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Sigurnosni nedostatak programskog paketa BIND

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LGE

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Gentoo Linux Security Advisory GLSA 201701-26
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https://security.gentoo.org/
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Severity: Normal
Title: BIND: Denial of Service
Date: January 11, 2017
Bugs: #598750
ID: 201701-26

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Synopsis
========

A vulnerability in BIND might allow remote attackers to cause a Denial
of Service condition.

Background
==========

BIND (Berkeley Internet Name Domain) is a Name Server.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-dns/bind < 9.10.4_p4 >= 9.10.4_p4

Description
===========

A defect in BIND’s handling of responses containing a DNAME answer can
cause a resolver to exit after encountering an assertion failure in
db.c or resolver.c.

Impact
======

A remote attacker could send a specially crafted DNS request to the
BIND resolver possibly resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All BIND users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-dns/bind-9.10.4_p4”

References
==========

[ 1 ] CVE-2016-8864
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8864

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201701-26

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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<pre style=”color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; white-space: pre-wrap;”>- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201701-26
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
<a class=”moz-txt-link-freetext” href=”https://security.gentoo.org/”>https://security.gentoo.org/</a>
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: BIND: Denial of Service
Date: January 11, 2017
Bugs: #598750
ID: 201701-26

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Synopsis
========

A vulnerability in BIND might allow remote attackers to cause a Denial
of Service condition.

Background
==========

BIND (Berkeley Internet Name Domain) is a Name Server.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-dns/bind < 9.10.4_p4 >= 9.10.4_p4

Description
===========

A defect in BIND’s handling of responses containing a DNAME answer can
cause a resolver to exit after encountering an assertion failure in
db.c or resolver.c.

Impact
======

A remote attacker could send a specially crafted DNS request to the
BIND resolver possibly resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All BIND users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-dns/bind-9.10.4_p4”

References
==========

[ 1 ] CVE-2016-8864
<a class=”moz-txt-link-freetext” href=”http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8864″>http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8864</a>

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

<a class=”moz-txt-link-freetext” href=”https://security.gentoo.org/glsa/201701-26″>https://security.gentoo.org/glsa/201701-26</a>

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
<a class=”moz-txt-link-abbreviated” href=”mailto:security@gentoo.org”>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=”moz-txt-link-freetext” href=”https://bugs.gentoo.org”>https://bugs.gentoo.org</a>.

License
=======

Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

<a class=”moz-txt-link-freetext” href=”http://creativecommons.org/licenses/by-sa/2.5″>http://creativecommons.org/licenses/by-sa/2.5</a></pre>
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AutorMarko Stanec
Cert idNCERT-REF-2017-01-0020-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
Izvorhttp://www.adobe.com/
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