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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2293
                        Security update for go1.15
                                1 July 2021

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

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

Product:           go1.15
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service              -- Remote/Unauthenticated      
                   Provide Misleading Information -- Remote with User Interaction
                   Reduced Security               -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-33198 CVE-2021-33197 CVE-2021-33196
                   CVE-2021-33195  

Reference:         ESB-2021.2255

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20212214-1

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SUSE Security Update: Security update for go1.15

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:2214-1
Rating:            important
References:        #1175132 #1186622 #1187443 #1187444 #1187445
Cross-References:  CVE-2021-33195 CVE-2021-33196 CVE-2021-33197 CVE-2021-33198
Affected Products:
                   SUSE Manager Server 4.0
                   SUSE Manager Retail Branch Server 4.0
                   SUSE Manager Proxy 4.0
                   SUSE Linux Enterprise Server for SAP 15-SP1
                   SUSE Linux Enterprise Server 15-SP1-LTSS
                   SUSE Linux Enterprise Server 15-SP1-BCL
                   SUSE Linux Enterprise Module for Development Tools 15-SP3
                   SUSE Linux Enterprise Module for Development Tools 15-SP2
                   SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                   SUSE Enterprise Storage 6
                   SUSE CaaS Platform 4.0
______________________________________________________________________________

An update that solves four vulnerabilities and has one errata is now available.

Description:

This update for go1.15 fixes the following issues:
Update to 1.15.13.
Includes these security fixes

  o CVE-2021-33195: net: Lookup functions may return invalid host names (bsc#
    1187443).
  o CVE-2021-33196: archive/zip: malformed archive may cause panic or memory
    exhaustion (bsc#1186622).
  o CVE-2021-33197: net/http/httputil: ReverseProxy forwards Connection headers
    if first one is empty (bsc#1187444)
  o CVE-2021-33198: math/big: (*Rat).SetString with
    "1.770p02041010010011001001" crashes with "makeslice: len out of range"
    (bsc#1187445).

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 Manager Server 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-2214=1
  o SUSE Manager Retail Branch Server 4.0:
    zypper in -t patch
    SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-2214=1
  o SUSE Manager Proxy 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-2214=1
  o SUSE Linux Enterprise Server for SAP 15-SP1:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-2214=1
  o SUSE Linux Enterprise Server 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-2214=1
  o SUSE Linux Enterprise Server 15-SP1-BCL:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-2214=1
  o SUSE Linux Enterprise Module for Development Tools 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP3-2021-2214=1
  o SUSE Linux Enterprise Module for Development Tools 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2021-2214=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-2214=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-2214=1
  o SUSE Enterprise Storage 6:
    zypper in -t patch SUSE-Storage-6-2021-2214=1
  o SUSE CaaS Platform 4.0:
    To install this update, use the SUSE CaaS Platform 'skuba' tool. I will
    inform you if it detects new updates and let you then trigger updating of
    the complete cluster in a controlled way.

Package List:

  o SUSE Manager Server 4.0 (ppc64le s390x x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
  o SUSE Manager Server 4.0 (x86_64):
       go1.15-race-1.15.13-1.33.1
  o SUSE Manager Retail Branch Server 4.0 (x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE Manager Proxy 4.0 (x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
  o SUSE Linux Enterprise Server for SAP 15-SP1 (x86_64):
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
  o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 x86_64):
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise Module for Development Tools 15-SP3 (aarch64 ppc64le
    s390x x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
  o SUSE Linux Enterprise Module for Development Tools 15-SP3 (aarch64 x86_64):
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise Module for Development Tools 15-SP2 (aarch64 ppc64le
    s390x x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
  o SUSE Linux Enterprise Module for Development Tools 15-SP2 (aarch64 x86_64):
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
    x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
    x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE Enterprise Storage 6 (aarch64 x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1
  o SUSE CaaS Platform 4.0 (x86_64):
       go1.15-1.15.13-1.33.1
       go1.15-doc-1.15.13-1.33.1
       go1.15-race-1.15.13-1.33.1


References:

  o https://www.suse.com/security/cve/CVE-2021-33195.html
  o https://www.suse.com/security/cve/CVE-2021-33196.html
  o https://www.suse.com/security/cve/CVE-2021-33197.html
  o https://www.suse.com/security/cve/CVE-2021-33198.html
  o https://bugzilla.suse.com/1175132
  o https://bugzilla.suse.com/1186622
  o https://bugzilla.suse.com/1187443
  o https://bugzilla.suse.com/1187444
  o https://bugzilla.suse.com/1187445

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