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

                               ESB-2021.0790
                  Security update for python-cryptography
                               4 March 2021

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

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

Product:           python-cryptography
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-36242  

Reference:         ESB-2021.0758
                   ESB-2021.0723

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20210696-1

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SUSE Security Update: Security update for python-cryptography

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:0696-1
Rating:            important
References:        #1182066
Cross-References:  CVE-2020-36242
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 for SAP 15
                   SUSE Linux Enterprise Server 15-SP1-LTSS
                   SUSE Linux Enterprise Server 15-SP1-BCL
                   SUSE Linux Enterprise Server 15-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                   SUSE Linux Enterprise High Performance Computing 15-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-ESPOS
                   SUSE Enterprise Storage 6
                   SUSE CaaS Platform 4.0
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for python-cryptography fixes the following issues:

  o CVE-2020-36242: Using the Fernet class to symmetrically encrypt multi
    gigabyte values could result in an integer overflow and buffer overflow
    (bsc#1182066).

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-4.0-2021-696=1
  o SUSE Manager Retail Branch Server 4.0:
    zypper in -t patch
    SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-696=1
  o SUSE Manager Proxy 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-696=1
  o SUSE Linux Enterprise Server for SAP 15-SP1:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-696=1
  o SUSE Linux Enterprise Server for SAP 15:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-696=1
  o SUSE Linux Enterprise Server 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-696=1
  o SUSE Linux Enterprise Server 15-SP1-BCL:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-696=1
  o SUSE Linux Enterprise Server 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-2021-696=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-696=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-696=1
  o SUSE Linux Enterprise High Performance Computing 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-696=1
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-696=1
  o SUSE Enterprise Storage 6:
    zypper in -t patch SUSE-Storage-6-2021-696=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):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Manager Retail Branch Server 4.0 (x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Manager Proxy 4.0 (x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
    x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
    x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE Enterprise Storage 6 (aarch64 x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2
  o SUSE CaaS Platform 4.0 (x86_64):
       python-cryptography-debuginfo-2.1.4-4.9.2
       python-cryptography-debugsource-2.1.4-4.9.2
       python2-cryptography-2.1.4-4.9.2
       python2-cryptography-debuginfo-2.1.4-4.9.2
       python3-cryptography-2.1.4-4.9.2
       python3-cryptography-debuginfo-2.1.4-4.9.2


References:

  o https://www.suse.com/security/cve/CVE-2020-36242.html
  o https://bugzilla.suse.com/1182066

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