Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.1483
sudo security, bug fix, and enhancement update
29 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: sudo
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19232
Reference: ESB-2020.1042
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1804
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Red Hat Security Advisory
Synopsis: Moderate: sudo security, bug fix, and enhancement update
Advisory ID: RHSA-2020:1804-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1804
Issue date: 2020-04-28
CVE Names: CVE-2019-19232
=====================================================================
1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 8.
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 BaseOS (v. 8) - aarch64, ppc64le, s390x, 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.
The following packages have been upgraded to a later upstream version: sudo
(1.8.29). (BZ#1733961)
Security Fix(es):
* sudo: attacker with access to a Runas ALL sudoer account can impersonate
a nonexistent user (CVE-2019-19232)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.2 Release Notes linked from 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/):
1679508 - sudo does not work with notbefore/after using sssd
1715516 - sudo-1.8.19p2-10.el7.x86_64 NOTBEFORE showing value of sudoNotAfter Ldap attribute
1733961 - Rebase SUDO to the latest upstream version
1786704 - CVE-2019-19232 sudo: attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user
1796518 - [RFE] add optional check for the target user shell
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
sudo-1.8.29-5.el8.src.rpm
aarch64:
sudo-1.8.29-5.el8.aarch64.rpm
sudo-debuginfo-1.8.29-5.el8.aarch64.rpm
sudo-debugsource-1.8.29-5.el8.aarch64.rpm
ppc64le:
sudo-1.8.29-5.el8.ppc64le.rpm
sudo-debuginfo-1.8.29-5.el8.ppc64le.rpm
sudo-debugsource-1.8.29-5.el8.ppc64le.rpm
s390x:
sudo-1.8.29-5.el8.s390x.rpm
sudo-debuginfo-1.8.29-5.el8.s390x.rpm
sudo-debugsource-1.8.29-5.el8.s390x.rpm
x86_64:
sudo-1.8.29-5.el8.x86_64.rpm
sudo-debuginfo-1.8.29-5.el8.x86_64.rpm
sudo-debugsource-1.8.29-5.el8.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-2019-19232
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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