RedHat: RHSA-2020-5638:01 Important: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: libpq security update
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
CVE Names:         CVE-2020-25694 CVE-2020-25696 
=====================================================================

1. Summary:

An update for libpq is now available for Red Hat Enterprise Linux 8.0
Update Services for SAP Solutions.

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.

2. Relevant releases/architectures:

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

3. Description:

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1894423 - CVE-2020-25694 postgresql: Reconnection can downgrade connection security settings
1894430 - CVE-2020-25696 postgresql: psql's \gset allows overwriting specially treated variables

6. 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/

7. 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

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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