ESB-2018.2726 - [SUSE] python3: Denial of service - Remote with user interaction 2018-09-13

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

                               ESB-2018.2726
                        Security update for python3
                             13 September 2018

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

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

Product:           python3
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1061 CVE-2018-1060 

Reference:         ESB-2018.1638
                   ESB-2018.1560

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20182696-1/

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   SUSE Security Update: Security update for python3
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2696-1
Rating:             moderate
References:         #1086001 #1088004 #1088009 #1107030 
Cross-References:   CVE-2018-1060 CVE-2018-1061
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP3
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Module for Web Scripting 12
                    SUSE Linux Enterprise Desktop 12-SP3
______________________________________________________________________________

   An update that solves two vulnerabilities and has two fixes
   is now available.

Description:

   This update for python3 provides the following fixes:

   These security issues were fixed:

   - CVE-2018-1061: Prevent catastrophic backtracking in the
     difflib.IS_LINE_JUNK method. An attacker could have used this flaw to
     cause denial of service (bsc#1088004).
   - CVE-2018-1060: Prevent catastrophic backtracking in pop3lib's apop()
     method. An attacker could have used this flaw to cause denial of service
     (bsc#1088009).

   These non-security issues were fixed:

   - Sort files and directories when creating tarfile archives so that they
     are created in a more predictable way. (bsc#1086001)
   - Add -fwrapv to OPTS (bsc#1107030)


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:

   - SUSE Linux Enterprise Software Development Kit 12-SP3:

      zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1886=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1886=1

   - SUSE Linux Enterprise Module for Web Scripting 12:

      zypper in -t patch SUSE-SLE-Module-Web-Scripting-12-2018-1886=1

   - SUSE Linux Enterprise Desktop 12-SP3:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1886=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64):

      python3-base-debuginfo-3.4.6-25.16.1
      python3-base-debugsource-3.4.6-25.16.1
      python3-devel-3.4.6-25.16.1

   - SUSE Linux Enterprise Software Development Kit 12-SP3 (ppc64le s390x x86_64):

      python3-devel-debuginfo-3.4.6-25.16.1

   - SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):

      libpython3_4m1_0-3.4.6-25.16.1
      libpython3_4m1_0-debuginfo-3.4.6-25.16.1
      python3-3.4.6-25.16.1
      python3-base-3.4.6-25.16.1
      python3-base-debuginfo-3.4.6-25.16.1
      python3-base-debugsource-3.4.6-25.16.1
      python3-curses-3.4.6-25.16.1
      python3-curses-debuginfo-3.4.6-25.16.1
      python3-debuginfo-3.4.6-25.16.1
      python3-debugsource-3.4.6-25.16.1

   - SUSE Linux Enterprise Module for Web Scripting 12 (aarch64 ppc64le s390x x86_64):

      libpython3_4m1_0-3.4.6-25.16.1
      libpython3_4m1_0-debuginfo-3.4.6-25.16.1
      python3-3.4.6-25.16.1
      python3-base-3.4.6-25.16.1
      python3-base-debuginfo-3.4.6-25.16.1
      python3-base-debugsource-3.4.6-25.16.1
      python3-debuginfo-3.4.6-25.16.1
      python3-debugsource-3.4.6-25.16.1

   - SUSE Linux Enterprise Desktop 12-SP3 (x86_64):

      libpython3_4m1_0-3.4.6-25.16.1
      libpython3_4m1_0-debuginfo-3.4.6-25.16.1
      python3-3.4.6-25.16.1
      python3-base-3.4.6-25.16.1
      python3-base-debuginfo-3.4.6-25.16.1
      python3-base-debugsource-3.4.6-25.16.1
      python3-curses-3.4.6-25.16.1
      python3-curses-debuginfo-3.4.6-25.16.1
      python3-debuginfo-3.4.6-25.16.1
      python3-debugsource-3.4.6-25.16.1


References:

   https://www.suse.com/security/cve/CVE-2018-1060.html
   https://www.suse.com/security/cve/CVE-2018-1061.html
   https://bugzilla.suse.com/1086001
   https://bugzilla.suse.com/1088004
   https://bugzilla.suse.com/1088009
   https://bugzilla.suse.com/1107030

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