Security update for sudo

SUSE Security Update: Security update for sudo
Announcement ID: SUSE-SU-2021:0227-1
Rating: important
References: #1180684 #1180685 #1180687 #1181090
Cross-References:CVE-2021-23239 CVE-2021-23240 CVE-2021-3156
Affected Products:
  • SUSE Manager Server 4.0
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Proxy 4.0
  • SUSE Linux Enterprise Server for SAP 15-SP1
  • SUSE Linux Enterprise Server for SAP 15
  • SUSE Linux Enterprise Server 15-SP1-LTSS
  • SUSE Linux Enterprise Server 15-SP1-BCL
  • SUSE Linux Enterprise Server 15-LTSS
  • SUSE Linux Enterprise Module for Basesystem 15-SP3
  • SUSE Linux Enterprise Module for Basesystem 15-SP2
  • SUSE Linux Enterprise Module for Basesystem 15-SP1
  • SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
  • SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
  • SUSE Linux Enterprise High Performance Computing 15-LTSS
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS
  • SUSE Enterprise Storage 6
  • SUSE CaaS Platform 4.0

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

Description:

This update for sudo fixes the following issues:

  • A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges [bsc#1181090,CVE-2021-3156]
  • It was possible for a user to test for the existence of a directory due to a Race Condition in `sudoedit` [bsc#1180684,CVE-2021-23239]
  • A Possible Symlink Attack vector existed in `sudoedit` if SELinux was running in permissive mode [bsc#1180685, CVE-2021-23240]
  • It was possible for a User to enable Debug Settings not Intended for them [bsc#1180687]

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 Manager Server 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-227=1
  • SUSE Manager Retail Branch Server 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-227=1
  • SUSE Manager Proxy 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-227=1
  • SUSE Linux Enterprise Server for SAP 15-SP1:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-227=1
  • SUSE Linux Enterprise Server for SAP 15:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-227=1
  • SUSE Linux Enterprise Server 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-227=1
  • SUSE Linux Enterprise Server 15-SP1-BCL:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-227=1
  • SUSE Linux Enterprise Server 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-2021-227=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-227=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-227=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2021-227=1
  • SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-227=1
  • SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-227=1
  • SUSE Linux Enterprise High Performance Computing 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-227=1
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-227=1
  • SUSE Enterprise Storage 6:
    zypper in -t patch SUSE-Storage-6-2021-227=1
  • SUSE CaaS Platform 4.0:
    To install this update, use the SUSE CaaS Platform 'skuba' tool. I will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

  • SUSE Manager Server 4.0 (ppc64le s390x x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Manager Retail Branch Server 4.0 (x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Manager Proxy 4.0 (x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64 x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64 x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE Enterprise Storage 6 (aarch64 x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1
  • SUSE CaaS Platform 4.0 (x86_64):
    • sudo-1.8.22-4.15.1
    • sudo-debuginfo-1.8.22-4.15.1
    • sudo-debugsource-1.8.22-4.15.1
    • sudo-devel-1.8.22-4.15.1

References: