm libpq-debugsource-12.5-1.el8_0.x86_64.rpm libpq-devel-12.5-1.el8_0.i686.rpm libpq-devel-12.5-1.el8_0.x86_64.rpm libpq-devel-debuginfo-12.5-1.el8_0.i686.rpm libpq-devel-debuginfo-12.5-1.el8_0.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:5638-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5638
Issue date: 2020-12-21

Topic

An update for libpq is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 red hat Red Hat Enterprise Linux important security impact PostgreSQL important fix postgresql libpq reconnection issue libpq update reconnection security psql overwriting

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1894423 - CVE-2020-25694 postgresql: Reconnection can downgrade connection security settings

1894430 - CVE-2020-25696 postgresql: psql's gset allows overwriting specially treated variables

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