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1.63      bentley     1: <!doctype html>
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1.52      tj          5: <title>OpenBSD 4.3 Errata</title>
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1.1       deraadt    10:
1.43      deraadt    11: <!--
                     12:                        IMPORTANT REMINDER
                     13:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.1       deraadt    16:
1.63      bentley    17: <h2 id=OpenBSD>
1.51      deraadt    18: <a href="index.html">
1.63      bentley    19: <i>Open</i><b>BSD</b></a>
                     20: 4.3 Errata
1.52      tj         21: </h2>
1.51      deraadt    22: <hr>
1.1       deraadt    23:
                     24: For errata on a certain release, click below:<br>
1.66      schwarze   25: <a href="errata20.html">2.0</a>,
1.1       deraadt    26: <a href="errata21.html">2.1</a>,
                     27: <a href="errata22.html">2.2</a>,
                     28: <a href="errata23.html">2.3</a>,
                     29: <a href="errata24.html">2.4</a>,
                     30: <a href="errata25.html">2.5</a>,
                     31: <a href="errata26.html">2.6</a>,
                     32: <a href="errata27.html">2.7</a>,
                     33: <a href="errata28.html">2.8</a>,
                     34: <a href="errata29.html">2.9</a>,
                     35: <a href="errata30.html">3.0</a>,
                     36: <a href="errata31.html">3.1</a>,
                     37: <a href="errata32.html">3.2</a>,
                     38: <a href="errata33.html">3.3</a>,
                     39: <a href="errata34.html">3.4</a>,
                     40: <a href="errata35.html">3.5</a>,
1.66      schwarze   41: <br>
1.1       deraadt    42: <a href="errata36.html">3.6</a>,
                     43: <a href="errata37.html">3.7</a>,
                     44: <a href="errata38.html">3.8</a>,
                     45: <a href="errata39.html">3.9</a>,
                     46: <a href="errata40.html">4.0</a>,
                     47: <a href="errata41.html">4.1</a>,
1.9       deraadt    48: <a href="errata42.html">4.2</a>,
1.22      deraadt    49: <a href="errata44.html">4.4</a>,
1.26      deraadt    50: <a href="errata45.html">4.5</a>,
1.27      deraadt    51: <a href="errata46.html">4.6</a>,
1.29      deraadt    52: <a href="errata47.html">4.7</a>,
1.31      miod       53: <a href="errata48.html">4.8</a>,
1.32      nick       54: <a href="errata49.html">4.9</a>,
1.33      sthen      55: <a href="errata50.html">5.0</a>,
1.34      deraadt    56: <a href="errata51.html">5.1</a>,
1.35      deraadt    57: <a href="errata52.html">5.2</a>,
1.66      schwarze   58: <br>
1.36      deraadt    59: <a href="errata53.html">5.3</a>,
1.37      deraadt    60: <a href="errata54.html">5.4</a>,
1.42      jsg        61: <a href="errata55.html">5.5</a>,
1.46      deraadt    62: <a href="errata56.html">5.6</a>,
1.49      deraadt    63: <a href="errata57.html">5.7</a>,
1.50      deraadt    64: <a href="errata58.html">5.8</a>,
1.53      deraadt    65: <a href="errata59.html">5.9</a>,
1.56      tj         66: <a href="errata60.html">6.0</a>,
1.59      deraadt    67: <a href="errata61.html">6.1</a>,
1.60      deraadt    68: <a href="errata62.html">6.2</a>,
1.61      deraadt    69: <a href="errata63.html">6.3</a>,
1.62      deraadt    70: <a href="errata64.html">6.4</a>,
1.65      deraadt    71: <a href="errata65.html">6.5</a>,
1.67    ! deraadt    72: <a href="errata66.html">6.6</a>,
        !            73: <a href="errata67.html">6.7</a>.
1.1       deraadt    74: <hr>
                     75:
1.40      deraadt    76: <p>
1.56      tj         77: Patches for the OpenBSD base system are distributed as unified diffs.
                     78: Each patch contains usage instructions.
                     79: All the following patches are also available in one
                     80: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
                     81: for convenience.
1.1       deraadt    82:
1.40      deraadt    83: <p>
1.56      tj         84: Patches for supported releases are also incorporated into the
1.57      tj         85: <a href="stable.html">-stable branch</a>.
1.40      deraadt    86:
1.1       deraadt    87: <hr>
                     88:
                     89: <ul>
                     90:
1.64      deraadt    91: <li id="p001_openssh">
                     92: <strong>001: SECURITY FIX: March 30, 2008</strong>
1.41      deraadt    93: &nbsp; <i>All architectures</i><br>
1.64      deraadt    94: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
                     95: directive was in effect, allowing users with write access to this file to
                     96: execute arbitrary commands. This behaviour was documented, but was an unsafe
                     97: default and an extra hassle for administrators.<br>
                     98: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40      deraadt    99: A source code patch exists which remedies this problem.</a>
1.23      sthen     100: <p>
                    101:
1.64      deraadt   102: <li id="p002_openssh2">
                    103: <strong>002: SECURITY FIX: April 3, 2008</strong>
1.41      deraadt   104: &nbsp; <i>All architectures</i><br>
1.64      deraadt   105: Avoid possible hijacking of X11-forwarded connections with sshd(8)
                    106: by refusing to listen on a port unless all address families bind
                    107: successfully.<br>
                    108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40      deraadt   109: A source code patch exists which remedies this problem.</a>
1.20      djm       110: <p>
                    111:
1.64      deraadt   112: <li id="p003_xorg">
                    113: <strong>003: SECURITY FIX: July 15, 2008</strong>
1.41      deraadt   114: &nbsp; <i>All architectures</i><br>
1.64      deraadt   115: Multiple vulnerabilities have been discovered in X.Org.<br>
                    116: RENDER Extension heap buffer overflow,
                    117: RENDER Extension crash,
                    118: RENDER Extension memory corruption,
                    119: MIT-SHM arbitrary memory read,
                    120: RECORD and Security extensions memory corruption.
                    121: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
                    122: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
                    123: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
                    124: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
                    125: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.19      millert   126: <br>
1.64      deraadt   127: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40      deraadt   128: A source code patch exists which remedies this problem.</a>
1.19      millert   129: <p>
                    130:
1.64      deraadt   131: <li id="p004_bind">
                    132: <strong>004: SECURITY FIX: July 23, 2008</strong>
1.41      deraadt   133: &nbsp; <i>All architectures</i><br>
1.64      deraadt   134: <b>2nd revision, July 23, 2008</b><br>
                    135: A vulnerability has been found with BIND. An attacker could use this vulnerability
                    136: to poison the cache of a recursive resolving name server.
                    137: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
1.18      claudio   138: <br>
1.64      deraadt   139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40      deraadt   140: A source code patch exists which remedies this problem.</a>
1.18      claudio   141: <p>
                    142:
1.64      deraadt   143: <li id="p005_pcb">
                    144: <strong>005: RELIABILITY FIX: July 29, 2008</strong>
1.41      deraadt   145: &nbsp; <i>All architectures</i><br>
1.64      deraadt   146: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
                    147: was exercised by the named(8) patch for port randomization).  Since INET6 is
                    148: enabled by default, this condition affects all systems.
1.16      claudio   149: <br>
1.64      deraadt   150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40      deraadt   151: A source code patch exists which remedies this problem.</a>
1.16      claudio   152: <p>
                    153:
1.64      deraadt   154: <li id="p006_ndp">
                    155: <strong>006: SECURITY FIX: October 2, 2008</strong>
1.41      deraadt   156: &nbsp; <i>All architectures</i><br>
1.64      deraadt   157: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
                    158: solicitation requests maybe allowing a nearby attacker to intercept traffic.
                    159: The attacker must have IPv6 connectivity to the same router as their target for
                    160: this vulnerability to be exploited.
                    161: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.14      djm       162: <br>
1.64      deraadt   163: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40      deraadt   164: A source code patch exists which remedies this problem.</a>
1.14      djm       165: <p>
                    166:
1.58      tb        167: <li id="p007_openssl">
1.63      bentley   168: <strong>007: SECURITY FIX: January 9, 2009</strong>
1.41      deraadt   169: &nbsp; <i>All architectures</i><br>
1.13      djm       170: The OpenSSL libraries did not correctly check the return value from
1.17      miod      171: certain verification functions, allowing validation to be bypassed and
1.13      djm       172: permitting a remote attacker to conduct a "man in the middle attack"
                    173: against SSL/TLS connections if the server is configured with a DSA or ECDSA
                    174: certificate.
                    175: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
                    176: <br>
1.55      tb        177: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40      deraadt   178: A source code patch exists which remedies this problem.</a>
1.13      djm       179: <p>
                    180:
1.64      deraadt   181: <li id="p008_bind">
                    182: <strong>008: SECURITY FIX: January 14, 2009</strong>
1.41      deraadt   183: &nbsp; <i>All architectures</i><br>
1.64      deraadt   184: named(8) did not correctly check the return value of a DSA verification
                    185: function, potentially allowing bypass of verification of DNSSEC DSA
                    186: signatures.
                    187: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
1.11      brad      188: <br>
1.64      deraadt   189: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40      deraadt   190: A source code patch exists which remedies this problem.</a>
1.11      brad      191: <p>
                    192:
1.64      deraadt   193: <li id="p009_bgpd">
                    194: <strong>009: RELIABILITY FIX: January 30, 2009</strong>
1.41      deraadt   195: &nbsp; <i>All architectures</i><br>
1.64      deraadt   196: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
                    197: adhering to the RFCs - closed the session to the neighbor.
                    198: This error in the specification allowed 3rd parties to close remote BGP
                    199: sessions.
                    200: In the worst case Internet connectivity could be lost.
1.7       jdixon    201: <br>
1.64      deraadt   202: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40      deraadt   203: A source code patch exists which remedies this problem.</a>
1.7       jdixon    204: <p>
                    205:
1.64      deraadt   206: <li id="p010_bgpd">
                    207: <strong>010: RELIABILITY FIX: February 18, 2009</strong>
1.41      deraadt   208: &nbsp; <i>All architectures</i><br>
1.64      deraadt   209: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
                    210: the process to terminate because of the resulting corrupt path.
1.5       brad      211: <br>
1.64      deraadt   212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40      deraadt   213: A source code patch exists which remedies this problem.</a>
1.5       brad      214: <p>
                    215:
1.64      deraadt   216: <li id="p011_sudo">
                    217: <strong>011: SECURITY FIX: February 22, 2009</strong>
1.41      deraadt   218: &nbsp; <i>All architectures</i><br>
1.64      deraadt   219: sudo(8) may allow a user listed in the sudoers file to run a command
                    220: as a different user than their access rule specifies when a Unix
                    221: group is used in the RunAs portion of the rule.  The bug only manifests
                    222: when the user being granted privileges is also a member of the group
                    223: in the RunAs portion of the rule.
1.4       brad      224: <br>
1.64      deraadt   225: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40      deraadt   226: A source code patch exists which remedies this problem.</a>
1.4       brad      227: <p>
                    228:
1.64      deraadt   229: <li id="p012_openssl">
                    230: <strong>012: RELIABILITY FIX: April 8, 2009</strong>
1.41      deraadt   231: &nbsp; <i>All architectures</i><br>
1.64      deraadt   232: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
                    233: accesses through the use of certain invalid strings
                    234: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
                    235: or under certain error conditions triggerable by invalid ASN.1 structures
                    236: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
                    237: These vulnerabilities could be exploited to achieve a
                    238: denial-of-service. A more detailed description of these problems is available
                    239: in the
                    240: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
                    241: Checking During CMS verification" relates to code not enabled in OpenBSD.
                    242: <br>
                    243: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40      deraadt   244: A source code patch exists which remedies this problem.</a>
1.3       brad      245: <p>
                    246:
1.64      deraadt   247: <li id="p013_pf">
                    248: <strong>013: RELIABILITY FIX: April 11, 2009</strong>
1.41      deraadt   249: &nbsp; <i>All architectures</i><br>
1.64      deraadt   250: When pf attempts to perform translation on a specially crafted IP datagram,
                    251: a null pointer dereference will occur, resulting in a kernel panic.
                    252: In certain configurations this may be triggered by a remote attacker.
                    253: <br>
                    254: Restricting translation rules to protocols that are specific to the IP version
                    255: in use, is an effective workaround until the patch can be installed. As an
                    256: example, for IPv4 nat/binat/rdr rules you can use:
                    257: <pre>
                    258:     nat/rdr ... inet proto { tcp udp icmp } ...
                    259: </pre>
                    260: Or for IPv6 nat/binat/rdr rules you can use:
                    261: <pre>
                    262:     nat/rdr ... inet6 proto { tcp udp icmp6 } ...
                    263: </pre>
                    264: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40      deraadt   265: A source code patch exists which remedies this problem.</a>
1.2       brad      266: <p>
1.1       deraadt   267:
                    268: </ul>
                    269:
1.45      tedu      270: <hr>
1.64      deraadt   271: 1