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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>,
! 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: <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: <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: <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: <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: <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: <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: <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: <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: <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: <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: <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: <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: <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