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301 lines
11 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 4.4 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/errata44.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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4.4 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="errata36.html">3.6</a>,
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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="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/4.4.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="p001_ndp">
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<strong>001: SECURITY FIX: November 2, 2008</strong>
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<i>All architectures</i><br>
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The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
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solicitation requests maybe allowing a nearby attacker to intercept traffic.
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The attacker must have IPv6 connectivity to the same router as their target for
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this vulnerability to be exploited.
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/001_ndp.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="p002_vr">
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<strong>002: RELIABILITY FIX: November 2, 2008</strong>
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<i>All architectures</i><br>
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Due to a bug in the vr(4) driver it is possible for a system using the vr(4)
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driver to panic under heavy load if the RX path runs out of mbufs.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/002_vr.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="p003_tcpinput">
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<strong>003: RELIABILITY FIX: November 6, 2008</strong>
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<i>All architectures</i><br>
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Fix the IPv4 TCP/IP stack's TIME_WAIT socket recycling. Due to the bug this
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can result in TCP connections between two IPs being reset instead of accepted
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if being received on a socket in the TIME_WAIT state.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/003_tcpinput.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="p004_httpd">
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<strong>004: RELIABILITY FIX: November 6, 2008</strong>
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<i>All architectures</i><br>
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Fix
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<a href="https://man.openbsd.org/OpenBSD-4.4/httpd.8">httpd(8)</a>'s
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mod_proxy module which is broken on 64-bit architectures. Due to the bug this
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will result in child processes crashing when utilizing proxy rules during an
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HTTP session.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/004_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="p005_pglistalloc">
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<strong>005: RELIABILITY FIX: November 7, 2008</strong>
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<i>All architectures</i><br>
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A software bug could cause memory allocation to cause a kernel panic
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accessing an array out of its bounds, when physical memory is exhausted.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/005_pglistalloc.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="p006_dhcpd">
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<strong>006: RELIABILITY FIX: November 19, 2008</strong>
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<i>All architectures</i><br>
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Due to changes in the options handling this caused problems with some
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DHCP clients such as Solaris/OpenSolaris and some embedded routers not
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accepting DHCP offers.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/006_dhcpd.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="p007_openssl">
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<strong>007: SECURITY FIX: January 9, 2009</strong>
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<i>All architectures</i><br>
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The OpenSSL libraries did not correctly check the return value from
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certain verification functions, allowing validation to be bypassed and
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permitting a remote attacker to conduct a "man in the middle attack"
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against SSL/TLS connections if the server is configured with a DSA or ECDSA
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certificate.
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/007_openssl.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="p008_bind">
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<strong>008: SECURITY FIX: January 14, 2009</strong>
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<i>All architectures</i><br>
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named(8) did not correctly check the return value of a DSA verification
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function, potentially allowing bypass of verification of DNSSEC DSA
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signatures.
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/008_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="p009_bgpd">
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<strong>009: RELIABILITY FIX: January 30, 2009</strong>
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<i>All architectures</i><br>
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Upon reception of an invalid update with 4-byte AS attributes, bgpd -
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adhering to the RFCs - closed the session to the neighbor.
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This error in the specification allowed 3rd parties to close remote BGP
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sessions.
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In the worst case Internet connectivity could be lost.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/009_bgpd.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="p010_bgpd">
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<strong>010: RELIABILITY FIX: February 18, 2009</strong>
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<i>All architectures</i><br>
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bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
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the process to terminate because of the resulting corrupt path.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/010_bgpd.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="p011_sudo">
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<strong>011: SECURITY FIX: February 22, 2009</strong>
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<i>All architectures</i><br>
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sudo(8) may allow a user listed in the sudoers file to run a command
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as a different user than their access rule specifies when a Unix
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group is used in the RunAs portion of the rule. The bug only manifests
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when the user being granted privileges is also a member of the group
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in the RunAs portion of the rule.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/011_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="p012_openssl">
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<strong>012: RELIABILITY FIX: April 8, 2009</strong>
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<i>All architectures</i><br>
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The OpenSSL ASN.1 handling code could be forced to perform invalid memory
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accesses through the use of certain invalid strings
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(<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
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or under certain error conditions triggerable by invalid ASN.1 structures
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(<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
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These vulnerabilities could be exploited to achieve a
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denial-of-service. A more detailed description of these problems is available
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in the
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<a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
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Checking During CMS verification" relates to code not enabled in OpenBSD.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/012_openssl.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="p013_pf">
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<strong>013: RELIABILITY FIX: April 11, 2009</strong>
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<i>All architectures</i><br>
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When pf attempts to perform translation on a specially crafted IP datagram,
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a null pointer dereference will occur, resulting in a kernel panic.
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In certain configurations this may be triggered by a remote attacker.
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<br>
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Restricting translation rules to protocols that are specific to the IP version
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in use, is an effective workaround until the patch can be installed. As an
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example, for IPv4 nat/binat/rdr rules you can use:
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<pre>
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nat/rdr ... inet proto { tcp udp icmp } ...
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</pre>
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Or for IPv6 nat/binat/rdr rules you can use:
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<pre>
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nat/rdr ... inet6 proto { tcp udp icmp6 } ...
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</pre>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/013_pf.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="p014_bind">
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<strong>014: RELIABILITY FIX: July 29, 2009</strong>
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<i>All architectures</i><br>
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A vulnerability has been found in BIND's named server
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(<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
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An attacker could crash a server with a specially crafted dynamic update message to a
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zone for which the server is master.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/014_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="p015_xmm">
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<strong>015: RELIABILITY FIX: October 05, 2009</strong>
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<i>i386 only</i><br>
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XMM exceptions are not correctly handled resulting in a kernel panic.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/i386/015_xmm.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="p016_getsockopt">
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<strong>016: RELIABILITY FIX: October 28, 2009</strong>
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<i>All architectures</i><br>
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getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
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IP_IPCOMP_LEVEL will crash the system.
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<br>
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<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/016_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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</ul>
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<hr>
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