Security update for sudo

Announcement ID:	SUSE-SU-2023:1665-1
Rating:	moderate
References:	bsc#1203201 bsc#1206483 bsc#1206772 bsc#1208595 bsc#1209361 bsc#1209362
Cross-References:	CVE-2023-27320 CVE-2023-28486 CVE-2023-28487
CVSS scores:	CVE-2023-27320 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H CVE-2023-27320 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-28486 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2023-28486 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2023-28487 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2023-28487 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products:	Basesystem Module 15-SP4 openSUSE Leap 15.4 openSUSE Leap Micro 5.3 SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro for Rancher 5.3 SUSE Linux Enterprise Micro for Rancher 5.4 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

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

Description:

This update for sudo fixes the following issue:

Security issues:

• CVE-2023-28486: Fixed sudo does not escape control characters in log messages. (bsc#1209362)
• CVE-2023-28487: Fixed sudo does not escape control characters in sudoreplay output. (bsc#1209361)
• CVE-2023-27320: Fixed a potential security issue with a double free with per-command chroot sudoers rules (bsc#1208595).

Bug fixes:

• Fix a situation where "sudo -U otheruser -l" would dereference a NULL pointer (bsc#1206483)
• If NOPASSWD is specified, don't ask for password if command is not found (bsc#1206772).
• Do not re-enable the reader when flushing the buffers as part of pty_finish() (bsc#1203201).

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:

• openSUSE Leap Micro 5.3
  zypper in -t patch openSUSE-Leap-Micro-5.3-2023-1665=1
• openSUSE Leap 15.4
  zypper in -t patch openSUSE-SLE-15.4-2023-1665=1
• SUSE Linux Enterprise Micro for Rancher 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2023-1665=1
• SUSE Linux Enterprise Micro 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2023-1665=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2023-1665=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2023-1665=1
• Basesystem Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-1665=1

Package List:

• openSUSE Leap Micro 5.3 (aarch64 x86_64)
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
  • sudo-1.9.9-150400.4.26.1
  • sudo-plugin-python-1.9.9-150400.4.26.1
  • sudo-plugin-python-debuginfo-1.9.9-150400.4.26.1
  • sudo-test-1.9.9-150400.4.26.1
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
  • sudo-devel-1.9.9-150400.4.26.1
• SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
• SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
• SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
• Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • sudo-1.9.9-150400.4.26.1
  • sudo-plugin-python-1.9.9-150400.4.26.1
  • sudo-plugin-python-debuginfo-1.9.9-150400.4.26.1
  • sudo-debuginfo-1.9.9-150400.4.26.1
  • sudo-debugsource-1.9.9-150400.4.26.1
  • sudo-devel-1.9.9-150400.4.26.1

References:

• https://www.suse.com/security/cve/CVE-2023-27320.html
• https://www.suse.com/security/cve/CVE-2023-28486.html
• https://www.suse.com/security/cve/CVE-2023-28487.html
• https://bugzilla.suse.com/show_bug.cgi?id=1203201
• https://bugzilla.suse.com/show_bug.cgi?id=1206483
• https://bugzilla.suse.com/show_bug.cgi?id=1206772
• https://bugzilla.suse.com/show_bug.cgi?id=1208595
• https://bugzilla.suse.com/show_bug.cgi?id=1209361
• https://bugzilla.suse.com/show_bug.cgi?id=1209362