Revision Date: | 2020-12-01 | Version: | 1 |
Title: | Security update for bind (Moderate) |
Description: |
This update for bind fixes the following issues:
BIND was upgraded to version 9.16.6:
Note:
- bind is now more strict in regards to DNSSEC. If queries are not working, check for DNSSEC issues. For instance, if bind is used in a namserver forwarder chain, the forwarding DNS servers must support DNSSEC.
Fixing security issues:
- CVE-2020-8616: Further limit the number of queries that can be triggered from a request. Root and TLD servers are no longer exempt from max-recursion-queries. Fetches for missing name server. (bsc#1171740) Address records are limited to 4 for any domain. - CVE-2020-8617: Replaying a TSIG BADTIME response as a request could trigger an assertion failure. (bsc#1171740) - CVE-2019-6477: Fixed an issue where TCP-pipelined queries could bypass the tcp-clients limit (bsc#1157051). - CVE-2018-5741: Fixed the documentation (bsc#1109160). - CVE-2020-8618: It was possible to trigger an INSIST when determining whether a record would fit into a TCP message buffer (bsc#1172958). - CVE-2020-8619: It was possible to trigger an INSIST in lib/dns/rbtdb.c:new_reference() with a particular zone content and query patterns (bsc#1172958). - CVE-2020-8624: 'update-policy' rules of type 'subdomain' were incorrectly treated as 'zonesub' rules, which allowed keys used in 'subdomain' rules to update names outside of the specified subdomains. The problem was fixed by making sure 'subdomain' rules are again processed as described in the ARM (bsc#1175443). - CVE-2020-8623: When BIND 9 was compiled with native PKCS#11 support, it was possible to trigger an assertion failure in code determining the number of bits in the PKCS#11 RSA public key with a specially crafted packet (bsc#1175443). - CVE-2020-8621: named could crash in certain query resolution scenarios where QNAME minimization and forwarding were both enabled (bsc#1175443). - CVE-2020-8620: It was possible to trigger an assertion failure by sending a specially crafted large TCP DNS message (bsc#1175443). - CVE-2020-8622: It was possible to trigger an assertion failure when verifying the response to a TSIG-signed request (bsc#1175443).
Other issues fixed:
- Add engine support to OpenSSL EdDSA implementation. - Add engine support to OpenSSL ECDSA implementation. - Update PKCS#11 EdDSA implementation to PKCS#11 v3.0. - Warn about AXFR streams with inconsistent message IDs. - Make ISC rwlock implementation the default again. - Fixed issues when using cookie-secrets for AES and SHA2 (bsc#1161168) - Installed the default files in /var/lib/named and created chroot environment on systems using transactional-updates (bsc#1100369, fate#325524) - Fixed an issue where bind was not working in FIPS mode (bsc#906079). - Fixed dependency issues (bsc#1118367 and bsc#1118368). - GeoIP support is now discontinued, now GeoIP2 is used(bsc#1156205). - Fixed an issue with FIPS (bsc#1128220). - The liblwres library is discontinued upstream and is no longer included. - Added service dependency on NTP to make sure the clock is accurate when bind is starts (bsc#1170667, bsc#1170713). - Reject DS records at the zone apex when loading master files. Log but otherwise ignore attempts to add DS records at the zone apex via UPDATE. - The default value of 'max-stale-ttl' has been changed from 1 week to 12 hours. - Zone timers are now exported via statistics channel. - The 'primary' and 'secondary' keywords, when used as parameters for 'check-names', were not processed correctly and were being ignored. - 'rndc dnstap -roll ' did not limit the number of saved files to . - Add 'rndc dnssec -status' command. - Addressed a couple of situations where named could crash. - Changed /var/lib/named to owner root:named and perms rwxrwxr-t so that named, being a/the only member of the 'named' group has full r/w access yet cannot change directories owned by root in the case of a compromized named. [bsc#1173307, bind-chrootenv.conf] - Added '/etc/bind.keys' to NAMED_CONF_INCLUDE_FILES in /etc/sysconfig/named to suppress warning message re missing file (bsc#1173983). - Removed '-r /dev/urandom' from all invocations of rndc-confgen (init/named system/lwresd.init system/named.init in vendor-files) as this option is deprecated and causes rndc-confgen to fail. (bsc#1173311, bsc#1176674, bsc#1170713) - /usr/bin/genDDNSkey: Removing the use of the -r option in the call of /usr/sbin/dnssec-keygen as BIND now uses the random number functions provided by the crypto library (i.e., OpenSSL or a PKCS#11 provider) as a source of randomness rather than /dev/random. Therefore the -r command line option no longer has any effect on dnssec-keygen. Leaving the option in genDDNSkey as to not break compatibility. Patch provided by Stefan Eisenwiener. [bsc#1171313] - Put libns into a separate subpackage to avoid file conflicts in the libisc subpackage due to different sonums (bsc#1176092). - Require /sbin/start_daemon: both init scripts, the one used in systemd context as well as legacy sysv, make use of start_daemon.
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Family: | unix | Class: | patch |
Status: | | Reference(s): | 1058115 1065729 1071995 1085030 1100369 1109160 1118367 1118368 1128220 1130694 1133267 1135824 1148868 1152472 1152489 1153259 1153274 1154353 1154492 1155518 1155784 1155798 1156205 1156395 1157051 1157169 1158050 1158242 1158265 1158696 1158748 1158765 1158983 1159781 1159867 1160947 1161168 1161495 1162002 1162063 1162400 1162702 1164648 1164777 1164780 1165211 1165933 1165975 1166985 1167104 1167651 1167773 1168230 1168779 1168838 1168959 1169021 1169094 1169194 1169514 1169681 1169771 1170011 1170284 1170442 1170617 1170667 1170713 1170774 1170879 1170891 1170895 1171150 1171189 1171191 1171219 1171220 1171246 1171313 1171417 1171513 1171529 1171530 1171662 1171688 1171699 1171732 1171739 1171740 1171743 1171759 1171828 1171857 1171868 1171904 1171915 1171982 1171983 1171988 1172017 1172046 1172061 1172062 1172063 1172064 1172065 1172066 1172067 1172068 1172069 1172073 1172086 1172095 1172169 1172170 1172201 1172208 1172223 1172342 1172343 1172344 1172365 1172366 1172374 1172391 1172393 1172394 1172453 1172458 1172467 1172484 1172537 1172543 1172687 1172719 1172739 1172751 1172759 1172775 1172781 1172782 1172783 1172814 1172823 1172841 1172871 1172938 1172939 1172940 1172956 1172958 1172983 1172984 1172985 1172986 1172987 1172988 1172989 1172990 1172999 1173060 1173068 1173074 1173085 1173139 1173206 1173271 1173280 1173284 1173307 1173311 1173428 1173438 1173461 1173514 1173552 1173573 1173625 1173746 1173776 1173817 1173818 1173820 1173822 1173823 1173824 1173825 1173826 1173827 1173828 1173830 1173831 1173832 1173833 1173834 1173836 1173837 1173838 1173839 1173841 1173843 1173844 1173845 1173847 1173849 1173860 1173894 1173941 1173983 1174018 1174072 1174116 1174126 1174127 1174128 1174129 1174185 1174244 1174263 1174264 1174331 1174332 1174333 1174345 1174356 1174396 1174398 1174407 1174409 1174411 1174438 1174462 1174513 1174527 1174543 1174627 1175443 1176092 1176674 906079 962849 CVE-2009-1273 CVE-2011-0421 CVE-2012-0786 CVE-2012-1162 CVE-2012-1163 CVE-2012-1571 CVE-2013-2062 CVE-2013-2142 CVE-2013-4314 CVE-2014-3564 CVE-2014-3618 CVE-2014-3710 CVE-2014-5044 CVE-2014-8116 CVE-2014-8117 CVE-2015-2331 CVE-2015-5198 CVE-2015-5199 CVE-2015-5200 CVE-2016-5104 CVE-2017-14107 CVE-2017-3136 CVE-2018-18511 CVE-2018-5741 CVE-2018-9275 CVE-2019-11691 CVE-2019-11692 CVE-2019-11693 CVE-2019-11694 CVE-2019-11698 CVE-2019-19462 CVE-2019-19727 CVE-2019-20810 CVE-2019-20812 CVE-2019-5798 CVE-2019-6477 CVE-2019-7317 CVE-2019-9797 CVE-2019-9800 CVE-2019-9815 CVE-2019-9816 CVE-2019-9817 CVE-2019-9818 CVE-2019-9819 CVE-2019-9820 CVE-2020-0305 CVE-2020-10135 CVE-2020-10711 CVE-2020-10732 CVE-2020-10751 CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 CVE-2020-10773 CVE-2020-10781 CVE-2020-12656 CVE-2020-12769 CVE-2020-12771 CVE-2020-12888 CVE-2020-13143 CVE-2020-13974 CVE-2020-14416 CVE-2020-15393 CVE-2020-15780 CVE-2020-8616 CVE-2020-8617 CVE-2020-8618 CVE-2020-8619 CVE-2020-8620 CVE-2020-8621 CVE-2020-8622 CVE-2020-8623 CVE-2020-8624 SUSE-SU-2019:1458-1 SUSE-SU-2020:0228-1 SUSE-SU-2020:2105-1
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Platform(s): | openSUSE Leap 15.0 openSUSE Leap 15.1 SUSE Linux Enterprise Desktop 11 SP2 SUSE Linux Enterprise Desktop 11 SP3 SUSE Linux Enterprise Desktop 12 SUSE Linux Enterprise Desktop 12 SP1 SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Module for High Performance Computing 15 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP2-ESPOS SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3-BCL SUSE Linux Enterprise Server 12 SP3-ESPOS SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Workstation Extension 15 SP1 SUSE Linux Enterprise Workstation Extension 15 SP2 SUSE OpenStack Cloud 6 SUSE OpenStack Cloud 7 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8
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