SUSE Security Update: Security update for nginx
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:4266-1
Rating:             important
References:         #1187685 
Cross-References:   CVE-2021-3618
CVSS scores:
                    CVE-2021-3618 (NVD) : 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
                    CVE-2021-3618 (SUSE): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products:
                    SUSE CaaS Platform 4.0
                    SUSE Enterprise Storage 6
                    SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                    SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                    SUSE Linux Enterprise Server 15-SP1-BCL
                    SUSE Linux Enterprise Server 15-SP1-LTSS
                    SUSE Linux Enterprise Server for SAP 15-SP1
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for nginx fixes the following issues:

   - CVE-2021-3618: Fixed the ALPACA attack limiting the number of errors
     after which the connection is closed (bsc#1187685).


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 Linux Enterprise Server for SAP 15-SP1:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-4266=1

   - SUSE Linux Enterprise Server 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-4266=1

   - SUSE Linux Enterprise Server 15-SP1-BCL:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-4266=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-4266=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-4266=1

   - SUSE Enterprise Storage 6:

      zypper in -t patch SUSE-Storage-6-2022-4266=1

   - SUSE CaaS Platform 4.0:

      To install this update, use the SUSE CaaS Platform 'skuba' tool. It
      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 Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise Server for SAP 15-SP1 (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64 x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64 x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE Enterprise Storage 6 (aarch64 x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1

   - SUSE Enterprise Storage 6 (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE CaaS Platform 4.0 (noarch):

      nginx-source-1.16.1-150100.6.16.1

   - SUSE CaaS Platform 4.0 (x86_64):

      nginx-1.16.1-150100.6.16.1
      nginx-debuginfo-1.16.1-150100.6.16.1
      nginx-debugsource-1.16.1-150100.6.16.1


References:

   https://www.suse.com/security/cve/CVE-2021-3618.html
   https://bugzilla.suse.com/1187685