SUSE Security Update: Security update for bind
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:3773-1
Rating:             important
References:         #1192146 
Cross-References:   CVE-2021-25219
CVSS scores:
                    CVE-2021-25219 (NVD) : 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
                    CVE-2021-25219 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for bind fixes the following issues:

   - CVE-2021-25219: Fixed lame cache that could have been abused to severely
     degrade resolver performance (bsc#1192146).


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 Server Applications 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-3773=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-3773=1



Package List:

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

      bind-9.16.6-12.57.1
      bind-chrootenv-9.16.6-12.57.1
      bind-debuginfo-9.16.6-12.57.1
      bind-debugsource-9.16.6-12.57.1

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):

      bind-doc-9.16.6-12.57.1

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

      bind-debuginfo-9.16.6-12.57.1
      bind-debugsource-9.16.6-12.57.1
      bind-devel-9.16.6-12.57.1
      bind-utils-9.16.6-12.57.1
      bind-utils-debuginfo-9.16.6-12.57.1
      libbind9-1600-9.16.6-12.57.1
      libbind9-1600-debuginfo-9.16.6-12.57.1
      libdns1605-9.16.6-12.57.1
      libdns1605-debuginfo-9.16.6-12.57.1
      libirs-devel-9.16.6-12.57.1
      libirs1601-9.16.6-12.57.1
      libirs1601-debuginfo-9.16.6-12.57.1
      libisc1606-9.16.6-12.57.1
      libisc1606-debuginfo-9.16.6-12.57.1
      libisccc1600-9.16.6-12.57.1
      libisccc1600-debuginfo-9.16.6-12.57.1
      libisccfg1600-9.16.6-12.57.1
      libisccfg1600-debuginfo-9.16.6-12.57.1
      libns1604-9.16.6-12.57.1
      libns1604-debuginfo-9.16.6-12.57.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):

      python3-bind-9.16.6-12.57.1


References:

   https://www.suse.com/security/cve/CVE-2021-25219.html
   https://bugzilla.suse.com/1192146