Operating System:

[SUSE]

Published:

05 November 2019

Protect yourself against future threats.

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

                               ESB-2019.4090
           SUSE-SU-2019:2891-1 Security update for python-ecdsa
                              5 November 2019

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

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

Product:           python-ecdsa
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Access Privileged Data -- Existing Account      
                   Denial of Service      -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-14859 CVE-2019-14853 

Reference:         ESB-2019.4035

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20192891-1.html

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TITLE: SUSE-SU-2019:2891-1 Security update for python-ecdsa
URL:   https://www.suse.com/support/update/announcement/2019/suse-su-20192891-1.html

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SUSE Security Update: Security update for python-ecdsa

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:2891-1
Rating:            moderate
References:        #1153165 #1154217
Cross-References:  CVE-2019-14853 CVE-2019-14859
Affected Products:
                   SUSE Linux Enterprise Module for Public Cloud 15
                   SUSE Linux Enterprise Module for Packagehub Subpackages 15
                   SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
                   SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
                   SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for python-ecdsa to version 0.13.3 fixes the following issues:
Security issues fixed:

  o CVE-2019-14853: Fixed unexpected exceptions during signature decoding (bsc#
    1153165).
  o CVE-2019-14859: Fixed a signature malleability caused by insufficient
    checks of DER encoding (bsc#1154217).

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 Public Cloud 15:
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-2019-2891=1
  o SUSE Linux Enterprise Module for Packagehub Subpackages 15:
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-2019-2891=1
  o SUSE Linux Enterprise Module for Open Buildservice Development Tools
    15-SP1:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-2891=1
  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-2891=1
  o SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-2891=1

Package List:

  o SUSE Linux Enterprise Module for Public Cloud 15 (noarch):
       python3-ecdsa-0.13.3-3.3.1
  o SUSE Linux Enterprise Module for Packagehub Subpackages 15 (noarch):
       python2-ecdsa-0.13.3-3.3.1
  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
    (noarch):
       python2-ecdsa-0.13.3-3.3.1
  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
    (noarch):
       python2-ecdsa-0.13.3-3.3.1
  o SUSE Linux Enterprise Module for Basesystem 15-SP1 (noarch):
       python3-ecdsa-0.13.3-3.3.1


References:

  o https://www.suse.com/security/cve/CVE-2019-14853.html
  o https://www.suse.com/security/cve/CVE-2019-14859.html
  o https://bugzilla.suse.com/1153165
  o https://bugzilla.suse.com/1154217

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