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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1840
                         Security update for nginx
                                28 May 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           nginx
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-23017  

Reference:         ESB-2021.1833
                   ESB-2021.1817
                   ESB-2021.1802

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20211792-1

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SUSE Security Update: Security update for nginx

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1792-1
Rating:            important
References:        #1186126
Cross-References:  CVE-2021-23017
Affected Products:
                   SUSE Linux Enterprise Server for SAP 15
                   SUSE Linux Enterprise Server 15-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for nginx fixes the following issues:

  o CVE-2021-23017: nginx DNS resolver off-by-one heap write (bsc#1186126)

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:

  o SUSE Linux Enterprise Server for SAP 15:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1792=1
  o SUSE Linux Enterprise Server 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1792=1
  o SUSE Linux Enterprise High Performance Computing 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1792=1
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1792=1

Package List:

  o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
       nginx-1.16.1-3.15.1
       nginx-debuginfo-1.16.1-3.15.1
       nginx-debugsource-1.16.1-3.15.1
  o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
       nginx-1.16.1-3.15.1
       nginx-debuginfo-1.16.1-3.15.1
       nginx-debugsource-1.16.1-3.15.1
  o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
       nginx-1.16.1-3.15.1
       nginx-debuginfo-1.16.1-3.15.1
       nginx-debugsource-1.16.1-3.15.1
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
       nginx-1.16.1-3.15.1
       nginx-debuginfo-1.16.1-3.15.1
       nginx-debugsource-1.16.1-3.15.1


References:

  o https://www.suse.com/security/cve/CVE-2021-23017.html
  o https://bugzilla.suse.com/1186126

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===========================================================================
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