RedHat: RHSA-2020-4500:01 Moderate: bind security, bug fix,
Summary
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain
Name System (DNS) protocols. BIND includes a DNS server (named); a resolver
library (routines for applications to use when interfacing with DNS); and
tools for verifying that the DNS server is operating correctly.
The following packages have been upgraded to a later upstream version: bind
(9.11.20). (BZ#1818785)
Security Fix(es):
* bind: asterisk character in an empty non-terminal can cause an assertion
failure in rbtdb.c (CVE-2020-8619)
* bind: truncated TSIG response can lead to an assertion failure
(CVE-2020-8622)
* bind: remotely triggerable assertion failure in pk11.c (CVE-2020-8623)
* bind: incorrect enforcement of update-policy rules of type "subdomain"
(CVE-2020-8624)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from the References section.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing the update, the BIND daemon (named) will be restarted
automatically.
References
https://access.redhat.com/security/cve/CVE-2020-8619 https://access.redhat.com/security/cve/CVE-2020-8622 https://access.redhat.com/security/cve/CVE-2020-8623 https://access.redhat.com/security/cve/CVE-2020-8624 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/index
Package List
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
bind-9.11.20-5.el8.aarch64.rpm
bind-chroot-9.11.20-5.el8.aarch64.rpm
bind-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-debugsource-9.11.20-5.el8.aarch64.rpm
bind-devel-9.11.20-5.el8.aarch64.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-libs-9.11.20-5.el8.aarch64.rpm
bind-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-libs-lite-9.11.20-5.el8.aarch64.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-lite-devel-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-devel-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-libs-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-utils-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-sdb-9.11.20-5.el8.aarch64.rpm
bind-sdb-chroot-9.11.20-5.el8.aarch64.rpm
bind-sdb-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-utils-9.11.20-5.el8.aarch64.rpm
bind-utils-debuginfo-9.11.20-5.el8.aarch64.rpm
noarch:
bind-license-9.11.20-5.el8.noarch.rpm
python3-bind-9.11.20-5.el8.noarch.rpm
ppc64le:
bind-9.11.20-5.el8.ppc64le.rpm
bind-chroot-9.11.20-5.el8.ppc64le.rpm
bind-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-debugsource-9.11.20-5.el8.ppc64le.rpm
bind-devel-9.11.20-5.el8.ppc64le.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-libs-9.11.20-5.el8.ppc64le.rpm
bind-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-libs-lite-9.11.20-5.el8.ppc64le.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-lite-devel-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-devel-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-libs-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-utils-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-sdb-9.11.20-5.el8.ppc64le.rpm
bind-sdb-chroot-9.11.20-5.el8.ppc64le.rpm
bind-sdb-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-utils-9.11.20-5.el8.ppc64le.rpm
bind-utils-debuginfo-9.11.20-5.el8.ppc64le.rpm
s390x:
bind-9.11.20-5.el8.s390x.rpm
bind-chroot-9.11.20-5.el8.s390x.rpm
bind-debuginfo-9.11.20-5.el8.s390x.rpm
bind-debugsource-9.11.20-5.el8.s390x.rpm
bind-devel-9.11.20-5.el8.s390x.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-libs-9.11.20-5.el8.s390x.rpm
bind-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-libs-lite-9.11.20-5.el8.s390x.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.s390x.rpm
bind-lite-devel-9.11.20-5.el8.s390x.rpm
bind-pkcs11-9.11.20-5.el8.s390x.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.s390x.rpm
bind-pkcs11-devel-9.11.20-5.el8.s390x.rpm
bind-pkcs11-libs-9.11.20-5.el8.s390x.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-pkcs11-utils-9.11.20-5.el8.s390x.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.s390x.rpm
bind-sdb-9.11.20-5.el8.s390x.rpm
bind-sdb-chroot-9.11.20-5.el8.s390x.rpm
bind-sdb-debuginfo-9.11.20-5.el8.s390x.rpm
bind-utils-9.11.20-5.el8.s390x.rpm
bind-utils-debuginfo-9.11.20-5.el8.s390x.rpm
x86_64:
bind-9.11.20-5.el8.x86_64.rpm
bind-chroot-9.11.20-5.el8.x86_64.rpm
bind-debuginfo-9.11.20-5.el8.i686.rpm
bind-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-debugsource-9.11.20-5.el8.i686.rpm
bind-debugsource-9.11.20-5.el8.x86_64.rpm
bind-devel-9.11.20-5.el8.i686.rpm
bind-devel-9.11.20-5.el8.x86_64.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-libs-9.11.20-5.el8.i686.rpm
bind-libs-9.11.20-5.el8.x86_64.rpm
bind-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-libs-lite-9.11.20-5.el8.i686.rpm
bind-libs-lite-9.11.20-5.el8.x86_64.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.i686.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-lite-devel-9.11.20-5.el8.i686.rpm
bind-lite-devel-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-devel-9.11.20-5.el8.i686.rpm
bind-pkcs11-devel-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-libs-9.11.20-5.el8.i686.rpm
bind-pkcs11-libs-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-utils-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-sdb-9.11.20-5.el8.x86_64.rpm
bind-sdb-chroot-9.11.20-5.el8.x86_64.rpm
bind-sdb-debuginfo-9.11.20-5.el8.i686.rpm
bind-sdb-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-utils-9.11.20-5.el8.x86_64.rpm
bind-utils-debuginfo-9.11.20-5.el8.i686.rpm
bind-utils-debuginfo-9.11.20-5.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
bind-9.11.20-5.el8.src.rpm
aarch64:
bind-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-debugsource-9.11.20-5.el8.aarch64.rpm
bind-export-devel-9.11.20-5.el8.aarch64.rpm
bind-export-libs-9.11.20-5.el8.aarch64.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-sdb-debuginfo-9.11.20-5.el8.aarch64.rpm
bind-utils-debuginfo-9.11.20-5.el8.aarch64.rpm
ppc64le:
bind-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-debugsource-9.11.20-5.el8.ppc64le.rpm
bind-export-devel-9.11.20-5.el8.ppc64le.rpm
bind-export-libs-9.11.20-5.el8.ppc64le.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-sdb-debuginfo-9.11.20-5.el8.ppc64le.rpm
bind-utils-debuginfo-9.11.20-5.el8.ppc64le.rpm
s390x:
bind-debuginfo-9.11.20-5.el8.s390x.rpm
bind-debugsource-9.11.20-5.el8.s390x.rpm
bind-export-devel-9.11.20-5.el8.s390x.rpm
bind-export-libs-9.11.20-5.el8.s390x.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.s390x.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.s390x.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.s390x.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.s390x.rpm
bind-sdb-debuginfo-9.11.20-5.el8.s390x.rpm
bind-utils-debuginfo-9.11.20-5.el8.s390x.rpm
x86_64:
bind-debuginfo-9.11.20-5.el8.i686.rpm
bind-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-debugsource-9.11.20-5.el8.i686.rpm
bind-debugsource-9.11.20-5.el8.x86_64.rpm
bind-export-devel-9.11.20-5.el8.i686.rpm
bind-export-devel-9.11.20-5.el8.x86_64.rpm
bind-export-libs-9.11.20-5.el8.i686.rpm
bind-export-libs-9.11.20-5.el8.x86_64.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-export-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.i686.rpm
bind-libs-lite-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-libs-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.i686.rpm
bind-pkcs11-utils-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-sdb-debuginfo-9.11.20-5.el8.i686.rpm
bind-sdb-debuginfo-9.11.20-5.el8.x86_64.rpm
bind-utils-debuginfo-9.11.20-5.el8.i686.rpm
bind-utils-debuginfo-9.11.20-5.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for bind is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1693395 - Remove revoked KSK from trusted keys
1749505 - internal test suite failures
1814158 - bind internal testsuite, random failure in autosign
1817870 - /usr/bin/nsupdate -g segfault when connect to AD
1847244 - CVE-2020-8619 bind: asterisk character in an empty non-terminal can cause an assertion failure in rbtdb.c
1848169 - named-checkconf fails to validate configuration file with CIDRs with host bits set
1859454 - named-pkcs11.service: (named-pkcs11) of user 25 dumped core.
1869473 - CVE-2020-8622 bind: truncated TSIG response can lead to an assertion failure
1869477 - CVE-2020-8623 bind: remotely triggerable assertion failure in pk11.c
1869480 - CVE-2020-8624 bind: incorrect enforcement of update-policy rules of type "subdomain"