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1.52      tj          4: <title>OpenBSD 4.3 Errata</title>
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1.43      deraadt    12: <!--
                     13:                        IMPORTANT REMINDER
                     14:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.1       deraadt    17: <body bgcolor="#ffffff" text="#000000" link="#23238E">
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1.51      deraadt    19: <h2>
                     20: <a href="index.html">
                     21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.52      tj         22: <font color="#e00000">4.3 Errata</font>
                     23: </h2>
1.51      deraadt    24: <hr>
1.1       deraadt    25:
                     26: For errata on a certain release, click below:<br>
                     27: <a href="errata21.html">2.1</a>,
                     28: <a href="errata22.html">2.2</a>,
                     29: <a href="errata23.html">2.3</a>,
                     30: <a href="errata24.html">2.4</a>,
                     31: <a href="errata25.html">2.5</a>,
                     32: <a href="errata26.html">2.6</a>,
                     33: <a href="errata27.html">2.7</a>,
                     34: <a href="errata28.html">2.8</a>,
                     35: <a href="errata29.html">2.9</a>,
                     36: <a href="errata30.html">3.0</a>,
                     37: <a href="errata31.html">3.1</a>,
                     38: <a href="errata32.html">3.2</a>,
                     39: <a href="errata33.html">3.3</a>,
                     40: <a href="errata34.html">3.4</a>,
                     41: <a href="errata35.html">3.5</a>,
                     42: <a href="errata36.html">3.6</a>,
1.9       deraadt    43: <br>
1.1       deraadt    44: <a href="errata37.html">3.7</a>,
                     45: <a href="errata38.html">3.8</a>,
                     46: <a href="errata39.html">3.9</a>,
                     47: <a href="errata40.html">4.0</a>,
                     48: <a href="errata41.html">4.1</a>,
1.9       deraadt    49: <a href="errata42.html">4.2</a>,
1.22      deraadt    50: <a href="errata44.html">4.4</a>,
1.26      deraadt    51: <a href="errata45.html">4.5</a>,
1.27      deraadt    52: <a href="errata46.html">4.6</a>,
1.29      deraadt    53: <a href="errata47.html">4.7</a>,
1.31      miod       54: <a href="errata48.html">4.8</a>,
1.32      nick       55: <a href="errata49.html">4.9</a>,
1.33      sthen      56: <a href="errata50.html">5.0</a>,
1.34      deraadt    57: <a href="errata51.html">5.1</a>,
1.35      deraadt    58: <a href="errata52.html">5.2</a>,
1.36      deraadt    59: <a href="errata53.html">5.3</a>,
1.39      deraadt    60: <br>
1.37      deraadt    61: <a href="errata54.html">5.4</a>,
1.42      jsg        62: <a href="errata55.html">5.5</a>,
1.46      deraadt    63: <a href="errata56.html">5.6</a>,
1.49      deraadt    64: <a href="errata57.html">5.7</a>,
1.50      deraadt    65: <a href="errata58.html">5.8</a>,
1.53      deraadt    66: <a href="errata59.html">5.9</a>,
1.56      tj         67: <a href="errata60.html">6.0</a>,
1.59      deraadt    68: <a href="errata61.html">6.1</a>,
1.60      deraadt    69: <a href="errata62.html">6.2</a>,
1.61    ! deraadt    70: <a href="errata63.html">6.3</a>,
        !            71: <a href="errata64.html">6.4</a>.
1.1       deraadt    72: <hr>
                     73:
1.40      deraadt    74: <p>
1.56      tj         75: Patches for the OpenBSD base system are distributed as unified diffs.
                     76: Each patch contains usage instructions.
                     77: All the following patches are also available in one
                     78: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
                     79: for convenience.
1.1       deraadt    80:
1.40      deraadt    81: <p>
1.56      tj         82: Patches for supported releases are also incorporated into the
1.57      tj         83: <a href="stable.html">-stable branch</a>.
1.40      deraadt    84:
1.1       deraadt    85: <hr>
                     86:
                     87: <ul>
                     88:
1.58      tb         89: <li id="p013_pf">
1.41      deraadt    90: <font color="#009000"><strong>013: RELIABILITY FIX: April 11, 2009</strong></font>
                     91: &nbsp; <i>All architectures</i><br>
1.23      sthen      92: When pf attempts to perform translation on a specially crafted IP datagram,
                     93: a null pointer dereference will occur, resulting in a kernel panic.
                     94: In certain configurations this may be triggered by a remote attacker.
1.24      sthen      95: <br>
1.23      sthen      96: Restricting translation rules to protocols that are specific to the IP version
                     97: in use, is an effective workaround until the patch can be installed. As an
                     98: example, for IPv4 nat/binat/rdr rules you can use:
                     99: <pre>
                    100:     nat/rdr ... inet proto { tcp udp icmp } ...
                    101: </pre>
                    102: Or for IPv6 nat/binat/rdr rules you can use:
                    103: <pre>
                    104:     nat/rdr ... inet6 proto { tcp udp icmp6 } ...
                    105: </pre>
1.55      tb        106: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40      deraadt   107: A source code patch exists which remedies this problem.</a>
1.23      sthen     108: <p>
                    109:
1.58      tb        110: <li id="p012_openssl">
1.41      deraadt   111: <font color="#009000"><strong>012: RELIABILITY FIX: April 8, 2009</strong></font>
                    112: &nbsp; <i>All architectures</i><br>
1.20      djm       113: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.25      tobias    114: accesses through the use of certain invalid strings
1.20      djm       115: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
                    116: or under certain error conditions triggerable by invalid ASN.1 structures
                    117: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
                    118: These vulnerabilities could be exploited to achieve a
                    119: denial-of-service. A more detailed description of these problems is available
                    120: in the
                    121: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
                    122: Checking During CMS verification" relates to code not enabled in OpenBSD.
                    123: <br>
1.55      tb        124: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40      deraadt   125: A source code patch exists which remedies this problem.</a>
1.20      djm       126: <p>
                    127:
1.58      tb        128: <li id="p011_sudo">
1.41      deraadt   129: <font color="#009000"><strong>011: SECURITY FIX: February 22, 2009</strong></font>
                    130: &nbsp; <i>All architectures</i><br>
1.19      millert   131: sudo(8) may allow a user listed in the sudoers file to run a command
                    132: as a different user than their access rule specifies when a Unix
                    133: group is used in the RunAs portion of the rule.  The bug only manifests
                    134: when the user being granted privileges is also a member of the group
                    135: in the RunAs portion of the rule.
                    136: <br>
1.55      tb        137: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40      deraadt   138: A source code patch exists which remedies this problem.</a>
1.19      millert   139: <p>
                    140:
1.58      tb        141: <li id="p010_bgpd">
1.41      deraadt   142: <font color="#009000"><strong>010: RELIABILITY FIX: February 18, 2009</strong></font>
                    143: &nbsp; <i>All architectures</i><br>
1.18      claudio   144: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
                    145: the process to terminate because of the resulting corrupt path.
                    146: <br>
1.55      tb        147: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40      deraadt   148: A source code patch exists which remedies this problem.</a>
1.18      claudio   149: <p>
                    150:
1.58      tb        151: <li id="p009_bgpd">
1.41      deraadt   152: <font color="#009000"><strong>009: RELIABILITY FIX: January 30, 2009</strong></font>
                    153: &nbsp; <i>All architectures</i><br>
1.16      claudio   154: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
                    155: adhering to the RFCs - closed the session to the neighbor.
                    156: This error in the specification allowed 3rd parties to close remote BGP
                    157: sessions.
                    158: In the worst case Internet connectivity could be lost.
                    159: <br>
1.55      tb        160: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40      deraadt   161: A source code patch exists which remedies this problem.</a>
1.16      claudio   162: <p>
                    163:
1.58      tb        164: <li id="p008_bind">
1.41      deraadt   165: <font color="#009000"><strong>008: SECURITY FIX: January 14, 2009</strong></font>
                    166: &nbsp; <i>All architectures</i><br>
1.14      djm       167: named(8) did not correctly check the return value of a DSA verification
                    168: function, potentially allowing bypass of verification of DNSSEC DSA
                    169: signatures.
                    170: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
                    171: <br>
1.55      tb        172: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40      deraadt   173: A source code patch exists which remedies this problem.</a>
1.14      djm       174: <p>
                    175:
1.58      tb        176: <li id="p007_openssl">
1.41      deraadt   177: <font color="#009000"><strong>007: SECURITY FIX: January 9, 2009</strong></font>
                    178: &nbsp; <i>All architectures</i><br>
1.13      djm       179: The OpenSSL libraries did not correctly check the return value from
1.17      miod      180: certain verification functions, allowing validation to be bypassed and
1.13      djm       181: permitting a remote attacker to conduct a "man in the middle attack"
                    182: against SSL/TLS connections if the server is configured with a DSA or ECDSA
                    183: certificate.
                    184: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
                    185: <br>
1.55      tb        186: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40      deraadt   187: A source code patch exists which remedies this problem.</a>
1.13      djm       188: <p>
                    189:
1.58      tb        190: <li id="p006_ndp">
1.41      deraadt   191: <font color="#009000"><strong>006: SECURITY FIX: October 2, 2008</strong></font>
                    192: &nbsp; <i>All architectures</i><br>
1.11      brad      193: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
                    194: solicitation requests maybe allowing a nearby attacker to intercept traffic.
                    195: The attacker must have IPv6 connectivity to the same router as their target for
                    196: this vulnerability to be exploited.
1.12      brad      197: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.11      brad      198: <br>
1.55      tb        199: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40      deraadt   200: A source code patch exists which remedies this problem.</a>
1.11      brad      201: <p>
                    202:
1.58      tb        203: <li id="p005_pcb">
1.41      deraadt   204: <font color="#009000"><strong>005: RELIABILITY FIX: July 29, 2008</strong></font>
                    205: &nbsp; <i>All architectures</i><br>
1.37      deraadt   206: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
                    207: was exercised by the named(8) patch for port randomization).  Since INET6 is
1.7       jdixon    208: enabled by default, this condition affects all systems.
                    209: <br>
1.55      tb        210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40      deraadt   211: A source code patch exists which remedies this problem.</a>
1.7       jdixon    212: <p>
                    213:
1.58      tb        214: <li id="p004_bind">
1.41      deraadt   215: <font color="#009000"><strong>004: SECURITY FIX: July 23, 2008</strong></font>
                    216: &nbsp; <i>All architectures</i><br>
1.6       brad      217: <strong>2nd revision, July 23, 2008</strong><br>
1.5       brad      218: A vulnerability has been found with BIND. An attacker could use this vulnerability
                    219: to poison the cache of a recursive resolving name server.
                    220: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
                    221: <br>
1.55      tb        222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40      deraadt   223: A source code patch exists which remedies this problem.</a>
1.5       brad      224: <p>
                    225:
1.58      tb        226: <li id="p003_xorg">
1.41      deraadt   227: <font color="#009000"><strong>003: SECURITY FIX: July 15, 2008</strong></font>
                    228: &nbsp; <i>All architectures</i><br>
1.4       brad      229: Multiple vulnerabilities have been discovered in X.Org.<br>
                    230: RENDER Extension heap buffer overflow,
                    231: RENDER Extension crash,
                    232: RENDER Extension memory corruption,
                    233: MIT-SHM arbitrary memory read,
                    234: RECORD and Security extensions memory corruption.
1.5       brad      235: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
                    236: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
                    237: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
                    238: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
                    239: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.4       brad      240: <br>
1.55      tb        241: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40      deraadt   242: A source code patch exists which remedies this problem.</a>
1.4       brad      243: <p>
                    244:
1.58      tb        245: <li id="p002_openssh2">
1.41      deraadt   246: <font color="#009000"><strong>002: SECURITY FIX: April 3, 2008</strong></font>
                    247: &nbsp; <i>All architectures</i><br>
1.3       brad      248: Avoid possible hijacking of X11-forwarded connections with sshd(8)
                    249: by refusing to listen on a port unless all address families bind
                    250: successfully.<br>
1.55      tb        251: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40      deraadt   252: A source code patch exists which remedies this problem.</a>
1.3       brad      253: <p>
                    254:
1.58      tb        255: <li id="p001_openssh">
1.41      deraadt   256: <font color="#009000"><strong>001: SECURITY FIX: March 30, 2008</strong></font>
                    257: &nbsp; <i>All architectures</i><br>
1.2       brad      258: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
                    259: directive was in effect, allowing users with write access to this file to
                    260: execute arbitrary commands. This behaviour was documented, but was an unsafe
                    261: default and an extra hassle for administrators.<br>
1.55      tb        262: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40      deraadt   263: A source code patch exists which remedies this problem.</a>
1.2       brad      264: <p>
1.1       deraadt   265:
                    266: </ul>
                    267:
1.45      tedu      268: <hr>
                    269:
1.1       deraadt   270: </body>
                    271: </html>