4 - RHSA-2019:2057

Problem Description:

An update for bind is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

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 (9.11.4). (BZ#1640561)

Security Fix(es):

* bind: Incorrect documentation of krb5-subdomain and ms-subdomain update policies (CVE-2018-5741)

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 7.7 Release Notes linked from the References section.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1520808 - b-root-server's ip-address in named.ca is old. 1578128 - [RFE] Provide delv functionality 1630058 - bind does not support the "log" keyword in a response-policy zone definitions (feature from bind 9.11) 1630160 - internal testsuite uses command dig instead of variable $DIG 1631131 - CVE-2018-5741 bind: Incorrect documentation of krb5-subdomain and ms-subdomain update policies 1631407 - man rndc should mention "negative trust anchors" 1640561 - [RFE] rebase to ESV bind 9.11 1676661 - named user has outdated /bin/false as a shell 1685940 - libisc doesn't initialize entropy pool for ssl context 1720703 - Latest bind (9.9) update now causes zone transfer to always fail.