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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3862
                         Security update for bind
                             12 November 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           bind
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-25219  

Reference:         ESB-2021.3706
                   ESB-2021.3647
                   ESB-2021.3629
                   ESB-2021.3616

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20213657-1

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SUSE Security Update: Security update for bind

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:3657-1
Rating:            important
References:        #1192146
Cross-References:  CVE-2021-25219
Affected Products:
                   SUSE Linux Enterprise Software Development Kit 12-SP5
                   SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for bind fixes the following issues:

  o 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:

  o SUSE Linux Enterprise Software Development Kit 12-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-3657=1
  o SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3657=1

Package List:

  o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le
    s390x x86_64):
       bind-debuginfo-9.11.22-3.37.1
       bind-debugsource-9.11.22-3.37.1
       bind-devel-9.11.22-3.37.1
  o SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
       bind-9.11.22-3.37.1
       bind-chrootenv-9.11.22-3.37.1
       bind-debuginfo-9.11.22-3.37.1
       bind-debugsource-9.11.22-3.37.1
       bind-utils-9.11.22-3.37.1
       bind-utils-debuginfo-9.11.22-3.37.1
       libbind9-161-9.11.22-3.37.1
       libbind9-161-debuginfo-9.11.22-3.37.1
       libdns1110-9.11.22-3.37.1
       libdns1110-debuginfo-9.11.22-3.37.1
       libirs161-9.11.22-3.37.1
       libirs161-debuginfo-9.11.22-3.37.1
       libisc1107-9.11.22-3.37.1
       libisc1107-debuginfo-9.11.22-3.37.1
       libisccc161-9.11.22-3.37.1
       libisccc161-debuginfo-9.11.22-3.37.1
       libisccfg163-9.11.22-3.37.1
       libisccfg163-debuginfo-9.11.22-3.37.1
       liblwres161-9.11.22-3.37.1
       liblwres161-debuginfo-9.11.22-3.37.1
  o SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):
       libisc1107-32bit-9.11.22-3.37.1
       libisc1107-debuginfo-32bit-9.11.22-3.37.1
  o SUSE Linux Enterprise Server 12-SP5 (noarch):
       bind-doc-9.11.22-3.37.1
       python-bind-9.11.22-3.37.1


References:

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

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