Sigurnosni nedostaci programskog paketa bind

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by - 1. travnja 2020.0

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: bind security and bug fix update
Advisory ID: RHSA-2020:1061-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1061
Issue date: 2020-03-31
CVE Names: CVE-2018-5745 CVE-2019-6465 CVE-2019-6477
=====================================================================

1. Summary:

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.

Security Fix(es):

* bind: TCP Pipelining doesn’t limit TCP clients on a single connection
(CVE-2019-6477)

* bind: An assertion failure if a trust anchor rolls over to an unsupported
key algorithm when using managed-keys (CVE-2018-5745)

* bind: Controls for zone transfers may not be properly applied to DLZs if
the zones are writable (CVE-2019-6465)

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 7.8 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/):

1679303 – CVE-2018-5745 bind: An assertion failure if a trust anchor rolls over to an unsupported key algorithm when using managed-keys
1679304 – CVE-2019-6465 bind: Controls for zone transfers may not be properly applied to DLZs if the zones are writable
1743572 – nslookup doesn’t try to search the search in /etc/resolv.conf
1753259 – Regression: BIND 9.11 listens on [::]:53 even it isn’t configured to do so
1773617 – CVE-2019-6477 bind: TCP Pipelining doesn’t limit TCP clients on a single connection

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
bind-9.11.4-16.P2.el7.src.rpm

noarch:
bind-license-9.11.4-16.P2.el7.noarch.rpm

x86_64:
bind-debuginfo-9.11.4-16.P2.el7.i686.rpm
bind-debuginfo-9.11.4-16.P2.el7.x86_64.rpm
bind-export-libs-9.11.4-16.P2.el7.i686.rpm
bind-export-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-9.11.4-16.P2.el7.i686.rpm
bind-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-lite-9.11.4-16.P2.el7.i686.rpm
bind-libs-lite-9.11.4-16.P2.el7.x86_64.rpm
bind-utils-9.11.4-16.P2.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bind-9.11.4-16.P2.el7.x86_64.rpm
bind-chroot-9.11.4-16.P2.el7.x86_64.rpm
bind-debuginfo-9.11.4-16.P2.el7.i686.rpm
bind-debuginfo-9.11.4-16.P2.el7.x86_64.rpm
bind-devel-9.11.4-16.P2.el7.i686.rpm
bind-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-export-devel-9.11.4-16.P2.el7.i686.rpm
bind-export-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-lite-devel-9.11.4-16.P2.el7.i686.rpm
bind-lite-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.i686.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.i686.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.x86_64.rpm
bind-sdb-9.11.4-16.P2.el7.x86_64.rpm
bind-sdb-chroot-9.11.4-16.P2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
bind-9.11.4-16.P2.el7.src.rpm

noarch:
bind-license-9.11.4-16.P2.el7.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Red Hat Enterprise Linux Server (v. 7):

Source:
bind-9.11.4-16.P2.el7.src.rpm

noarch:
bind-license-9.11.4-16.P2.el7.noarch.rpm

ppc64:
bind-9.11.4-16.P2.el7.ppc64.rpm
bind-chroot-9.11.4-16.P2.el7.ppc64.rpm
bind-debuginfo-9.11.4-16.P2.el7.ppc.rpm
bind-debuginfo-9.11.4-16.P2.el7.ppc64.rpm
bind-export-libs-9.11.4-16.P2.el7.ppc.rpm
bind-export-libs-9.11.4-16.P2.el7.ppc64.rpm
bind-libs-9.11.4-16.P2.el7.ppc.rpm
bind-libs-9.11.4-16.P2.el7.ppc64.rpm
bind-libs-lite-9.11.4-16.P2.el7.ppc.rpm
bind-libs-lite-9.11.4-16.P2.el7.ppc64.rpm
bind-pkcs11-9.11.4-16.P2.el7.ppc64.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.ppc.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.ppc64.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.ppc64.rpm
bind-utils-9.11.4-16.P2.el7.ppc64.rpm

ppc64le:
bind-9.11.4-16.P2.el7.ppc64le.rpm
bind-chroot-9.11.4-16.P2.el7.ppc64le.rpm
bind-debuginfo-9.11.4-16.P2.el7.ppc64le.rpm
bind-export-libs-9.11.4-16.P2.el7.ppc64le.rpm
bind-libs-9.11.4-16.P2.el7.ppc64le.rpm
bind-libs-lite-9.11.4-16.P2.el7.ppc64le.rpm
bind-pkcs11-9.11.4-16.P2.el7.ppc64le.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.ppc64le.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.ppc64le.rpm
bind-utils-9.11.4-16.P2.el7.ppc64le.rpm

s390x:
bind-9.11.4-16.P2.el7.s390x.rpm
bind-chroot-9.11.4-16.P2.el7.s390x.rpm
bind-debuginfo-9.11.4-16.P2.el7.s390.rpm
bind-debuginfo-9.11.4-16.P2.el7.s390x.rpm
bind-export-libs-9.11.4-16.P2.el7.s390.rpm
bind-export-libs-9.11.4-16.P2.el7.s390x.rpm
bind-libs-9.11.4-16.P2.el7.s390.rpm
bind-libs-9.11.4-16.P2.el7.s390x.rpm
bind-libs-lite-9.11.4-16.P2.el7.s390.rpm
bind-libs-lite-9.11.4-16.P2.el7.s390x.rpm
bind-pkcs11-9.11.4-16.P2.el7.s390x.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.s390.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.s390x.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.s390x.rpm
bind-utils-9.11.4-16.P2.el7.s390x.rpm

x86_64:
bind-9.11.4-16.P2.el7.x86_64.rpm
bind-chroot-9.11.4-16.P2.el7.x86_64.rpm
bind-debuginfo-9.11.4-16.P2.el7.i686.rpm
bind-debuginfo-9.11.4-16.P2.el7.x86_64.rpm
bind-export-libs-9.11.4-16.P2.el7.i686.rpm
bind-export-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-9.11.4-16.P2.el7.i686.rpm
bind-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-lite-9.11.4-16.P2.el7.i686.rpm
bind-libs-lite-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.i686.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.x86_64.rpm
bind-utils-9.11.4-16.P2.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bind-debuginfo-9.11.4-16.P2.el7.ppc.rpm
bind-debuginfo-9.11.4-16.P2.el7.ppc64.rpm
bind-devel-9.11.4-16.P2.el7.ppc.rpm
bind-devel-9.11.4-16.P2.el7.ppc64.rpm
bind-export-devel-9.11.4-16.P2.el7.ppc.rpm
bind-export-devel-9.11.4-16.P2.el7.ppc64.rpm
bind-lite-devel-9.11.4-16.P2.el7.ppc.rpm
bind-lite-devel-9.11.4-16.P2.el7.ppc64.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.ppc.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.ppc64.rpm
bind-sdb-9.11.4-16.P2.el7.ppc64.rpm
bind-sdb-chroot-9.11.4-16.P2.el7.ppc64.rpm

ppc64le:
bind-debuginfo-9.11.4-16.P2.el7.ppc64le.rpm
bind-devel-9.11.4-16.P2.el7.ppc64le.rpm
bind-export-devel-9.11.4-16.P2.el7.ppc64le.rpm
bind-lite-devel-9.11.4-16.P2.el7.ppc64le.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.ppc64le.rpm
bind-sdb-9.11.4-16.P2.el7.ppc64le.rpm
bind-sdb-chroot-9.11.4-16.P2.el7.ppc64le.rpm

s390x:
bind-debuginfo-9.11.4-16.P2.el7.s390.rpm
bind-debuginfo-9.11.4-16.P2.el7.s390x.rpm
bind-devel-9.11.4-16.P2.el7.s390.rpm
bind-devel-9.11.4-16.P2.el7.s390x.rpm
bind-export-devel-9.11.4-16.P2.el7.s390.rpm
bind-export-devel-9.11.4-16.P2.el7.s390x.rpm
bind-lite-devel-9.11.4-16.P2.el7.s390.rpm
bind-lite-devel-9.11.4-16.P2.el7.s390x.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.s390.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.s390x.rpm
bind-sdb-9.11.4-16.P2.el7.s390x.rpm
bind-sdb-chroot-9.11.4-16.P2.el7.s390x.rpm

x86_64:
bind-debuginfo-9.11.4-16.P2.el7.i686.rpm
bind-debuginfo-9.11.4-16.P2.el7.x86_64.rpm
bind-devel-9.11.4-16.P2.el7.i686.rpm
bind-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-export-devel-9.11.4-16.P2.el7.i686.rpm
bind-export-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-lite-devel-9.11.4-16.P2.el7.i686.rpm
bind-lite-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.i686.rpm
bind-pkcs11-devel-9.11.4-16.P2.el7.x86_64.rpm
bind-sdb-9.11.4-16.P2.el7.x86_64.rpm
bind-sdb-chroot-9.11.4-16.P2.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
bind-9.11.4-16.P2.el7.src.rpm

noarch:
bind-license-9.11.4-16.P2.el7.noarch.rpm

x86_64:
bind-9.11.4-16.P2.el7.x86_64.rpm
bind-chroot-9.11.4-16.P2.el7.x86_64.rpm
bind-debuginfo-9.11.4-16.P2.el7.i686.rpm
bind-debuginfo-9.11.4-16.P2.el7.x86_64.rpm
bind-export-libs-9.11.4-16.P2.el7.i686.rpm
bind-export-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-9.11.4-16.P2.el7.i686.rpm
bind-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-libs-lite-9.11.4-16.P2.el7.i686.rpm
bind-libs-lite-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.i686.rpm
bind-pkcs11-libs-9.11.4-16.P2.el7.x86_64.rpm
bind-pkcs11-utils-9.11.4-16.P2.el7.x86_64.rpm
bind-utils-9.11.4-16.P2.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

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/

7. References:

https://access.redhat.com/security/cve/CVE-2018-5745
https://access.redhat.com/security/cve/CVE-2019-6465
https://access.redhat.com/security/cve/CVE-2019-6477
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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