SUSE-SU-2023:1665-1: moderate: Security update for sudo

Wed Mar 29 12:30:17 UTC 2023

# Security update for sudo

Announcement ID: SUSE-SU-2023:1665-1  
Rating: moderate  
References:

  * #1203201
  * #1206483
  * #1206772
  * #1208595
  * #1209361
  * #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 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 Moderate 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-test-1.9.9-150400.4.26.1
    * sudo-plugin-python-debuginfo-1.9.9-150400.4.26.1
    * sudo-devel-1.9.9-150400.4.26.1
    * sudo-1.9.9-150400.4.26.1
    * sudo-debuginfo-1.9.9-150400.4.26.1
    * sudo-plugin-python-1.9.9-150400.4.26.1
    * sudo-debugsource-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-plugin-python-debuginfo-1.9.9-150400.4.26.1
    * sudo-devel-1.9.9-150400.4.26.1
    * sudo-1.9.9-150400.4.26.1
    * sudo-debuginfo-1.9.9-150400.4.26.1
    * sudo-plugin-python-1.9.9-150400.4.26.1
    * sudo-debugsource-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

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