SUSE Security Update: Security update for openssh
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2685-1
Rating:             moderate
References:         #1016370 #1017099 #1023275 #1048367 #1053972 
                    #1065000 #1069509 #1076957 #1092582 
Cross-References:   CVE-2008-1483 CVE-2016-10012 CVE-2016-10708
                    CVE-2017-15906
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP1
                    SUSE Linux Enterprise Server 12-SP1-LTSS
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that solves four vulnerabilities and has 5 fixes
   is now available.

Description:

   This update for openssh provides the following fixes:

   Security issues fixed:

   - CVE-2017-15906: Stricter checking of operations in read-only mode in
     sftp server (bsc#1065000).
   - CVE-2016-10012: Remove pre-auth compression support from the server to
     prevent possible cryptographic attacks (bsc#1016370).
   - CVE-2008-1483: Refine handling of sockets for X11 forwarding to remove
     reintroduced CVE-2008-1483 (bsc#1069509).
   - CVE-2016-10708: Prevent DoS due to crashes caused by out-of-sequence
     NEWKEYS message (bsc#1076957).

   Bug fixes:

   - bsc#1017099: Enable case-insensitive hostname matching.
   - bsc#1023275: Add a new switch for printing diagnostic messages in sftp
     client's batch mode.
   - bsc#1048367: systemd integration to work around various race conditions.
   - bsc#1053972: Remove duplicate KEX method.
   - bsc#1092582: Add missing piece of systemd integration.
   - Remove the limit on the amount of tasks sshd can run.


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 Server for SAP 12-SP1:

      zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1876=1

   - SUSE Linux Enterprise Server 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1876=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1876=1



Package List:

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

      openssh-6.6p1-54.15.2
      openssh-askpass-gnome-6.6p1-54.15.1
      openssh-askpass-gnome-debuginfo-6.6p1-54.15.1
      openssh-debuginfo-6.6p1-54.15.2
      openssh-debugsource-6.6p1-54.15.2
      openssh-fips-6.6p1-54.15.2
      openssh-helpers-6.6p1-54.15.2
      openssh-helpers-debuginfo-6.6p1-54.15.2

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

      openssh-6.6p1-54.15.2
      openssh-askpass-gnome-6.6p1-54.15.1
      openssh-askpass-gnome-debuginfo-6.6p1-54.15.1
      openssh-debuginfo-6.6p1-54.15.2
      openssh-debugsource-6.6p1-54.15.2
      openssh-fips-6.6p1-54.15.2
      openssh-helpers-6.6p1-54.15.2
      openssh-helpers-debuginfo-6.6p1-54.15.2

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

      openssh-6.6p1-54.15.2
      openssh-askpass-gnome-6.6p1-54.15.1
      openssh-askpass-gnome-debuginfo-6.6p1-54.15.1
      openssh-debuginfo-6.6p1-54.15.2
      openssh-debugsource-6.6p1-54.15.2
      openssh-fips-6.6p1-54.15.2
      openssh-helpers-6.6p1-54.15.2
      openssh-helpers-debuginfo-6.6p1-54.15.2


References:

   https://www.suse.com/security/cve/CVE-2008-1483.html
   https://www.suse.com/security/cve/CVE-2016-10012.html
   https://www.suse.com/security/cve/CVE-2016-10708.html
   https://www.suse.com/security/cve/CVE-2017-15906.html
   https://bugzilla.suse.com/1016370
   https://bugzilla.suse.com/1017099
   https://bugzilla.suse.com/1023275
   https://bugzilla.suse.com/1048367
   https://bugzilla.suse.com/1053972
   https://bugzilla.suse.com/1065000
   https://bugzilla.suse.com/1069509
   https://bugzilla.suse.com/1076957
   https://bugzilla.suse.com/1092582

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