RHSA-2021:0165 - Security Advisory

トピック

An update for libpq is now available for Red Hat Enterprise Linux 8.1 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.

説明

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#1898226, BZ#1901561)

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.

解決策

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

影響を受ける製品

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

修正

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

CVE

• CVE-2020-25694
• CVE-2020-25696

参考資料

• https://access.redhat.com/security/updates/classification/#important