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

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

Synopsis:          Important: sudo security update
Advisory ID:       RHSA-2021:0224-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0224
Issue date:        2021-01-26
CVE Names:         CVE-2021-3156
====================================================================
1. Summary:

An update for sudo is now available for Red Hat Enterprise Linux 7.4
Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.4 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 Server AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64

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 Server AUS (v. 7.4):

Source:
sudo-1.8.19p2-12.el7_4.2.src.rpm

x86_64:
sudo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.4):

Source:
sudo-1.8.19p2-12.el7_4.2.src.rpm

ppc64le:
sudo-1.8.19p2-12.el7_4.2.ppc64le.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm

x86_64:
sudo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.4):

Source:
sudo-1.8.19p2-12.el7_4.2.src.rpm

x86_64:
sudo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.4):

x86_64:
sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm
sudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.4):

ppc64le:
sudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm
sudo-devel-1.8.19p2-12.el7_4.2.ppc64le.rpm

x86_64:
sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm
sudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.4):

x86_64:
sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm
sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm
sudo-devel-1.8.19p2-12.el7_4.2.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-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 <secalert@redhat.com>. 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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fsAW
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce