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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>,
72: <a href="errata66.html">6.6</a>.
1.1 deraadt 73: <hr>
74:
1.40 deraadt 75: <p>
1.56 tj 76: Patches for the OpenBSD base system are distributed as unified diffs.
77: Each patch contains usage instructions.
78: All the following patches are also available in one
79: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
80: for convenience.
1.1 deraadt 81:
1.40 deraadt 82: <p>
1.56 tj 83: Patches for supported releases are also incorporated into the
1.57 tj 84: <a href="stable.html">-stable branch</a>.
1.40 deraadt 85:
1.1 deraadt 86: <hr>
87:
88: <ul>
89:
1.64 deraadt 90: <li id="p001_openssh">
91: <strong>001: SECURITY FIX: March 30, 2008</strong>
1.41 deraadt 92: <i>All architectures</i><br>
1.64 deraadt 93: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
94: directive was in effect, allowing users with write access to this file to
95: execute arbitrary commands. This behaviour was documented, but was an unsafe
96: default and an extra hassle for administrators.<br>
97: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40 deraadt 98: A source code patch exists which remedies this problem.</a>
1.23 sthen 99: <p>
100:
1.64 deraadt 101: <li id="p002_openssh2">
102: <strong>002: SECURITY FIX: April 3, 2008</strong>
1.41 deraadt 103: <i>All architectures</i><br>
1.64 deraadt 104: Avoid possible hijacking of X11-forwarded connections with sshd(8)
105: by refusing to listen on a port unless all address families bind
106: successfully.<br>
107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40 deraadt 108: A source code patch exists which remedies this problem.</a>
1.20 djm 109: <p>
110:
1.64 deraadt 111: <li id="p003_xorg">
112: <strong>003: SECURITY FIX: July 15, 2008</strong>
1.41 deraadt 113: <i>All architectures</i><br>
1.64 deraadt 114: Multiple vulnerabilities have been discovered in X.Org.<br>
115: RENDER Extension heap buffer overflow,
116: RENDER Extension crash,
117: RENDER Extension memory corruption,
118: MIT-SHM arbitrary memory read,
119: RECORD and Security extensions memory corruption.
120: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
121: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
122: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
123: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
124: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.19 millert 125: <br>
1.64 deraadt 126: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40 deraadt 127: A source code patch exists which remedies this problem.</a>
1.19 millert 128: <p>
129:
1.64 deraadt 130: <li id="p004_bind">
131: <strong>004: SECURITY FIX: July 23, 2008</strong>
1.41 deraadt 132: <i>All architectures</i><br>
1.64 deraadt 133: <b>2nd revision, July 23, 2008</b><br>
134: A vulnerability has been found with BIND. An attacker could use this vulnerability
135: to poison the cache of a recursive resolving name server.
136: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
1.18 claudio 137: <br>
1.64 deraadt 138: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40 deraadt 139: A source code patch exists which remedies this problem.</a>
1.18 claudio 140: <p>
141:
1.64 deraadt 142: <li id="p005_pcb">
143: <strong>005: RELIABILITY FIX: July 29, 2008</strong>
1.41 deraadt 144: <i>All architectures</i><br>
1.64 deraadt 145: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
146: was exercised by the named(8) patch for port randomization). Since INET6 is
147: enabled by default, this condition affects all systems.
1.16 claudio 148: <br>
1.64 deraadt 149: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40 deraadt 150: A source code patch exists which remedies this problem.</a>
1.16 claudio 151: <p>
152:
1.64 deraadt 153: <li id="p006_ndp">
154: <strong>006: SECURITY FIX: October 2, 2008</strong>
1.41 deraadt 155: <i>All architectures</i><br>
1.64 deraadt 156: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
157: solicitation requests maybe allowing a nearby attacker to intercept traffic.
158: The attacker must have IPv6 connectivity to the same router as their target for
159: this vulnerability to be exploited.
160: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.14 djm 161: <br>
1.64 deraadt 162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40 deraadt 163: A source code patch exists which remedies this problem.</a>
1.14 djm 164: <p>
165:
1.58 tb 166: <li id="p007_openssl">
1.63 bentley 167: <strong>007: SECURITY FIX: January 9, 2009</strong>
1.41 deraadt 168: <i>All architectures</i><br>
1.13 djm 169: The OpenSSL libraries did not correctly check the return value from
1.17 miod 170: certain verification functions, allowing validation to be bypassed and
1.13 djm 171: permitting a remote attacker to conduct a "man in the middle attack"
172: against SSL/TLS connections if the server is configured with a DSA or ECDSA
173: certificate.
174: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
175: <br>
1.55 tb 176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40 deraadt 177: A source code patch exists which remedies this problem.</a>
1.13 djm 178: <p>
179:
1.64 deraadt 180: <li id="p008_bind">
181: <strong>008: SECURITY FIX: January 14, 2009</strong>
1.41 deraadt 182: <i>All architectures</i><br>
1.64 deraadt 183: named(8) did not correctly check the return value of a DSA verification
184: function, potentially allowing bypass of verification of DNSSEC DSA
185: signatures.
186: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
1.11 brad 187: <br>
1.64 deraadt 188: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40 deraadt 189: A source code patch exists which remedies this problem.</a>
1.11 brad 190: <p>
191:
1.64 deraadt 192: <li id="p009_bgpd">
193: <strong>009: RELIABILITY FIX: January 30, 2009</strong>
1.41 deraadt 194: <i>All architectures</i><br>
1.64 deraadt 195: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
196: adhering to the RFCs - closed the session to the neighbor.
197: This error in the specification allowed 3rd parties to close remote BGP
198: sessions.
199: In the worst case Internet connectivity could be lost.
1.7 jdixon 200: <br>
1.64 deraadt 201: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40 deraadt 202: A source code patch exists which remedies this problem.</a>
1.7 jdixon 203: <p>
204:
1.64 deraadt 205: <li id="p010_bgpd">
206: <strong>010: RELIABILITY FIX: February 18, 2009</strong>
1.41 deraadt 207: <i>All architectures</i><br>
1.64 deraadt 208: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
209: the process to terminate because of the resulting corrupt path.
1.5 brad 210: <br>
1.64 deraadt 211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40 deraadt 212: A source code patch exists which remedies this problem.</a>
1.5 brad 213: <p>
214:
1.64 deraadt 215: <li id="p011_sudo">
216: <strong>011: SECURITY FIX: February 22, 2009</strong>
1.41 deraadt 217: <i>All architectures</i><br>
1.64 deraadt 218: sudo(8) may allow a user listed in the sudoers file to run a command
219: as a different user than their access rule specifies when a Unix
220: group is used in the RunAs portion of the rule. The bug only manifests
221: when the user being granted privileges is also a member of the group
222: in the RunAs portion of the rule.
1.4 brad 223: <br>
1.64 deraadt 224: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40 deraadt 225: A source code patch exists which remedies this problem.</a>
1.4 brad 226: <p>
227:
1.64 deraadt 228: <li id="p012_openssl">
229: <strong>012: RELIABILITY FIX: April 8, 2009</strong>
1.41 deraadt 230: <i>All architectures</i><br>
1.64 deraadt 231: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
232: accesses through the use of certain invalid strings
233: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
234: or under certain error conditions triggerable by invalid ASN.1 structures
235: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
236: These vulnerabilities could be exploited to achieve a
237: denial-of-service. A more detailed description of these problems is available
238: in the
239: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
240: Checking During CMS verification" relates to code not enabled in OpenBSD.
241: <br>
242: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40 deraadt 243: A source code patch exists which remedies this problem.</a>
1.3 brad 244: <p>
245:
1.64 deraadt 246: <li id="p013_pf">
247: <strong>013: RELIABILITY FIX: April 11, 2009</strong>
1.41 deraadt 248: <i>All architectures</i><br>
1.64 deraadt 249: When pf attempts to perform translation on a specially crafted IP datagram,
250: a null pointer dereference will occur, resulting in a kernel panic.
251: In certain configurations this may be triggered by a remote attacker.
252: <br>
253: Restricting translation rules to protocols that are specific to the IP version
254: in use, is an effective workaround until the patch can be installed. As an
255: example, for IPv4 nat/binat/rdr rules you can use:
256: <pre>
257: nat/rdr ... inet proto { tcp udp icmp } ...
258: </pre>
259: Or for IPv6 nat/binat/rdr rules you can use:
260: <pre>
261: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
262: </pre>
263: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40 deraadt 264: A source code patch exists which remedies this problem.</a>
1.2 brad 265: <p>
1.1 deraadt 266:
267: </ul>
268:
1.45 tedu 269: <hr>
1.64 deraadt 270: 1
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