Security update for sudo

Announcement ID:	SUSE-SU-2021:0226-1
Rating:	important
References:	bsc#1180684 bsc#1180685 bsc#1180687 bsc#1181090
Cross-References:	CVE-2021-23239 CVE-2021-23240 CVE-2021-3156
CVSS scores:	CVE-2021-23239 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2021-23239 ( NVD ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2021-23240 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-23240 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-3156 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-3156 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	HPE Helion OpenStack 8 SUSE Enterprise Storage 5 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9

An update that solves three vulnerabilities and has one security fix can now be installed.

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

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2021-226=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2021-226=1
• SUSE OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2021-226=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-226=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-226=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-226=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-226=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-226=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-226=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-226=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2021-226=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-226=1
• SUSE Enterprise Storage 5
  zypper in -t patch SUSE-Storage-5-2021-226=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE OpenStack Cloud 8 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE OpenStack Cloud 9 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1
• SUSE Enterprise Storage 5 (aarch64 x86_64)
  • sudo-debugsource-1.8.20p2-3.20.1
  • sudo-debuginfo-1.8.20p2-3.20.1
  • sudo-1.8.20p2-3.20.1

References:

• https://www.suse.com/security/cve/CVE-2021-23239.html
• https://www.suse.com/security/cve/CVE-2021-23240.html
• https://www.suse.com/security/cve/CVE-2021-3156.html
• https://bugzilla.suse.com/show_bug.cgi?id=1180684
• https://bugzilla.suse.com/show_bug.cgi?id=1180685
• https://bugzilla.suse.com/show_bug.cgi?id=1180687
• https://bugzilla.suse.com/show_bug.cgi?id=1181090