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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>,
1.68      deraadt    73: <a href="errata67.html">6.7</a>,
1.69      deraadt    74: <a href="errata68.html">6.8</a>,
1.70      tj         75: <br>
1.71      deraadt    76: <a href="errata69.html">6.9</a>,
1.72    ! deraadt    77: <a href="errata70.html">7.0</a>,
        !            78: <a href="errata71.html">7.1</a>.
1.1       deraadt    79: <hr>
                     80:
1.40      deraadt    81: <p>
1.56      tj         82: Patches for the OpenBSD base system are distributed as unified diffs.
                     83: Each patch contains usage instructions.
                     84: All the following patches are also available in one
                     85: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
                     86: for convenience.
1.1       deraadt    87:
1.40      deraadt    88: <p>
1.56      tj         89: Patches for supported releases are also incorporated into the
1.57      tj         90: <a href="stable.html">-stable branch</a>.
1.40      deraadt    91:
1.1       deraadt    92: <hr>
                     93:
                     94: <ul>
                     95:
1.64      deraadt    96: <li id="p001_openssh">
                     97: <strong>001: SECURITY FIX: March 30, 2008</strong>
1.41      deraadt    98: &nbsp; <i>All architectures</i><br>
1.64      deraadt    99: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
                    100: directive was in effect, allowing users with write access to this file to
                    101: execute arbitrary commands. This behaviour was documented, but was an unsafe
                    102: default and an extra hassle for administrators.<br>
                    103: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40      deraadt   104: A source code patch exists which remedies this problem.</a>
1.23      sthen     105: <p>
                    106:
1.64      deraadt   107: <li id="p002_openssh2">
                    108: <strong>002: SECURITY FIX: April 3, 2008</strong>
1.41      deraadt   109: &nbsp; <i>All architectures</i><br>
1.64      deraadt   110: Avoid possible hijacking of X11-forwarded connections with sshd(8)
                    111: by refusing to listen on a port unless all address families bind
                    112: successfully.<br>
                    113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40      deraadt   114: A source code patch exists which remedies this problem.</a>
1.20      djm       115: <p>
                    116:
1.64      deraadt   117: <li id="p003_xorg">
                    118: <strong>003: SECURITY FIX: July 15, 2008</strong>
1.41      deraadt   119: &nbsp; <i>All architectures</i><br>
1.64      deraadt   120: Multiple vulnerabilities have been discovered in X.Org.<br>
                    121: RENDER Extension heap buffer overflow,
                    122: RENDER Extension crash,
                    123: RENDER Extension memory corruption,
                    124: MIT-SHM arbitrary memory read,
                    125: RECORD and Security extensions memory corruption.
                    126: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
                    127: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
                    128: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
                    129: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
                    130: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.19      millert   131: <br>
1.64      deraadt   132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40      deraadt   133: A source code patch exists which remedies this problem.</a>
1.19      millert   134: <p>
                    135:
1.64      deraadt   136: <li id="p004_bind">
                    137: <strong>004: SECURITY FIX: July 23, 2008</strong>
1.41      deraadt   138: &nbsp; <i>All architectures</i><br>
1.64      deraadt   139: <b>2nd revision, July 23, 2008</b><br>
                    140: A vulnerability has been found with BIND. An attacker could use this vulnerability
                    141: to poison the cache of a recursive resolving name server.
                    142: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
1.18      claudio   143: <br>
1.64      deraadt   144: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40      deraadt   145: A source code patch exists which remedies this problem.</a>
1.18      claudio   146: <p>
                    147:
1.64      deraadt   148: <li id="p005_pcb">
                    149: <strong>005: RELIABILITY FIX: July 29, 2008</strong>
1.41      deraadt   150: &nbsp; <i>All architectures</i><br>
1.64      deraadt   151: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
                    152: was exercised by the named(8) patch for port randomization).  Since INET6 is
                    153: enabled by default, this condition affects all systems.
1.16      claudio   154: <br>
1.64      deraadt   155: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40      deraadt   156: A source code patch exists which remedies this problem.</a>
1.16      claudio   157: <p>
                    158:
1.64      deraadt   159: <li id="p006_ndp">
                    160: <strong>006: SECURITY FIX: October 2, 2008</strong>
1.41      deraadt   161: &nbsp; <i>All architectures</i><br>
1.64      deraadt   162: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
                    163: solicitation requests maybe allowing a nearby attacker to intercept traffic.
                    164: The attacker must have IPv6 connectivity to the same router as their target for
                    165: this vulnerability to be exploited.
                    166: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.14      djm       167: <br>
1.64      deraadt   168: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40      deraadt   169: A source code patch exists which remedies this problem.</a>
1.14      djm       170: <p>
                    171:
1.58      tb        172: <li id="p007_openssl">
1.63      bentley   173: <strong>007: SECURITY FIX: January 9, 2009</strong>
1.41      deraadt   174: &nbsp; <i>All architectures</i><br>
1.13      djm       175: The OpenSSL libraries did not correctly check the return value from
1.17      miod      176: certain verification functions, allowing validation to be bypassed and
1.13      djm       177: permitting a remote attacker to conduct a "man in the middle attack"
                    178: against SSL/TLS connections if the server is configured with a DSA or ECDSA
                    179: certificate.
                    180: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
                    181: <br>
1.55      tb        182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40      deraadt   183: A source code patch exists which remedies this problem.</a>
1.13      djm       184: <p>
                    185:
1.64      deraadt   186: <li id="p008_bind">
                    187: <strong>008: SECURITY FIX: January 14, 2009</strong>
1.41      deraadt   188: &nbsp; <i>All architectures</i><br>
1.64      deraadt   189: named(8) did not correctly check the return value of a DSA verification
                    190: function, potentially allowing bypass of verification of DNSSEC DSA
                    191: signatures.
                    192: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
1.11      brad      193: <br>
1.64      deraadt   194: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40      deraadt   195: A source code patch exists which remedies this problem.</a>
1.11      brad      196: <p>
                    197:
1.64      deraadt   198: <li id="p009_bgpd">
                    199: <strong>009: RELIABILITY FIX: January 30, 2009</strong>
1.41      deraadt   200: &nbsp; <i>All architectures</i><br>
1.64      deraadt   201: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
                    202: adhering to the RFCs - closed the session to the neighbor.
                    203: This error in the specification allowed 3rd parties to close remote BGP
                    204: sessions.
                    205: In the worst case Internet connectivity could be lost.
1.7       jdixon    206: <br>
1.64      deraadt   207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40      deraadt   208: A source code patch exists which remedies this problem.</a>
1.7       jdixon    209: <p>
                    210:
1.64      deraadt   211: <li id="p010_bgpd">
                    212: <strong>010: RELIABILITY FIX: February 18, 2009</strong>
1.41      deraadt   213: &nbsp; <i>All architectures</i><br>
1.64      deraadt   214: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
                    215: the process to terminate because of the resulting corrupt path.
1.5       brad      216: <br>
1.64      deraadt   217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40      deraadt   218: A source code patch exists which remedies this problem.</a>
1.5       brad      219: <p>
                    220:
1.64      deraadt   221: <li id="p011_sudo">
                    222: <strong>011: SECURITY FIX: February 22, 2009</strong>
1.41      deraadt   223: &nbsp; <i>All architectures</i><br>
1.64      deraadt   224: sudo(8) may allow a user listed in the sudoers file to run a command
                    225: as a different user than their access rule specifies when a Unix
                    226: group is used in the RunAs portion of the rule.  The bug only manifests
                    227: when the user being granted privileges is also a member of the group
                    228: in the RunAs portion of the rule.
1.4       brad      229: <br>
1.64      deraadt   230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40      deraadt   231: A source code patch exists which remedies this problem.</a>
1.4       brad      232: <p>
                    233:
1.64      deraadt   234: <li id="p012_openssl">
                    235: <strong>012: RELIABILITY FIX: April 8, 2009</strong>
1.41      deraadt   236: &nbsp; <i>All architectures</i><br>
1.64      deraadt   237: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
                    238: accesses through the use of certain invalid strings
                    239: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
                    240: or under certain error conditions triggerable by invalid ASN.1 structures
                    241: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
                    242: These vulnerabilities could be exploited to achieve a
                    243: denial-of-service. A more detailed description of these problems is available
                    244: in the
                    245: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
                    246: Checking During CMS verification" relates to code not enabled in OpenBSD.
                    247: <br>
                    248: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40      deraadt   249: A source code patch exists which remedies this problem.</a>
1.3       brad      250: <p>
                    251:
1.64      deraadt   252: <li id="p013_pf">
                    253: <strong>013: RELIABILITY FIX: April 11, 2009</strong>
1.41      deraadt   254: &nbsp; <i>All architectures</i><br>
1.64      deraadt   255: When pf attempts to perform translation on a specially crafted IP datagram,
                    256: a null pointer dereference will occur, resulting in a kernel panic.
                    257: In certain configurations this may be triggered by a remote attacker.
                    258: <br>
                    259: Restricting translation rules to protocols that are specific to the IP version
                    260: in use, is an effective workaround until the patch can be installed. As an
                    261: example, for IPv4 nat/binat/rdr rules you can use:
                    262: <pre>
                    263:     nat/rdr ... inet proto { tcp udp icmp } ...
                    264: </pre>
                    265: Or for IPv6 nat/binat/rdr rules you can use:
                    266: <pre>
                    267:     nat/rdr ... inet6 proto { tcp udp icmp6 } ...
                    268: </pre>
                    269: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40      deraadt   270: A source code patch exists which remedies this problem.</a>
1.2       brad      271: <p>
1.1       deraadt   272:
                    273: </ul>
                    274:
1.45      tedu      275: <hr>
1.64      deraadt   276: 1