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All Products
Red Hat Product Errata RHSA-2016:0078 - Security Advisory
Issued:
2016-01-28
Updated:
2016-01-28

RHSA-2016:0078 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: bind security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated bind packages that fix multiple security issues are now available
for Red Hat Enterprise Linux 6.4 and 6.5 Advanced Update Support.

Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

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.

A denial of service flaw was found in the way BIND followed DNS
delegations. A remote attacker could use a specially crafted zone
containing a large number of referrals which, when looked up and processed,
would cause named to use excessive amounts of memory or crash.
(CVE-2014-8500)

A flaw was found in the way BIND handled requests for TKEY DNS resource
records. A remote attacker could use this flaw to make named (functioning
as an authoritative DNS server or a DNS resolver) exit unexpectedly with an
assertion failure via a specially crafted DNS request packet.
(CVE-2015-5477)

A denial of service flaw was found in the way BIND parsed certain malformed
DNSSEC keys. A remote attacker could use this flaw to send a specially
crafted DNS query (for example, a query requiring a response from a zone
containing a deliberately malformed key) that would cause named functioning
as a validating resolver to crash. (CVE-2015-5722)

A denial of service flaw was found in the way BIND processed certain
records with malformed class attributes. A remote attacker could use this
flaw to send a query to request a cached record with a malformed class
attribute that would cause named functioning as an authoritative or
recursive server to crash. (CVE-2015-8000)

Note: This issue affects authoritative servers as well as recursive
servers, however authoritative servers are at limited risk if they perform
authentication when making recursive queries to resolve addresses for
servers listed in NS RRSETs.

Red Hat would like to thank ISC for reporting the CVE-2015-5477,
CVE-2015-5722, and CVE-2015-8000 issues. Upstream acknowledges Jonathan
Foote as the original reporter of CVE-2015-5477, and Hanno Böck as the
original reporter of CVE-2015-5722.

All bind users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing the
update, the BIND daemon (named) will be restarted automatically.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server - AUS 6.5 x86_64
  • Red Hat Enterprise Linux Server - AUS 6.4 x86_64
  • Red Hat Enterprise Linux Server - TUS 6.5 x86_64

Fixes

  • BZ - 1171912 - CVE-2014-8500 bind: delegation handling denial of service
  • BZ - 1247361 - CVE-2015-5477 bind: TKEY query handling flaw leading to denial of service
  • BZ - 1259087 - CVE-2015-5722 bind: malformed DNSSEC key failed assertion denial of service
  • BZ - 1291176 - CVE-2015-8000 bind: responses with a malformed class attribute can trigger an assertion failure in db.c

CVEs

  • CVE-2014-8500
  • CVE-2015-5477
  • CVE-2015-5722
  • CVE-2015-8000

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://kb.isc.org/article/AA-01216
  • https://kb.isc.org/article/AA-01272
  • https://kb.isc.org/article/AA-01287
  • https://kb.isc.org/article/AA-01317
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 6.5

SRPM
bind-9.8.2-0.23.rc1.el6_5.2.src.rpm SHA-256: d5771a77469cc7d1cbe9586366cd166f0b5bd5d4be89271f2167a42f43b029e3
x86_64
bind-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: fca0ceb4e12fa86dd5bbac450619f4f127080f29541b70963a5ef495b997e3b3
bind-chroot-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 57e7b37d6ad2bce8dc25b5f62b78b1c18028fb39c9d41a7c8e9b8fbae7d58a53
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: c6694c99198d030934c75413bb242479759f80d508b1e7924d4fa225f5363f4f
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: c6694c99198d030934c75413bb242479759f80d508b1e7924d4fa225f5363f4f
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 43bde2740c963f666efed4d3beae319d752fd8d3b821feef5828c072e6c9cc1d
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 43bde2740c963f666efed4d3beae319d752fd8d3b821feef5828c072e6c9cc1d
bind-devel-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: 10f82cf7bc72892e6a2c6e99dec56abe6970f6bb166161553ad56de6e94c8c38
bind-devel-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 079cb42b78f2db81d7cf6a9dee221d28c79b6b48635ad545c849ee4a694e941d
bind-libs-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: 5730df1fe33337e5304e1169af85aeef2ada651e6d72359aa622ebdab83edd5b
bind-libs-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: b690c43b7df683239eee03e96559b63c32b55fb01c3caf89de82362e1cd2228e
bind-sdb-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: d2b631ca1281bdc1efb38a1559a8d1a06d521c092d8f2ca8052baa1f4e85842d
bind-utils-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 76751127ff8840f1b2e4065918ad92c6d79e85c0435efe5617bc1b703556dc22

Red Hat Enterprise Linux Server - AUS 6.4

SRPM
bind-9.8.2-0.17.rc1.el6_4.7.src.rpm SHA-256: b959991678bbf3f7af8f6f0333fa3a259039e8289b00277f7b4d9fdaecdcbf53
x86_64
bind-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: 1e0f29e4e943c1ad7b67c8f9909c64a91cb20bacca6c1e5191980ebca4affb00
bind-chroot-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: bd4d152e1c1b7285a38acc660909c92640f57e5dfb488807576a5962d148dd61
bind-debuginfo-9.8.2-0.17.rc1.el6_4.7.i686.rpm SHA-256: 21008a38a9ecb4e309fa594b886a9d5a72748699a2044d21cb4dc43a08ab6077
bind-debuginfo-9.8.2-0.17.rc1.el6_4.7.i686.rpm SHA-256: 21008a38a9ecb4e309fa594b886a9d5a72748699a2044d21cb4dc43a08ab6077
bind-debuginfo-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: 3bbd7bb5b1dc8dfb11a0aa228ae23a23cc825abce3248f3ea8e20f4e6d82501c
bind-debuginfo-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: 3bbd7bb5b1dc8dfb11a0aa228ae23a23cc825abce3248f3ea8e20f4e6d82501c
bind-devel-9.8.2-0.17.rc1.el6_4.7.i686.rpm SHA-256: fc737b72a4c6c8ae64c01f8140f7fe431a075c839cc1943a8e238103ca766869
bind-devel-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: 186932cff78f5c7669749cbf26e33bc0cb0b08304dd02143c66ed562143b0ac5
bind-libs-9.8.2-0.17.rc1.el6_4.7.i686.rpm SHA-256: be5d208ad675d465ba5e1284ab93e4ded830108512f49687ada6973cdb1b1da0
bind-libs-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: ae026db9c3965aadd76f34d1d74e657e4780ef8094aed491a28eeda9a2c6656b
bind-sdb-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: 0baf1d897b5ce67c37fab7ceae01ff8817524d03e9434be2c74123bdfc72366b
bind-utils-9.8.2-0.17.rc1.el6_4.7.x86_64.rpm SHA-256: dbddd24171c1afe1f2752bc64b5b8af385b6569b78607518ba7c42f532d32715

Red Hat Enterprise Linux Server - TUS 6.5

SRPM
bind-9.8.2-0.23.rc1.el6_5.2.src.rpm SHA-256: d5771a77469cc7d1cbe9586366cd166f0b5bd5d4be89271f2167a42f43b029e3
x86_64
bind-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: fca0ceb4e12fa86dd5bbac450619f4f127080f29541b70963a5ef495b997e3b3
bind-chroot-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 57e7b37d6ad2bce8dc25b5f62b78b1c18028fb39c9d41a7c8e9b8fbae7d58a53
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: c6694c99198d030934c75413bb242479759f80d508b1e7924d4fa225f5363f4f
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: c6694c99198d030934c75413bb242479759f80d508b1e7924d4fa225f5363f4f
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 43bde2740c963f666efed4d3beae319d752fd8d3b821feef5828c072e6c9cc1d
bind-debuginfo-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 43bde2740c963f666efed4d3beae319d752fd8d3b821feef5828c072e6c9cc1d
bind-devel-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: 10f82cf7bc72892e6a2c6e99dec56abe6970f6bb166161553ad56de6e94c8c38
bind-devel-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 079cb42b78f2db81d7cf6a9dee221d28c79b6b48635ad545c849ee4a694e941d
bind-libs-9.8.2-0.23.rc1.el6_5.2.i686.rpm SHA-256: 5730df1fe33337e5304e1169af85aeef2ada651e6d72359aa622ebdab83edd5b
bind-libs-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: b690c43b7df683239eee03e96559b63c32b55fb01c3caf89de82362e1cd2228e
bind-sdb-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: d2b631ca1281bdc1efb38a1559a8d1a06d521c092d8f2ca8052baa1f4e85842d
bind-utils-9.8.2-0.23.rc1.el6_5.2.x86_64.rpm SHA-256: 76751127ff8840f1b2e4065918ad92c6d79e85c0435efe5617bc1b703556dc22

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

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