Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Moderate: rpm security update
Advisory ID: RHSA-2021:4975-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4975
Issue date: 2021-12-07
CVE Names: CVE-2021-20271
====================================================================
1. Summary:
An update for rpm is now available for Red Hat Enterprise Linux
7.7
Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco
Extended Update
Support, and Red Hat Enterprise Linux 7.7 Update Services for
SAP
Solutions.
Red Hat Product Security has rated this update as having a
security impact
of Moderate. 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 Server AUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.7) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - noarch,
x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - noarch,
ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - noarch,
x86_64
Red Hat Enterprise Linux Server TUS (v. 7.7) - x86_64
3. Description:
The RPM Package Manager (RPM) is a command-line driven package
management
system capable of installing, uninstalling, verifying, querying,
and
updating software packages.
Security Fix(es):
* rpm: Signature checks bypass via corrupted rpm package (CVE-2021-20271)
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
All running applications linked against the RPM library must be
restarted
for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1934125 - CVE-2021-20271 rpm: Signature checks bypass via corrupted rpm package
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.7):
Source:
rpm-4.11.3-40.el7_7.1.src.rpm
x86_64:
rpm-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-build-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.i686.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-devel-4.11.3-40.el7_7.1.i686.rpm
rpm-devel-4.11.3-40.el7_7.1.x86_64.rpm
rpm-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-python-4.11.3-40.el7_7.1.x86_64.rpm
rpm-sign-4.11.3-40.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.7):
Source:
rpm-4.11.3-40.el7_7.1.src.rpm
ppc64le:
rpm-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-build-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-build-libs-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-devel-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-libs-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-python-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-sign-4.11.3-40.el7_7.1.ppc64le.rpm
x86_64:
rpm-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-build-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.i686.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-devel-4.11.3-40.el7_7.1.i686.rpm
rpm-devel-4.11.3-40.el7_7.1.x86_64.rpm
rpm-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-python-4.11.3-40.el7_7.1.x86_64.rpm
rpm-sign-4.11.3-40.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.7):
Source:
rpm-4.11.3-40.el7_7.1.src.rpm
x86_64:
rpm-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-4.11.3-40.el7_7.1.x86_64.rpm
rpm-build-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-build-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.i686.rpm
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-devel-4.11.3-40.el7_7.1.i686.rpm
rpm-devel-4.11.3-40.el7_7.1.x86_64.rpm
rpm-libs-4.11.3-40.el7_7.1.i686.rpm
rpm-libs-4.11.3-40.el7_7.1.x86_64.rpm
rpm-python-4.11.3-40.el7_7.1.x86_64.rpm
rpm-sign-4.11.3-40.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.7):
noarch:
rpm-apidocs-4.11.3-40.el7_7.1.noarch.rpm
rpm-cron-4.11.3-40.el7_7.1.noarch.rpm
x86_64:
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-plugin-systemd-inhibit-4.11.3-40.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional E4S (v. 7.6):
noarch:
rpm-apidocs-4.11.3-40.el7_7.1.noarch.rpm
rpm-cron-4.11.3-40.el7_7.1.noarch.rpm
ppc64le:
rpm-debuginfo-4.11.3-40.el7_7.1.ppc64le.rpm
rpm-plugin-systemd-inhibit-4.11.3-40.el7_7.1.ppc64le.rpm
x86_64:
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-plugin-systemd-inhibit-4.11.3-40.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional TUS (v. 7.7):
noarch:
rpm-apidocs-4.11.3-40.el7_7.1.noarch.rpm
rpm-cron-4.11.3-40.el7_7.1.noarch.rpm
x86_64:
rpm-debuginfo-4.11.3-40.el7_7.1.x86_64.rpm
rpm-plugin-systemd-inhibit-4.11.3-40.el7_7.1.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-2021-20271
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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