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Red Hat Enterprise Linux 7.2/7.3 Important: Bind Crash Fix

red hat
Calendar Grey March 12, 2018
Scroller Redhat
Critical bind security update for Red Hat Enterprise Linux addressing important issues. Ensure proper application.
An update for bind is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, Red Hat Enterprise Linux 7...

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: Improper fetch cleanup sequencing in the resolver can cause named to crash (CVE-2017-3145)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank ISC for reporting this issue. Upstream acknowledges Jayachandran Palanisamy (Cygate AB) as the original reporter.

Topics%20covered

Topics Covered

security advisory security issue bind important red hat enterprise dns type of threat

References

https://access.redhat.com/security/cve/CVE-2017-3145 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.3):
Source: bind-9.9.4-50.el7_3.3.src.rpm
noarch: bind-license-9.9.4-50.el7_3.3.noarch.rpm
x86_64: bind-debuginfo-9.9.4-50.el7_3.3.i686.rpm bind-debuginfo-9.9.4-50.el7_3.3.x86_64.rpm bind-libs-9.9.4-50.el7_3.3.i686.rpm bind-libs-9.9.4-50.el7_3.3.x86_64.rpm bind-libs-lite-9.9.4-50.el7_3.3.i686.rpm bind-libs-lite-9.9.4-50.el7_3.3.x86_64.rpm bind-utils-9.9.4-50.el7_3.3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3):
x86_64: bind-9.9.4-50.el7_3.3.x86_64.rpm bind-chroot-9.9.4-50.el7_3.3.x86_64.rpm bind-debuginfo-9.9.4-50.el7_3.3.i686.rpm bind-debuginfo-9.9.4-50.el7_3.3.x86_64.rpm bind-devel-9.9.4-50.el7_3.3.i686.rpm bind-devel-9.9.4-50.el7_3.3.x86_64.rpm bind-lite-devel-9.9.4-50.el7_3.3.i686.rpm bind-lite-devel-9.9.4-50.el7_3.3.x86_64.rpm bind-pkcs11-9.9.4-50.el7_3.3.x86_64.rpm bind-pkcs11-devel-9.9.4-50.el7_3.3.i686.rpm bind-pkcs11-devel-9.9.4-50.el7_3.3.x86_64.rpm bind-pkcs11-libs-9.9.4-50.el7_3.3.i686.rpm bind-pkcs11-libs-9.9.4-50.el7_3.3.x86_64.rpm bind-pkcs11-utils-9.9.4-50.el7_3.3.x86_64.rpm bind-sdb-9.9.4-50.el7_3.3.x86_64.rpm bind-sdb-chroot-9.9.4-50.el7_3.3.x86_64.rpm
Red Hat Enterprise Linux Server AUS (v. 7.2):
Source: bind-9.9.4-29.el7_2.8.src.rpm
noarch: bind-license-9.9.4-29.el7_2.8.noarch.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:0488-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0488
Issue date: 2018-03-12

Topic

An update for bind is now available for Red Hat Enterprise Linux 7.2Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended UpdateSupport, Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions,and Red Hat Enterprise Linux 7.3 Extended 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 issue bind important red hat enterprise dns type of threat

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) - x86_64

Red Hat Enterprise Linux Server AUS (v. 7.2) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.2) - noarch, x86_64

Red Hat Enterprise Linux Server EUS (v. 7.3) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.2) - x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.3) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.2) - noarch, x86_64

Bugs Fixed

1534812 - CVE-2017-3145 bind: Improper fetch cleanup sequencing in the resolver can cause named to crash

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