Security update for sudo

SUSE Security Update: Security update for sudo
Announcement ID: SUSE-SU-2020:0408-1
Rating: important
References: #1162202 #1162675
Cross-References:CVE-2019-18634
Affected Products:
  • SUSE Linux Enterprise Server for SAP 15
  • SUSE Linux Enterprise Server 15-LTSS
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
  • SUSE Linux Enterprise Module for Basesystem 15-SP1
  • SUSE Linux Enterprise Module for Basesystem 15
  • SUSE Linux Enterprise High Performance Computing 15-LTSS
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS

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 Linux Enterprise Server for SAP 15:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-408=1
  • SUSE Linux Enterprise Server 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-2020-408=1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-408=1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2020-408=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-408=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2020-408=1
  • SUSE Linux Enterprise High Performance Computing 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-408=1
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-408=1

Package List:

  • SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1
  • SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 ppc64le s390x x86_64):
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-test-1.8.22-4.9.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-test-1.8.22-4.9.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1
  • SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
    • sudo-1.8.22-4.9.1
    • sudo-debuginfo-1.8.22-4.9.1
    • sudo-debugsource-1.8.22-4.9.1
    • sudo-devel-1.8.22-4.9.1

References: