SUSE-SU-2016:0723-1: moderate: Security update for libssh2_org

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

   SUSE Security Update: Security update for libssh2_org
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Announcement ID:    SUSE-SU-2016:0723-1
Rating:             moderate
References:         #961964 #967026 
Cross-References:   CVE-2016-0787
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11-SP4
                    SUSE Linux Enterprise Server 11-SP4
                    SUSE Linux Enterprise Desktop 11-SP4
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   An update that solves one vulnerability and has one errata
   is now available.

Description:


   This update for libssh2_org fixes the following issues:

   - Add SHA256 support for DH group exchange (fate#320343, bsc#961964)

   - fix 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.


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 11-SP4:

      zypper in -t patch sdksp4-libssh2_org-12445=1

   - SUSE Linux Enterprise Server 11-SP4:

      zypper in -t patch slessp4-libssh2_org-12445=1

   - SUSE Linux Enterprise Desktop 11-SP4:

      zypper in -t patch sledsp4-libssh2_org-12445=1

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


Package List:

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      libssh2-devel-1.2.9-4.2.6.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64):

      libssh2-1-32bit-1.2.9-4.2.6.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):

      libssh2-1-1.2.9-4.2.6.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (ia64):

      libssh2-1-x86-1.2.9-4.2.6.1

   - SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      libssh2-1-1.2.9-4.2.6.1

   - SUSE Linux Enterprise Desktop 11-SP4 (i586 x86_64):

      libssh2-1-1.2.9-4.2.6.1


References:

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