SUSE-SU-2016:0718-1: moderate: Security update for libssh2_org

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for libssh2_org
______________________________________________________________________________

Announcement ID:    SUSE-SU-2016:0718-1
Rating:             moderate
References:         #933336 #961964 #967026 
Cross-References:   CVE-2016-0787
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP1
                    SUSE Linux Enterprise Software Development Kit 12
                    SUSE Linux Enterprise Server 12-SP1
                    SUSE Linux Enterprise Server 12
                    SUSE Linux Enterprise Desktop 12-SP1
                    SUSE Linux Enterprise Desktop 12
______________________________________________________________________________

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

Description:


   This update for libssh2_org fixes the following issues:

   Security issue fixed:
   - CVE-2016-0787 (bsc#967026): Weakness in diffie-hellman secret key
     generation lead to much shorter DH groups then needed, which could be
     used to retrieve server keys.

   A feature was added:
   - Support of SHA256 digests for DH group exchanges was added (fate#320343,
     bsc#961964)

   Bug fixed:
   - Properly detect EVP_aes_128_ctr at configure time (bsc#933336)


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 12-SP1:

      zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-413=1

   - SUSE Linux Enterprise Software Development Kit 12:

      zypper in -t patch SUSE-SLE-SDK-12-2016-413=1

   - SUSE Linux Enterprise Server 12-SP1:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-413=1

   - SUSE Linux Enterprise Server 12:

      zypper in -t patch SUSE-SLE-SERVER-12-2016-413=1

   - SUSE Linux Enterprise Desktop 12-SP1:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-413=1

   - SUSE Linux Enterprise Desktop 12:

      zypper in -t patch SUSE-SLE-DESKTOP-12-2016-413=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP1 (ppc64le s390x x86_64):

      libssh2-devel-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1

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

      libssh2-devel-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1

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

      libssh2-1-1.4.3-16.1
      libssh2-1-debuginfo-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1

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

      libssh2-1-32bit-1.4.3-16.1
      libssh2-1-debuginfo-32bit-1.4.3-16.1

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

      libssh2-1-1.4.3-16.1
      libssh2-1-debuginfo-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1

   - SUSE Linux Enterprise Server 12 (s390x x86_64):

      libssh2-1-32bit-1.4.3-16.1
      libssh2-1-debuginfo-32bit-1.4.3-16.1

   - SUSE Linux Enterprise Desktop 12-SP1 (x86_64):

      libssh2-1-1.4.3-16.1
      libssh2-1-32bit-1.4.3-16.1
      libssh2-1-debuginfo-1.4.3-16.1
      libssh2-1-debuginfo-32bit-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1

   - SUSE Linux Enterprise Desktop 12 (x86_64):

      libssh2-1-1.4.3-16.1
      libssh2-1-32bit-1.4.3-16.1
      libssh2-1-debuginfo-1.4.3-16.1
      libssh2-1-debuginfo-32bit-1.4.3-16.1
      libssh2_org-debugsource-1.4.3-16.1


References:

   https://www.suse.com/security/cve/CVE-2016-0787.html
   https://bugzilla.suse.com/933336
   https://bugzilla.suse.com/961964
   https://bugzilla.suse.com/967026