SUSE Security Update: Security update for telnet
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:3735-1
Rating:             important
References:         #1203759 
Cross-References:   CVE-2022-39028
CVSS scores:
                    CVE-2022-39028 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-39028 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP2-BCL
                    SUSE Linux Enterprise Server 12-SP3-BCL
                    SUSE Linux Enterprise Server 12-SP4-LTSS
                    SUSE Linux Enterprise Server 12-SP5
                    SUSE Linux Enterprise Server for SAP 12-SP4
                    SUSE OpenStack Cloud 9
                    SUSE OpenStack Cloud Crowbar 9
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for telnet fixes the following issues:

     - CVE-2022-39028: Fixed NULL pointer dereference in telnetd
       (bsc#1203759).


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 OpenStack Cloud Crowbar 9:

      zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-3735=1

   - SUSE OpenStack Cloud 9:

      zypper in -t patch SUSE-OpenStack-Cloud-9-2022-3735=1

   - SUSE Linux Enterprise Server for SAP 12-SP4:

      zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-3735=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-3735=1

   - SUSE Linux Enterprise Server 12-SP4-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-3735=1

   - SUSE Linux Enterprise Server 12-SP3-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-3735=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-3735=1



Package List:

   - SUSE OpenStack Cloud Crowbar 9 (x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE OpenStack Cloud 9 (x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      telnet-1.2-167.10.1
      telnet-debuginfo-1.2-167.10.1
      telnet-debugsource-1.2-167.10.1
      telnet-server-1.2-167.10.1
      telnet-server-debuginfo-1.2-167.10.1


References:

   https://www.suse.com/security/cve/CVE-2022-39028.html
   https://bugzilla.suse.com/1203759