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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1861
                         Security update for nginx
                                1 June 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-2021.1851
                   ESB-2021.1840

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20211814-1
   https://www.suse.com/support/update/announcement/2021/suse-su-20211815-1

Comment: This bulletin contains two (2) SUSE security advisories.

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SUSE Security Update: Security update for nginx
______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1814-1
Rating:            important
References:        #1186126
Cross-References:  CVE-2021-23017
Affected Products:
                   SUSE Linux Enterprise Module for Server Applications 15-SP2
______________________________________________________________________________

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 Module for Server Applications 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-1814=1

Package List:

  o SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64
    ppc64le s390x x86_64):
       nginx-1.16.1-3.3.1
       nginx-debuginfo-1.16.1-3.3.1
       nginx-debugsource-1.16.1-3.3.1
  o SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
       nginx-source-1.16.1-3.3.1


References:

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

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1815-1
Rating:            important
References:        #1186126
Cross-References:  CVE-2021-23017
Affected Products:
                   SUSE Linux Enterprise Module for Server Applications 15-SP3
______________________________________________________________________________

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 Module for Server Applications 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-1815=1

Package List:

  o SUSE Linux Enterprise Module for Server Applications 15-SP3 (aarch64
    ppc64le s390x x86_64):
       nginx-1.19.8-3.3.1
       nginx-debuginfo-1.19.8-3.3.1
       nginx-debugsource-1.19.8-3.3.1
  o SUSE Linux Enterprise Module for Server Applications 15-SP3 (noarch):
       nginx-source-1.19.8-3.3.1


References:

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

- --------------------------END INCLUDED TEXT--------------------

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