Sicherheit: Denial of Service in dovecot22 - Pro-Linux

   SUSE Security Update: Security update for dovecot22
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2632-1
Rating:             important
References:         #1082828 
Cross-References:   CVE-2017-15130
Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Software Development Kit 12-SP3
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server for SAP 12-SP1
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP1-LTSS
                    SUSE Linux Enterprise Server 12-LTSS
                    SUSE Enterprise Storage 4
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for dovecot22 fixes the following issues:

   Security issue fixed:

   - CVE-2017-15130: Fixed a potential denial of service via TLS SNI config
     lookups, which would slow the process down and could have led to
     exhaustive memory allocation and/or process restarts (bsc#1082828)

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 OpenStack Cloud 7:

      zypper in -t patch SUSE-OpenStack-Cloud-7-2018-1844=1

   - SUSE Linux Enterprise Software Development Kit 12-SP3:

      zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1844=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-1844=1

   - SUSE Linux Enterprise Server for SAP 12-SP1:

      zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1844=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1844=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-1844=1

   - SUSE Linux Enterprise Server 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1844=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1844=1

   - SUSE Enterprise Storage 4:

      zypper in -t patch SUSE-Storage-4-2018-1844=1

Package List:

   - SUSE OpenStack Cloud 7 (s390x x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

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

      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1
      dovecot22-devel-2.2.31-19.11.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

   - SUSE Linux Enterprise Server for SAP 12-SP1 (ppc64le x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

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

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

   - SUSE Linux Enterprise Server 12-SP1-LTSS (ppc64le s390x x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

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

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

   - SUSE Enterprise Storage 4 (x86_64):

      dovecot22-2.2.31-19.11.1
      dovecot22-backend-mysql-2.2.31-19.11.1
      dovecot22-backend-mysql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-pgsql-2.2.31-19.11.1
      dovecot22-backend-pgsql-debuginfo-2.2.31-19.11.1
      dovecot22-backend-sqlite-2.2.31-19.11.1
      dovecot22-backend-sqlite-debuginfo-2.2.31-19.11.1
      dovecot22-debuginfo-2.2.31-19.11.1
      dovecot22-debugsource-2.2.31-19.11.1

References:

   https://www.suse.com/security/cve/CVE-2017-15130.html
   https://bugzilla.suse.com/1082828

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