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AUSCERT External Security Bulletin Redistribution
ESB-2021.0104
libpq security update
12 January 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libpq
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25696 CVE-2020-25694
Reference: ESB-2020.4470
ESB-2020.4307
ESB-2020.4150
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0057
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Red Hat Security Advisory
Synopsis: Important: libpq security update
Advisory ID: RHSA-2021:0057-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0057
Issue date: 2021-01-11
CVE Names: CVE-2020-25694 CVE-2020-25696
=====================================================================
1. Summary:
An update for libpq is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.
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 EUS (v. 8.2) - 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#1898227, BZ#1901559)
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 EUS (v. 8.2):
Source:
libpq-12.5-1.el8_2.src.rpm
aarch64:
libpq-12.5-1.el8_2.aarch64.rpm
libpq-debuginfo-12.5-1.el8_2.aarch64.rpm
libpq-debugsource-12.5-1.el8_2.aarch64.rpm
libpq-devel-12.5-1.el8_2.aarch64.rpm
libpq-devel-debuginfo-12.5-1.el8_2.aarch64.rpm
ppc64le:
libpq-12.5-1.el8_2.ppc64le.rpm
libpq-debuginfo-12.5-1.el8_2.ppc64le.rpm
libpq-debugsource-12.5-1.el8_2.ppc64le.rpm
libpq-devel-12.5-1.el8_2.ppc64le.rpm
libpq-devel-debuginfo-12.5-1.el8_2.ppc64le.rpm
s390x:
libpq-12.5-1.el8_2.s390x.rpm
libpq-debuginfo-12.5-1.el8_2.s390x.rpm
libpq-debugsource-12.5-1.el8_2.s390x.rpm
libpq-devel-12.5-1.el8_2.s390x.rpm
libpq-devel-debuginfo-12.5-1.el8_2.s390x.rpm
x86_64:
libpq-12.5-1.el8_2.i686.rpm
libpq-12.5-1.el8_2.x86_64.rpm
libpq-debuginfo-12.5-1.el8_2.i686.rpm
libpq-debuginfo-12.5-1.el8_2.x86_64.rpm
libpq-debugsource-12.5-1.el8_2.i686.rpm
libpq-debugsource-12.5-1.el8_2.x86_64.rpm
libpq-devel-12.5-1.el8_2.i686.rpm
libpq-devel-12.5-1.el8_2.x86_64.rpm
libpq-devel-debuginfo-12.5-1.el8_2.i686.rpm
libpq-devel-debuginfo-12.5-1.el8_2.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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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