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Merge branch 'prep-release' into v9_11_6_patch
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Tinderbox User committed Apr 6, 2019
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--- 9.11.6-P1 released ---

5200. [security] tcp-clients settings could be exceeded in some cases,
which could lead to exhaustion of file descriptors.
(CVE-2018-5743) [GL #615]
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5 changes: 5 additions & 0 deletions README
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BIND 9.11.6 is a maintenance release, and also addresses the security
flaws disclosed in CVE-2018-5744, CVE-2018-5745, and CVE-2019-6465.

BIND 9.11.6-P1

BIND 9.11.6-P1 addresses the security vulnerability disclosed in
CVE-2018-5743.

Building BIND

BIND requires a UNIX or Linux system with an ANSI C compiler, basic POSIX
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5 changes: 5 additions & 0 deletions README.md
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BIND 9.11.6 is a maintenance release, and also addresses the security
flaws disclosed in CVE-2018-5744, CVE-2018-5745, and CVE-2019-6465.

#### BIND 9.11.6-P1

BIND 9.11.6-P1 addresses the security vulnerability disclosed in
CVE-2018-5743.

### <a name="build"/> Building BIND

BIND requires a UNIX or Linux system with an ANSI C compiler, basic POSIX
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch02.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch03.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch04.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch05.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
5 changes: 3 additions & 2 deletions doc/arm/Bv9ARM.ch06.html
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<p>
The number of file descriptors reserved for TCP, stdio,
etc. This needs to be big enough to cover the number of
interfaces <span class="command"><strong>named</strong></span> listens on, <span class="command"><strong>tcp-clients</strong></span> as well as
interfaces <span class="command"><strong>named</strong></span> listens on plus
<span class="command"><strong>tcp-clients</strong></span>, as well as
to provide room for outgoing TCP queries and incoming zone
transfers. The default is <code class="literal">512</code>.
The minimum value is <code class="literal">128</code> and the
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch07.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
186 changes: 16 additions & 170 deletions doc/arm/Bv9ARM.ch09.html
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<div class="toc">
<p><b>Table of Contents</b></p>
<dl class="toc">
<dt><span class="section"><a href="Bv9ARM.ch09.html#id-1.10.2">Release Notes for BIND Version 9.11.6</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#id-1.10.2">Release Notes for BIND Version 9.11.6-P1</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_intro">Introduction</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_download">Download</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_license">License Change</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#win_support">Legacy Windows No Longer Supported</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_security">Security Fixes</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_features">New Features</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_removed">Removed Features</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_changes">Feature Changes</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_bugs">Bug Fixes</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch09.html#end_of_life">End of Life</a></span></dt>
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</div>
<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="id-1.10.2"></a>Release Notes for BIND Version 9.11.6</h2></div></div></div>
<a name="id-1.10.2"></a>Release Notes for BIND Version 9.11.6-P1</h2></div></div></div>

<div class="section">
<div class="titlepage"><div><div><h3 class="title">
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_security"></a>Security Fixes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
<span class="command"><strong>named</strong></span> could crash during recursive processing
of DNAME records when <span class="command"><strong>deny-answer-aliases</strong></span> was
in use. This flaw is disclosed in CVE-2018-5740. [GL #387]
</p>
</li>
<li class="listitem">
<p>
When recursion is enabled but the <span class="command"><strong>allow-recursion</strong></span>
and <span class="command"><strong>allow-query-cache</strong></span> ACLs are not specified, they
should be limited to local networks, but they were inadvertently set
to match the default <span class="command"><strong>allow-query</strong></span>, thus allowing
remote queries. This flaw is disclosed in CVE-2018-5738. [GL #309]
</p>
</li>
<li class="listitem">
<p>
Code change #4964, intended to prevent double signatures
when deleting an inactive zone DNSKEY in some situations,
introduced a new problem during zone processing in which
some delegation glue RRsets are incorrectly identified
as needing RRSIGs, which are then created for them using
the current active ZSK for the zone. In some, but not all
cases, the newly-signed RRsets are added to the zone's
NSEC/NSEC3 chain, but incompletely -- this can result in
a broken chain, affecting validation of proof of nonexistence
for records in the zone. [GL #771]
</p>
</li>
<li class="listitem">
<p>
<span class="command"><strong>named</strong></span> could crash if it managed a DNSSEC
security root with <span class="command"><strong>managed-keys</strong></span> and the
authoritative zone rolled the key to an algorithm not supported
by BIND 9. This flaw is disclosed in CVE-2018-5745. [GL #780]
</p>
</li>
<li class="listitem">
<p>
<span class="command"><strong>named</strong></span> leaked memory when processing a
request with multiple Key Tag EDNS options present. ISC
would like to thank Toshifumi Sakaguchi for bringing this
to our attention. This flaw is disclosed in CVE-2018-5744.
[GL #772]
</p>
</li>
<li class="listitem">
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
<p>
Zone transfer controls for writable DLZ zones were not
effective as the <span class="command"><strong>allowzonexfr</strong></span> method was
not being called for such zones. This flaw is disclosed in
CVE-2019-6465. [GL #790]
The TCP client quota set using the <span class="command"><strong>tcp-clients</strong></span>
option could be exceeded in some cases. This could lead to
exhaustion of file descriptors. This flaw is disclosed in
CVE-2018-5743. [GL #615]
</p>
</li>
</ul></div>
</li></ul></div>
</div>

<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_features"></a>New Features</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
<span class="command"><strong>named</strong></span> now supports the "root key sentinel"
mechanism. This enables validating resolvers to indicate
which trust anchors are configured for the root, so that
information about root key rollover status can be gathered.
To disable this feature, add
<span class="command"><strong>root-key-sentinel no;</strong></span> to
<code class="filename">named.conf</code>.
</p>
</li>
<li class="listitem">
<p>
Added the ability not to return a DNS COOKIE option when one
is present in the request. To prevent a cookie being returned,
add <span class="command"><strong>answer-cookie no;</strong></span> to
<code class="filename">named.conf</code>. [GL #173]
</p>
<p>
<span class="command"><strong>answer-cookie no</strong></span> is only intended as a
temporary measure, for use when <span class="command"><strong>named</strong></span>
shares an IP address with other servers that do not yet
support DNS COOKIE. A mismatch between servers on the
same address is not expected to cause operational problems,
but the option to disable COOKIE responses so that all
servers have the same behavior is provided out of an
abundance of caution. DNS COOKIE is an important security
mechanism, and should not be disabled unless absolutely
necessary.
</p>
</li>
<li class="listitem">
<p>
Two new update policy rule types have been added
<span class="command"><strong>krb5-selfsub</strong></span> and <span class="command"><strong>ms-selfsub</strong></span>
which allow machines with Kerberos principals to update
the name space at or below the machine names identified
in the respective principals.
</p>
</li>
</ul></div>
</div>

<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_removed"></a>Removed Features</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
<p>
<span class="command"><strong>named</strong></span> will now log a warning if the old
BIND now can be compiled against libidn2 library to add
IDNA2008 support. Previously BIND only supported IDNA2003
using (now obsolete) idnkit-1 library.
None.
</p>
</li></ul></div>
</div>

<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_changes"></a>Feature Changes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
<span class="command"><strong>dig +noidnin</strong></span> can be used to disable IDN
processing on the input domain name, when BIND is compiled
with IDN support.
</p>
</li>
<li class="listitem">
<p>
Multiple <span class="command"><strong>cookie-secret</strong></span> clause are now
supported. The first <span class="command"><strong>cookie-secret</strong></span> in
<code class="filename">named.conf</code> is used to generate new
server cookies. Any others are used to accept old server
cookies or those generated by other servers using the
matching <span class="command"><strong>cookie-secret</strong></span>.
</p>
</li>
<li class="listitem">
<p>
The <span class="command"><strong>rndc nta</strong></span> command could not differentiate
between views of the same name but different class; this
has been corrected with the addition of a <span class="command"><strong>-class</strong></span>
option. [GL #105]
</p>
</li>
<li class="listitem">
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
<p>
When compiled with IDN support, the <span class="command"><strong>dig</strong></span> and the
<span class="command"><strong>nslookup</strong></span> commands now disable IDN processing when
the standard output is not a tty (e.g. not used by human). The command
line options +idnin and +idnout need to be used to enable IDN
processing when <span class="command"><strong>dig</strong></span> or <span class="command"><strong>nslookup</strong></span>
is used from the shell scripts.
None.
</p>
</li>
</ul></div>
</li></ul></div>
</div>

<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_bugs"></a>Bug Fixes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
When a negative trust anchor was added to multiple views
using <span class="command"><strong>rndc nta</strong></span>, the text returned via
<span class="command"><strong>rndc</strong></span> was incorrectly truncated after the
first line, making it appear that only one NTA had been
added. This has been fixed. [GL #105]
</p>
</li>
<li class="listitem">
<p>
<span class="command"><strong>named</strong></span> now rejects excessively large
incremental (IXFR) zone transfers in order to prevent
possible corruption of journal files which could cause
<span class="command"><strong>named</strong></span> to abort when loading zones. [GL #339]
</p>
</li>
<li class="listitem">
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
<p>
<span class="command"><strong>rndc reload</strong></span> could cause <span class="command"><strong>named</strong></span>
to leak memory if it was invoked before the zone loading actions
from a previous <span class="command"><strong>rndc reload</strong></span> command were
completed. [RT #47076]
None.
</p>
</li>
</ul></div>
</li></ul></div>
</div>

<div class="section">
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch11.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
2 changes: 1 addition & 1 deletion doc/arm/Bv9ARM.ch12.html
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>
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</tr>
</table>
</div>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6 (Extended Support Version)</p>
<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.6-P1 (Extended Support Version)</p>
</body>
</html>

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