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Red Hat Enterprise Linux 8: RHSA-2020-1845-01 Moderate: Bind Security Fix

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
Important security patch released for Red Hat Enterprise Linux 8 tackling TCP Pipelining vulnerabilities and related failures.
An update for bind is now available for Red Hat Enterprise Linux 8

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.

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 (9.11.13). (BZ#1704328)
Security Fix(es):
* bind: TCP Pipelining doesn't limit TCP clients on a single connection (CVE-2019-6477)
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 8.2 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory bug fix bind Red Hat Enterprise Linux moderate security impact TCP Pipelining

References

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/8/html/8.2_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: bind-9.11.13-3.el8.aarch64.rpm bind-chroot-9.11.13-3.el8.aarch64.rpm bind-debuginfo-9.11.13-3.el8.aarch64.rpm bind-debugsource-9.11.13-3.el8.aarch64.rpm bind-devel-9.11.13-3.el8.aarch64.rpm bind-export-libs-debuginfo-9.11.13-3.el8.aarch64.rpm bind-libs-9.11.13-3.el8.aarch64.rpm bind-libs-debuginfo-9.11.13-3.el8.aarch64.rpm bind-libs-lite-9.11.13-3.el8.aarch64.rpm bind-libs-lite-debuginfo-9.11.13-3.el8.aarch64.rpm bind-lite-devel-9.11.13-3.el8.aarch64.rpm bind-pkcs11-9.11.13-3.el8.aarch64.rpm bind-pkcs11-debuginfo-9.11.13-3.el8.aarch64.rpm bind-pkcs11-devel-9.11.13-3.el8.aarch64.rpm bind-pkcs11-libs-9.11.13-3.el8.aarch64.rpm bind-pkcs11-libs-debuginfo-9.11.13-3.el8.aarch64.rpm bind-pkcs11-utils-9.11.13-3.el8.aarch64.rpm bind-pkcs11-utils-debuginfo-9.11.13-3.el8.aarch64.rpm bind-sdb-9.11.13-3.el8.aarch64.rpm bind-sdb-chroot-9.11.13-3.el8.aarch64.rpm bind-sdb-debuginfo-9.11.13-3.el8.aarch64.rpm bind-utils-9.11.13-3.el8.aarch64.rpm bind-utils-debuginfo-9.11.13-3.el8.aarch64.rpm
noarch: bind-license-9.11.13-3.el8.noarch.rpm python3-bind-9.11.13-3.el8.noarch.rpm
ppc64le: bind-9.11.13-3.el8.ppc64le.rpm bind-chroot-9.11.13-3.el8.ppc64le.rpm bind-debuginfo-9.11.13-3.el8.ppc64le.rpm bind-debugsource-9.11.13-3.el8.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1845-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1845
Issue date: 2020-04-28

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.

Topics%20covered

Topics Covered

security advisory bug fix bind Red Hat Enterprise Linux moderate security impact TCP Pipelining

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

1664863 - [RFE] named: stale-answer support

1679766 - system test dnssec: Bind algorithm ED448 is broken

1704328 - Rebase bind to latest minor release 9.11.13

1759845 - python-bind's isc.parsetab must be regenerated after python-ply has been updated

1773617 - CVE-2019-6477 bind: TCP Pipelining doesn't limit TCP clients on a single connection

1790879 - named allocates new memory on each reload

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