-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: sudo security update
Advisory ID:       RHSA-2021:0223-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0223
Issue date:        2021-01-26
CVE Names:         CVE-2021-3156 
=====================================================================

1. Summary:

An update for sudo is now available for Red Hat Enterprise Linux 7.6
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 ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x

3. Description:

The sudo packages contain the sudo utility which allows system
administrators to provide certain users with the permission to execute
privileged commands, which are used for system management purposes, without
having to log in as root.

Security Fix(es):

* sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)

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/):

1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):

Source:
sudo-1.8.23-3.el7_6.2.src.rpm

x86_64:
sudo-1.8.23-3.el7_6.2.x86_64.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):

x86_64:
sudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm
sudo-devel-1.8.23-3.el7_6.2.i686.rpm
sudo-devel-1.8.23-3.el7_6.2.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
sudo-1.8.23-3.el7_6.2.src.rpm

ppc64:
sudo-1.8.23-3.el7_6.2.ppc64.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm

ppc64le:
sudo-1.8.23-3.el7_6.2.ppc64le.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm

s390x:
sudo-1.8.23-3.el7_6.2.s390x.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm

x86_64:
sudo-1.8.23-3.el7_6.2.x86_64.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
sudo-1.8.23-3.el7_6.2.src.rpm

aarch64:
sudo-1.8.23-3.el7_6.2.aarch64.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm

ppc64le:
sudo-1.8.23-3.el7_6.2.ppc64le.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm

s390x:
sudo-1.8.23-3.el7_6.2.s390x.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.6):

ppc64:
sudo-debuginfo-1.8.23-3.el7_6.2.ppc.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64.rpm
sudo-devel-1.8.23-3.el7_6.2.ppc.rpm
sudo-devel-1.8.23-3.el7_6.2.ppc64.rpm

ppc64le:
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm
sudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm

s390x:
sudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm
sudo-devel-1.8.23-3.el7_6.2.s390.rpm
sudo-devel-1.8.23-3.el7_6.2.s390x.rpm

x86_64:
sudo-debuginfo-1.8.23-3.el7_6.2.i686.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.x86_64.rpm
sudo-devel-1.8.23-3.el7_6.2.i686.rpm
sudo-devel-1.8.23-3.el7_6.2.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
sudo-debuginfo-1.8.23-3.el7_6.2.aarch64.rpm
sudo-devel-1.8.23-3.el7_6.2.aarch64.rpm

ppc64le:
sudo-debuginfo-1.8.23-3.el7_6.2.ppc64le.rpm
sudo-devel-1.8.23-3.el7_6.2.ppc64le.rpm

s390x:
sudo-debuginfo-1.8.23-3.el7_6.2.s390.rpm
sudo-debuginfo-1.8.23-3.el7_6.2.s390x.rpm
sudo-devel-1.8.23-3.el7_6.2.s390.rpm
sudo-devel-1.8.23-3.el7_6.2.s390x.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-2021-3156
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2021-002

8. Contact:

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

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=GeG5
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
[email protected]
https://www.redhat.com/mailman/listinfo/rhsa-announce