Security update for sudo

SUSE Security Update: Security update for sudo
Announcement ID: SUSE-SU-2020:0406-1
Rating: important
References: #1162202 #1162675
Cross-References:CVE-2019-18634
Affected Products:
  • SUSE OpenStack Cloud Crowbar 8
  • SUSE OpenStack Cloud 8
  • SUSE Linux Enterprise Software Development Kit 12-SP4
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server 12-SP4
  • SUSE Linux Enterprise Server 12-SP3-LTSS
  • SUSE Linux Enterprise Server 12-SP3-BCL
  • SUSE Linux Enterprise Desktop 12-SP4
  • SUSE Enterprise Storage 5
  • SUSE CaaS Platform 3.0
  • HPE Helion Openstack 8

An update that solves one vulnerability and has one errata is now available.

Description:

This update for sudo fixes the following issues:
Security issue fixed:

  • CVE-2019-18634: Fixed a buffer overflow in the passphrase prompt that could occur when pwfeedback was enabled in /etc/sudoers (bsc#1162202).

Non-security issue fixed:
  • Fixed an issue where sudo -l would ask for a password even though `listpw` was set to `never` (bsc#1162675).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-406=1
  • SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2020-406=1
  • SUSE Linux Enterprise Software Development Kit 12-SP4:
    zypper in -t patch SUSE-SLE-SDK-12-SP4-2020-406=1
  • SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-406=1
  • SUSE Linux Enterprise Server 12-SP4:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-406=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-406=1
  • SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-406=1
  • SUSE Linux Enterprise Desktop 12-SP4:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2020-406=1
  • SUSE Enterprise Storage 5:
    zypper in -t patch SUSE-Storage-5-2020-406=1
  • SUSE CaaS Platform 3.0:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2020-406=1

Package List:

  • SUSE OpenStack Cloud Crowbar 8 (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE OpenStack Cloud 8 (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 ppc64le s390x x86_64):
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
    • sudo-devel-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Linux Enterprise Desktop 12-SP4 (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE Enterprise Storage 5 (aarch64 x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • SUSE CaaS Platform 3.0 (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1
  • HPE Helion Openstack 8 (x86_64):
    • sudo-1.8.20p2-3.17.1
    • sudo-debuginfo-1.8.20p2-3.17.1
    • sudo-debugsource-1.8.20p2-3.17.1

References: