SUSE-SU-2020:1772-1: important: Security update for unbound

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

   SUSE Security Update: Security update for unbound
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:1772-1
Rating:             important
References:         #1157268 #1171889 
Cross-References:   CVE-2019-18934 CVE-2020-12662 CVE-2020-12663
                   
Affected Products:
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for unbound fixes the following issues:

   - CVE-2020-12662: Fixed an issue where unbound could have been tricked
     into amplifying an incoming query into a large number of queries
     directed to a target (bsc#1171889).
   - CVE-2020-12663: Fixed an issue where malformed answers from upstream
     name servers could have been used to make unbound unresponsive
     (bsc#1171889).
   - CVE-2019-18934: Fixed a vulnerability in the IPSec module which could
     have allowed code execution after receiving a special crafted answer
     (bsc#1157268).


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 Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-1772=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1772=1



Package List:

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      libunbound2-1.6.8-10.3.1
      libunbound2-debuginfo-1.6.8-10.3.1
      unbound-anchor-1.6.8-10.3.1
      unbound-anchor-debuginfo-1.6.8-10.3.1
      unbound-debuginfo-1.6.8-10.3.1
      unbound-debugsource-1.6.8-10.3.1
      unbound-devel-1.6.8-10.3.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):

      libunbound2-1.6.8-10.3.1
      libunbound2-debuginfo-1.6.8-10.3.1
      unbound-anchor-1.6.8-10.3.1
      unbound-anchor-debuginfo-1.6.8-10.3.1
      unbound-debuginfo-1.6.8-10.3.1
      unbound-debugsource-1.6.8-10.3.1
      unbound-devel-1.6.8-10.3.1


References:

   https://www.suse.com/security/cve/CVE-2019-18934.html
   https://www.suse.com/security/cve/CVE-2020-12662.html
   https://www.suse.com/security/cve/CVE-2020-12663.html
   https://bugzilla.suse.com/1157268
   https://bugzilla.suse.com/1171889