Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.0503
sudo security update
14 February 2020
===========================================================================
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: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18634
Reference: ESB-2020.0400
ESB-2020.0387
ESB-2020.0351
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:0487
https://access.redhat.com/errata/RHSA-2020:0509
Comment: This bulletin contains two (2) Red Hat security advisories.
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Red Hat Security Advisory
Synopsis: Important: sudo security update
Advisory ID: RHSA-2020:0487-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0487
Issue date: 2020-02-13
CVE Names: CVE-2019-18634
=====================================================================
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 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 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.
Security Fix(es):
* sudo: Stack based buffer overflow when pwfeedback is enabled
(CVE-2019-18634)
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/):
1796944 - CVE-2019-18634 sudo: Stack based buffer overflow when pwfeedback is enabled
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
sudo-1.8.25p1-8.el8_1.1.src.rpm
aarch64:
sudo-1.8.25p1-8.el8_1.1.aarch64.rpm
sudo-debuginfo-1.8.25p1-8.el8_1.1.aarch64.rpm
sudo-debugsource-1.8.25p1-8.el8_1.1.aarch64.rpm
ppc64le:
sudo-1.8.25p1-8.el8_1.1.ppc64le.rpm
sudo-debuginfo-1.8.25p1-8.el8_1.1.ppc64le.rpm
sudo-debugsource-1.8.25p1-8.el8_1.1.ppc64le.rpm
s390x:
sudo-1.8.25p1-8.el8_1.1.s390x.rpm
sudo-debuginfo-1.8.25p1-8.el8_1.1.s390x.rpm
sudo-debugsource-1.8.25p1-8.el8_1.1.s390x.rpm
x86_64:
sudo-1.8.25p1-8.el8_1.1.x86_64.rpm
sudo-debuginfo-1.8.25p1-8.el8_1.1.x86_64.rpm
sudo-debugsource-1.8.25p1-8.el8_1.1.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-2019-18634
https://access.redhat.com/security/updates/classification/#important
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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Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: sudo security update
Advisory ID: RHSA-2020:0509-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0509
Issue date: 2020-02-13
CVE Names: CVE-2019-18634
=====================================================================
1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 8.0 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 BaseOS E4S (v. 8.0) - 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.
Security Fix(es):
* sudo: Stack based buffer overflow when pwfeedback is enabled
(CVE-2019-18634)
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/):
1796944 - CVE-2019-18634 sudo: Stack based buffer overflow when pwfeedback is enabled
6. Package List:
Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source:
sudo-1.8.25p1-4.el8_0.3.src.rpm
aarch64:
sudo-1.8.25p1-4.el8_0.3.aarch64.rpm
sudo-debuginfo-1.8.25p1-4.el8_0.3.aarch64.rpm
sudo-debugsource-1.8.25p1-4.el8_0.3.aarch64.rpm
ppc64le:
sudo-1.8.25p1-4.el8_0.3.ppc64le.rpm
sudo-debuginfo-1.8.25p1-4.el8_0.3.ppc64le.rpm
sudo-debugsource-1.8.25p1-4.el8_0.3.ppc64le.rpm
s390x:
sudo-1.8.25p1-4.el8_0.3.s390x.rpm
sudo-debuginfo-1.8.25p1-4.el8_0.3.s390x.rpm
sudo-debugsource-1.8.25p1-4.el8_0.3.s390x.rpm
x86_64:
sudo-1.8.25p1-4.el8_0.3.x86_64.rpm
sudo-debuginfo-1.8.25p1-4.el8_0.3.x86_64.rpm
sudo-debugsource-1.8.25p1-4.el8_0.3.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-2019-18634
https://access.redhat.com/security/updates/classification/#important
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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