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1.43 deraadt 11: <!--
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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>,
1.73 deraadt 78: <a href="errata71.html">7.1</a>,
1.74 ! tj 79: <a href="errata72.html">7.2</a>,
! 80: <a href="errata73.html">7.3</a>.
1.1 deraadt 81: <hr>
82:
1.40 deraadt 83: <p>
1.56 tj 84: Patches for the OpenBSD base system are distributed as unified diffs.
85: Each patch contains usage instructions.
86: All the following patches are also available in one
87: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
88: for convenience.
1.1 deraadt 89:
1.40 deraadt 90: <p>
1.56 tj 91: Patches for supported releases are also incorporated into the
1.57 tj 92: <a href="stable.html">-stable branch</a>.
1.40 deraadt 93:
1.1 deraadt 94: <hr>
95:
96: <ul>
97:
1.64 deraadt 98: <li id="p001_openssh">
99: <strong>001: SECURITY FIX: March 30, 2008</strong>
1.41 deraadt 100: <i>All architectures</i><br>
1.64 deraadt 101: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
102: directive was in effect, allowing users with write access to this file to
103: execute arbitrary commands. This behaviour was documented, but was an unsafe
104: default and an extra hassle for administrators.<br>
105: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40 deraadt 106: A source code patch exists which remedies this problem.</a>
1.23 sthen 107: <p>
108:
1.64 deraadt 109: <li id="p002_openssh2">
110: <strong>002: SECURITY FIX: April 3, 2008</strong>
1.41 deraadt 111: <i>All architectures</i><br>
1.64 deraadt 112: Avoid possible hijacking of X11-forwarded connections with sshd(8)
113: by refusing to listen on a port unless all address families bind
114: successfully.<br>
115: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40 deraadt 116: A source code patch exists which remedies this problem.</a>
1.20 djm 117: <p>
118:
1.64 deraadt 119: <li id="p003_xorg">
120: <strong>003: SECURITY FIX: July 15, 2008</strong>
1.41 deraadt 121: <i>All architectures</i><br>
1.64 deraadt 122: Multiple vulnerabilities have been discovered in X.Org.<br>
123: RENDER Extension heap buffer overflow,
124: RENDER Extension crash,
125: RENDER Extension memory corruption,
126: MIT-SHM arbitrary memory read,
127: RECORD and Security extensions memory corruption.
128: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
129: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
130: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
131: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
132: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.19 millert 133: <br>
1.64 deraadt 134: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40 deraadt 135: A source code patch exists which remedies this problem.</a>
1.19 millert 136: <p>
137:
1.64 deraadt 138: <li id="p004_bind">
139: <strong>004: SECURITY FIX: July 23, 2008</strong>
1.41 deraadt 140: <i>All architectures</i><br>
1.64 deraadt 141: <b>2nd revision, July 23, 2008</b><br>
142: A vulnerability has been found with BIND. An attacker could use this vulnerability
143: to poison the cache of a recursive resolving name server.
144: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
1.18 claudio 145: <br>
1.64 deraadt 146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40 deraadt 147: A source code patch exists which remedies this problem.</a>
1.18 claudio 148: <p>
149:
1.64 deraadt 150: <li id="p005_pcb">
151: <strong>005: RELIABILITY FIX: July 29, 2008</strong>
1.41 deraadt 152: <i>All architectures</i><br>
1.64 deraadt 153: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
154: was exercised by the named(8) patch for port randomization). Since INET6 is
155: enabled by default, this condition affects all systems.
1.16 claudio 156: <br>
1.64 deraadt 157: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40 deraadt 158: A source code patch exists which remedies this problem.</a>
1.16 claudio 159: <p>
160:
1.64 deraadt 161: <li id="p006_ndp">
162: <strong>006: SECURITY FIX: October 2, 2008</strong>
1.41 deraadt 163: <i>All architectures</i><br>
1.64 deraadt 164: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
165: solicitation requests maybe allowing a nearby attacker to intercept traffic.
166: The attacker must have IPv6 connectivity to the same router as their target for
167: this vulnerability to be exploited.
168: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.14 djm 169: <br>
1.64 deraadt 170: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40 deraadt 171: A source code patch exists which remedies this problem.</a>
1.14 djm 172: <p>
173:
1.58 tb 174: <li id="p007_openssl">
1.63 bentley 175: <strong>007: SECURITY FIX: January 9, 2009</strong>
1.41 deraadt 176: <i>All architectures</i><br>
1.13 djm 177: The OpenSSL libraries did not correctly check the return value from
1.17 miod 178: certain verification functions, allowing validation to be bypassed and
1.13 djm 179: permitting a remote attacker to conduct a "man in the middle attack"
180: against SSL/TLS connections if the server is configured with a DSA or ECDSA
181: certificate.
182: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
183: <br>
1.55 tb 184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40 deraadt 185: A source code patch exists which remedies this problem.</a>
1.13 djm 186: <p>
187:
1.64 deraadt 188: <li id="p008_bind">
189: <strong>008: SECURITY FIX: January 14, 2009</strong>
1.41 deraadt 190: <i>All architectures</i><br>
1.64 deraadt 191: named(8) did not correctly check the return value of a DSA verification
192: function, potentially allowing bypass of verification of DNSSEC DSA
193: signatures.
194: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
1.11 brad 195: <br>
1.64 deraadt 196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40 deraadt 197: A source code patch exists which remedies this problem.</a>
1.11 brad 198: <p>
199:
1.64 deraadt 200: <li id="p009_bgpd">
201: <strong>009: RELIABILITY FIX: January 30, 2009</strong>
1.41 deraadt 202: <i>All architectures</i><br>
1.64 deraadt 203: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
204: adhering to the RFCs - closed the session to the neighbor.
205: This error in the specification allowed 3rd parties to close remote BGP
206: sessions.
207: In the worst case Internet connectivity could be lost.
1.7 jdixon 208: <br>
1.64 deraadt 209: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40 deraadt 210: A source code patch exists which remedies this problem.</a>
1.7 jdixon 211: <p>
212:
1.64 deraadt 213: <li id="p010_bgpd">
214: <strong>010: RELIABILITY FIX: February 18, 2009</strong>
1.41 deraadt 215: <i>All architectures</i><br>
1.64 deraadt 216: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
217: the process to terminate because of the resulting corrupt path.
1.5 brad 218: <br>
1.64 deraadt 219: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40 deraadt 220: A source code patch exists which remedies this problem.</a>
1.5 brad 221: <p>
222:
1.64 deraadt 223: <li id="p011_sudo">
224: <strong>011: SECURITY FIX: February 22, 2009</strong>
1.41 deraadt 225: <i>All architectures</i><br>
1.64 deraadt 226: sudo(8) may allow a user listed in the sudoers file to run a command
227: as a different user than their access rule specifies when a Unix
228: group is used in the RunAs portion of the rule. The bug only manifests
229: when the user being granted privileges is also a member of the group
230: in the RunAs portion of the rule.
1.4 brad 231: <br>
1.64 deraadt 232: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40 deraadt 233: A source code patch exists which remedies this problem.</a>
1.4 brad 234: <p>
235:
1.64 deraadt 236: <li id="p012_openssl">
237: <strong>012: RELIABILITY FIX: April 8, 2009</strong>
1.41 deraadt 238: <i>All architectures</i><br>
1.64 deraadt 239: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
240: accesses through the use of certain invalid strings
241: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
242: or under certain error conditions triggerable by invalid ASN.1 structures
243: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
244: These vulnerabilities could be exploited to achieve a
245: denial-of-service. A more detailed description of these problems is available
246: in the
247: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
248: Checking During CMS verification" relates to code not enabled in OpenBSD.
249: <br>
250: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40 deraadt 251: A source code patch exists which remedies this problem.</a>
1.3 brad 252: <p>
253:
1.64 deraadt 254: <li id="p013_pf">
255: <strong>013: RELIABILITY FIX: April 11, 2009</strong>
1.41 deraadt 256: <i>All architectures</i><br>
1.64 deraadt 257: When pf attempts to perform translation on a specially crafted IP datagram,
258: a null pointer dereference will occur, resulting in a kernel panic.
259: In certain configurations this may be triggered by a remote attacker.
260: <br>
261: Restricting translation rules to protocols that are specific to the IP version
262: in use, is an effective workaround until the patch can be installed. As an
263: example, for IPv4 nat/binat/rdr rules you can use:
264: <pre>
265: nat/rdr ... inet proto { tcp udp icmp } ...
266: </pre>
267: Or for IPv6 nat/binat/rdr rules you can use:
268: <pre>
269: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
270: </pre>
271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40 deraadt 272: A source code patch exists which remedies this problem.</a>
1.2 brad 273: <p>
1.1 deraadt 274:
275: </ul>
276:
1.45 tedu 277: <hr>
1.64 deraadt 278: 1