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Red Hat Enterprise Linux 7.4 RHSA-2019:2698-01 Important: Bind Security Fix

red hat
Calendar Grey September 10, 2019
Dist Redhat Esm H88
Crucial notification regarding bind vulnerability in Red Hat Enterprise Linux 7.4, resolving TCP client restriction.
An update for bind is now available for Red Hat Enterprise Linux 7.4 Extended Update Support

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.
Security Fix(es):
* bind: Limiting simultaneous TCP clients is ineffective (CVE-2018-5743)
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.

Topics%20covered

Topics Covered

security advisory security update Red Hat bind important CVE issue TCP client

References

https://access.redhat.com/security/cve/CVE-2018-5743 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.4):
Source: bind-9.9.4-51.el7_4.3.src.rpm
noarch: bind-license-9.9.4-51.el7_4.3.noarch.rpm
x86_64: bind-debuginfo-9.9.4-51.el7_4.3.i686.rpm bind-debuginfo-9.9.4-51.el7_4.3.x86_64.rpm bind-libs-9.9.4-51.el7_4.3.i686.rpm bind-libs-9.9.4-51.el7_4.3.x86_64.rpm bind-libs-lite-9.9.4-51.el7_4.3.i686.rpm bind-libs-lite-9.9.4-51.el7_4.3.x86_64.rpm bind-utils-9.9.4-51.el7_4.3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4):
x86_64: bind-9.9.4-51.el7_4.3.x86_64.rpm bind-chroot-9.9.4-51.el7_4.3.x86_64.rpm bind-debuginfo-9.9.4-51.el7_4.3.i686.rpm bind-debuginfo-9.9.4-51.el7_4.3.x86_64.rpm bind-devel-9.9.4-51.el7_4.3.i686.rpm bind-devel-9.9.4-51.el7_4.3.x86_64.rpm bind-lite-devel-9.9.4-51.el7_4.3.i686.rpm bind-lite-devel-9.9.4-51.el7_4.3.x86_64.rpm bind-pkcs11-9.9.4-51.el7_4.3.x86_64.rpm bind-pkcs11-devel-9.9.4-51.el7_4.3.i686.rpm bind-pkcs11-devel-9.9.4-51.el7_4.3.x86_64.rpm bind-pkcs11-libs-9.9.4-51.el7_4.3.i686.rpm bind-pkcs11-libs-9.9.4-51.el7_4.3.x86_64.rpm bind-pkcs11-utils-9.9.4-51.el7_4.3.x86_64.rpm bind-sdb-9.9.4-51.el7_4.3.x86_64.rpm bind-sdb-chroot-9.9.4-51.el7_4.3.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.4):
Source: bind-9.9.4-51.el7_4.3.src.rpm
noarch: bind-license-9.9.4-51.el7_4.3.noarch.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2698-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2698
Issue date: 2019-09-10

Topic

An update for bind is now available for Red Hat Enterprise Linux 7.4Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat bind important CVE issue TCP client

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - ppc64, ppc64le, s390x, x86_64

Bugs Fixed

1702541 - CVE-2018-5743 bind: Limiting simultaneous TCP clients is ineffective

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