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Red Hat: RHSA-2020-5401 Important Libpq Security Update - Connection Risks

red hat
Calendar Grey December 14, 2020
Dist Redhat Esm H88
A crucial libpq security patch from Red Hat tackles vulnerabilities related to connection security downgrades in PostgreSQL. Learn more today!
An update for libpq is now available for Red Hat Enterprise Linux 8

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#1898228, BZ#1901558)
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 security fix important red hat enterprise linux important update postgresql connection security libpq postgresql issue connection risk

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 (v. 8):
Source: libpq-12.5-1.el8_3.src.rpm
aarch64: libpq-12.5-1.el8_3.aarch64.rpm libpq-debuginfo-12.5-1.el8_3.aarch64.rpm libpq-debugsource-12.5-1.el8_3.aarch64.rpm libpq-devel-12.5-1.el8_3.aarch64.rpm libpq-devel-debuginfo-12.5-1.el8_3.aarch64.rpm
ppc64le: libpq-12.5-1.el8_3.ppc64le.rpm libpq-debuginfo-12.5-1.el8_3.ppc64le.rpm libpq-debugsource-12.5-1.el8_3.ppc64le.rpm libpq-devel-12.5-1.el8_3.ppc64le.rpm libpq-devel-debuginfo-12.5-1.el8_3.ppc64le.rpm
s390x: libpq-12.5-1.el8_3.s390x.rpm libpq-debuginfo-12.5-1.el8_3.s390x.rpm libpq-debugsource-12.5-1.el8_3.s390x.rpm libpq-devel-12.5-1.el8_3.s390x.rpm libpq-devel-debuginfo-12.5-1.el8_3.s390x.rpm
x86_64: libpq-12.5-1.el8_3.i686.rpm libpq-12.5-1.el8_3.x86_64.rpm libpq-debuginfo-12.5-1.el8_3.i686.rpm libpq-debuginfo-12.5-1.el8_3.x86_64.rpm libpq-debugsource-12.5-1.el8_3.i686.rpm libpq-debugsource-12.5-1.el8_3.x86_64.rpm libpq-devel-12.5-1.el8_3.i686.rpm libpq-devel-12.5-1.el8_3.x86_64.rpm libpq-devel-debuginfo-12.5-1.el8_3.i686.rpm libpq-devel-debuginfo-12.5-1.el8_3.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-2020:5401-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5401
Issue date: 2020-12-14

Topic

An update for libpq is now available for Red Hat Enterprise Linux 8.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 security fix important red hat enterprise linux important update postgresql connection security libpq postgresql issue connection risk

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - 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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