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345 lines
12 KiB
HTML
<!doctype html>
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<html lang=en id=errata>
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<meta charset=utf-8>
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<title>OpenBSD 3.6 Errata</title>
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<meta name="description" content="the OpenBSD CD errata page">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" type="text/css" href="openbsd.css">
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<link rel="canonical" href="https://www.openbsd.org/errata36.html">
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<!--
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IMPORTANT REMINDER
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IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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-->
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<h2 id=OpenBSD>
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<a href="index.html">
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<i>Open</i><b>BSD</b></a>
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3.6 Errata
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</h2>
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<hr>
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For errata on a certain release, click below:<br>
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<a href="errata20.html">2.0</a>,
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<a href="errata21.html">2.1</a>,
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<a href="errata22.html">2.2</a>,
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<a href="errata23.html">2.3</a>,
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<a href="errata24.html">2.4</a>,
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<a href="errata25.html">2.5</a>,
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<a href="errata26.html">2.6</a>,
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<a href="errata27.html">2.7</a>,
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<a href="errata28.html">2.8</a>,
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<a href="errata29.html">2.9</a>,
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<a href="errata30.html">3.0</a>,
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<a href="errata31.html">3.1</a>,
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<a href="errata32.html">3.2</a>,
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<a href="errata33.html">3.3</a>,
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<a href="errata34.html">3.4</a>,
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<a href="errata35.html">3.5</a>,
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<br>
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<a href="errata37.html">3.7</a>,
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<a href="errata38.html">3.8</a>,
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<a href="errata39.html">3.9</a>,
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<a href="errata40.html">4.0</a>,
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<a href="errata41.html">4.1</a>,
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<a href="errata42.html">4.2</a>,
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<a href="errata43.html">4.3</a>,
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<a href="errata44.html">4.4</a>,
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<a href="errata45.html">4.5</a>,
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<a href="errata46.html">4.6</a>,
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<a href="errata47.html">4.7</a>,
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<a href="errata48.html">4.8</a>,
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<a href="errata49.html">4.9</a>,
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<a href="errata50.html">5.0</a>,
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<a href="errata51.html">5.1</a>,
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<a href="errata52.html">5.2</a>,
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<br>
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<a href="errata53.html">5.3</a>,
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<a href="errata54.html">5.4</a>,
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<a href="errata55.html">5.5</a>,
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<a href="errata56.html">5.6</a>,
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<a href="errata57.html">5.7</a>,
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<a href="errata58.html">5.8</a>,
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<a href="errata59.html">5.9</a>,
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<a href="errata60.html">6.0</a>,
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<a href="errata61.html">6.1</a>,
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<a href="errata62.html">6.2</a>,
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<a href="errata63.html">6.3</a>,
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<a href="errata64.html">6.4</a>,
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<a href="errata65.html">6.5</a>,
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<a href="errata66.html">6.6</a>,
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<a href="errata67.html">6.7</a>,
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<a href="errata68.html">6.8</a>,
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<br>
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<a href="errata69.html">6.9</a>,
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<a href="errata70.html">7.0</a>,
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<a href="errata71.html">7.1</a>,
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<a href="errata72.html">7.2</a>,
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<a href="errata73.html">7.3</a>.
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<hr>
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<p>
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Patches for the OpenBSD base system are distributed as unified diffs.
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Each patch contains usage instructions.
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All the following patches are also available in one
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6.tar.gz">tar.gz file</a>
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for convenience.
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<p>
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Patches for supported releases are also incorporated into the
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<a href="stable.html">-stable branch</a>.
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<hr>
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<ul>
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<li id="st">
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<strong>001: RELIABILITY FIX: November 10, 2004</strong>
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<i>All architectures</i><br>
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Fix detection of tape blocksize during device open. Corrects problem with
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<a href="https://man.openbsd.org/OpenBSD-3.6/restore.8">restore(8)</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/001_st.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="bind">
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<strong>002: RELIABILITY FIX: November 10, 2004</strong>
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<i>All architectures</i><br>
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BIND contains a bug which results in BIND trying to contact nameservers via IPv6, even in
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cases where IPv6 connectivity is non-existent. This results in unnecessary timeouts and
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thus slow DNS queries.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/002_bind.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="pppd">
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<strong>003: RELIABILITY FIX: November 10, 2004</strong>
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<i>All architectures</i><br>
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<a href="https://man.openbsd.org/OpenBSD-3.6/pppd.8">pppd(8)</a>
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contains a bug that allows an attacker to crash his own connection, but it cannot
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be used to deny service to other users.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/003_pppd.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="lynx">
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<strong>004: RELIABILITY FIX: November 10, 2004</strong>
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<i>All architectures</i><br>
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Due to a bug in
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<a href="https://man.openbsd.org/OpenBSD-3.6/lynx.1">lynx(1)</a>
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it is possible for pages such as
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<a href="http://lcamtuf.coredump.cx/mangleme/gallery/lynx_die1.html">this</a>
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to cause
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<a href="https://man.openbsd.org/OpenBSD-3.6/lynx.1">lynx(1)</a>
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to exhaust memory and then crash when parsing such pages.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/004_lynx.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="isakmpd">
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<strong>005: RELIABILITY FIX: November 21, 2004</strong>
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<i>All architectures</i><br>
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Wrong calculation of NAT-D payloads may cause interoperability problems between
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<a href="https://man.openbsd.org/OpenBSD-3.6/isakmpd.8">isakmpd(8)</a>
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and other ISAKMP/IKE implementations.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/005_isakmpd.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="xl">
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<strong>006: RELIABILITY FIX: November 21, 2004</strong>
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<i>All architectures</i><br>
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Fix for transmit side breakage on macppc and mbuf leaks with
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<a href="https://man.openbsd.org/OpenBSD-3.6/xl.4">xl(4)</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/006_xl.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="pfkey">
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<strong>007: SECURITY FIX: December 14, 2004</strong>
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<i>All architectures</i><br>
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On systems running
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<a href="https://man.openbsd.org/OpenBSD-3.6/isakmpd.8">isakmpd(8)</a>
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it is possible for a local user to cause kernel memory corruption
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and system panic by setting
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<a href="https://man.openbsd.org/OpenBSD-3.6/ipsec.4">ipsec(4)</a>
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credentials on a socket.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/007_pfkey.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="getcwd">
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<strong>008: RELIABILITY FIX: January 6, 2005</strong>
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<i>All architectures</i><br>
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The
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<a href="https://man.openbsd.org/OpenBSD-3.6/getcwd.3">getcwd(3)</a>
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library function contains a memory management error, which causes failure
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to retrieve the current working directory if the path is very long.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/008_getcwd.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="httpd">
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<strong>009: SECURITY FIX: January 12, 2005</strong>
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<i>All architectures</i><br>
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<a href="https://man.openbsd.org/OpenBSD-3.6/httpd.8">httpd(8)</a>
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's mod_include module fails to properly validate the length of
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user supplied tag strings prior to copying them to a local buffer,
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causing a buffer overflow.
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<br>
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This would require enabling the XBitHack directive or server-side
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includes and making use of a malicious document.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/009_httpd.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="rtt">
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<strong>010: RELIABILITY FIX: January 11, 2005</strong>
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<i>All architectures</i><br>
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A bug in the
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<a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
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stack allows an invalid argument to be used in calculating the TCP
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retransmit timeout. By sending packets with specific values in the TCP
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timestamp option, an attacker can cause a system panic.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/010_rtt.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="locore">
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<strong>011: SECURITY FIX: February 28, 2005</strong>
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<i>i386 only</i><br>
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More stringent checking should be done in the
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<a href="https://man.openbsd.org/OpenBSD-3.6/copy.9">copy(9)</a>
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functions to prevent their misuse.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/i386/011_locore.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="copy">
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<strong>012: SECURITY FIX: March 16, 2005</strong>
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<i>amd64 only</i><br>
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More stringent checking should be done in the
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<a href="https://man.openbsd.org/OpenBSD-3.6/copy.9">copy(9)</a>
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functions to prevent their misuse.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/amd64/012_copy.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="sack">
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<strong>013: RELIABILITY FIX: March 30, 2005</strong>
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<i>All architectures</i><br>
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Bugs in the
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<a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
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stack can lead to memory exhaustion or processing of TCP segments with
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invalid SACK options and cause a system crash.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/013_sack.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="telnet">
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<strong>014: SECURITY FIX: March 30, 2005</strong>
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<i>All architectures</i><br>
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Due to buffer overflows in
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<a href="https://man.openbsd.org/OpenBSD-3.6/telnet.1">telnet(1)</a>,
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a malicious server or man-in-the-middle attack could allow execution of
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arbitrary code with the privileges of the user invoking
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<a href="https://man.openbsd.org/OpenBSD-3.6/telnet.1">telnet(1)</a>.
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Noone should use telnet anymore. Please use
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<a href="https://man.openbsd.org/OpenBSD-3.6/ssh.1">ssh(1)</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/014_telnet.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="tcp">
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<strong>015: RELIABILITY FIX: April 4, 2005</strong>
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<i>All architectures</i><br>
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Handle an edge condition in
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<a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
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timestamps.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/015_tcp.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="cvs">
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<strong>016: SECURITY FIX: April 28, 2005</strong>
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<i>All architectures</i><br>
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Fix a buffer overflow, memory leaks, and NULL pointer dereference in
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<a href="https://man.openbsd.org/OpenBSD-3.6/cvs.1">cvs(1)</a>
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. None of these issues are known to be exploitable.
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<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0753">CAN-2005-0753</a>
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.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/016_cvs.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="getsockopt">
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<strong>017: RELIABILITY FIX: June 15, 2005</strong>
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<i>All architectures</i><br>
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As discovered by Stefan Miltchev calling
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<a href="https://man.openbsd.org/OpenBSD-3.6/getsockopt.2">getsockopt(2)</a>
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to get
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<a href="https://man.openbsd.org/OpenBSD-3.6/ipsec.4">ipsec(4)</a>
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credentials for a socket can result in a kernel panic.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/017_getsockopt.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="sudo">
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<strong>018: SECURITY FIX: June 20, 2005</strong>
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<i>All architectures</i><br>
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Due to a race condition in its command pathname handling, a user with
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<a href="https://man.openbsd.org/OpenBSD-3.6/sudo.8">sudo(8)</a>
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privileges may be able to run arbitrary commands if the user's entry
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is followed by an entry that grants <code>sudo ALL</code> privileges to
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another user.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/018_sudo.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="libz">
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<strong>019: SECURITY FIX: July 6, 2005</strong>
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<i>All architectures</i><br>
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A buffer overflow has been found in
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<a href="https://man.openbsd.org/OpenBSD-3.6/compress.3">compress(3)</a>
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which may be exploitable.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/019_libz.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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<li id="libz2">
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<strong>020: SECURITY FIX: July 21, 2005</strong>
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<i>All architectures</i><br>
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A buffer overflow has been found in
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<a href="https://man.openbsd.org/OpenBSD-3.6/compress.3">compress(3)</a>
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which may be exploitable.<br>
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Please note that this fixes a different buffer overflow than the <a href="#libz">previous</a> zlib patch.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/020_libz.patch">
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A source code patch exists which remedies this problem.</a>
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<p>
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</ul>
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<hr>
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