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1.43 deraadt 20: <h2><font color="#e00000">
21: OpenBSD 4.3 errata
1.1 deraadt 22: </font></h2>
23:
24: <hr>
25: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
26: <br>
27: For errata on a certain release, click below:<br>
28: <a href="errata21.html">2.1</a>,
29: <a href="errata22.html">2.2</a>,
30: <a href="errata23.html">2.3</a>,
31: <a href="errata24.html">2.4</a>,
32: <a href="errata25.html">2.5</a>,
33: <a href="errata26.html">2.6</a>,
34: <a href="errata27.html">2.7</a>,
35: <a href="errata28.html">2.8</a>,
36: <a href="errata29.html">2.9</a>,
37: <a href="errata30.html">3.0</a>,
38: <a href="errata31.html">3.1</a>,
39: <a href="errata32.html">3.2</a>,
40: <a href="errata33.html">3.3</a>,
41: <a href="errata34.html">3.4</a>,
42: <a href="errata35.html">3.5</a>,
43: <a href="errata36.html">3.6</a>,
1.9 deraadt 44: <br>
1.1 deraadt 45: <a href="errata37.html">3.7</a>,
46: <a href="errata38.html">3.8</a>,
47: <a href="errata39.html">3.9</a>,
48: <a href="errata40.html">4.0</a>,
49: <a href="errata41.html">4.1</a>,
1.9 deraadt 50: <a href="errata42.html">4.2</a>,
1.22 deraadt 51: <a href="errata44.html">4.4</a>,
1.26 deraadt 52: <a href="errata45.html">4.5</a>,
1.27 deraadt 53: <a href="errata46.html">4.6</a>,
1.29 deraadt 54: <a href="errata47.html">4.7</a>,
1.31 miod 55: <a href="errata48.html">4.8</a>,
1.32 nick 56: <a href="errata49.html">4.9</a>,
1.33 sthen 57: <a href="errata50.html">5.0</a>,
1.34 deraadt 58: <a href="errata51.html">5.1</a>,
1.35 deraadt 59: <a href="errata52.html">5.2</a>,
1.36 deraadt 60: <a href="errata53.html">5.3</a>,
1.39 deraadt 61: <br>
1.37 deraadt 62: <a href="errata54.html">5.4</a>,
1.42 jsg 63: <a href="errata55.html">5.5</a>,
64: <a href="errata56.html">5.6</a>.
1.1 deraadt 65: <br>
66: <hr>
67:
1.28 sthen 68: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">
1.1 deraadt 69: You can also fetch a tar.gz file containing all the following patches</a>.
70: This file is updated once a day.
1.40 deraadt 71: <p>
1.1 deraadt 72:
1.40 deraadt 73: The patches below are available in CVS via the
1.1 deraadt 74: <code>OPENBSD_4_3</code> <a href="stable.html">patch branch</a>.
1.40 deraadt 75: <p>
1.1 deraadt 76:
77: For more detailed information on how to install patches to OpenBSD, please
78: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
1.40 deraadt 79: <p>
80:
1.1 deraadt 81: <hr>
82:
83: <ul>
84:
1.44 ! bentley 85: <li id="013_pf">
1.41 deraadt 86: <font color="#009000"><strong>013: RELIABILITY FIX: April 11, 2009</strong></font>
87: <i>All architectures</i><br>
1.23 sthen 88: When pf attempts to perform translation on a specially crafted IP datagram,
89: a null pointer dereference will occur, resulting in a kernel panic.
90: In certain configurations this may be triggered by a remote attacker.
1.24 sthen 91: <br>
1.23 sthen 92: Restricting translation rules to protocols that are specific to the IP version
93: in use, is an effective workaround until the patch can be installed. As an
94: example, for IPv4 nat/binat/rdr rules you can use:
95: <pre>
96: nat/rdr ... inet proto { tcp udp icmp } ...
97: </pre>
98: Or for IPv6 nat/binat/rdr rules you can use:
99: <pre>
100: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
101: </pre>
1.28 sthen 102: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40 deraadt 103: A source code patch exists which remedies this problem.</a>
1.23 sthen 104: <p>
105:
1.44 ! bentley 106: <li id="012_openssl">
1.41 deraadt 107: <font color="#009000"><strong>012: RELIABILITY FIX: April 8, 2009</strong></font>
108: <i>All architectures</i><br>
1.20 djm 109: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.25 tobias 110: accesses through the use of certain invalid strings
1.20 djm 111: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
112: or under certain error conditions triggerable by invalid ASN.1 structures
113: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
114: These vulnerabilities could be exploited to achieve a
115: denial-of-service. A more detailed description of these problems is available
116: in the
117: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
118: Checking During CMS verification" relates to code not enabled in OpenBSD.
119: <br>
1.28 sthen 120: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40 deraadt 121: A source code patch exists which remedies this problem.</a>
1.20 djm 122: <p>
123:
1.44 ! bentley 124: <li id="011_sudo">
1.41 deraadt 125: <font color="#009000"><strong>011: SECURITY FIX: February 22, 2009</strong></font>
126: <i>All architectures</i><br>
1.19 millert 127: sudo(8) may allow a user listed in the sudoers file to run a command
128: as a different user than their access rule specifies when a Unix
129: group is used in the RunAs portion of the rule. The bug only manifests
130: when the user being granted privileges is also a member of the group
131: in the RunAs portion of the rule.
132: <br>
1.28 sthen 133: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40 deraadt 134: A source code patch exists which remedies this problem.</a>
1.19 millert 135: <p>
136:
1.44 ! bentley 137: <li id="010_bgpd">
1.41 deraadt 138: <font color="#009000"><strong>010: RELIABILITY FIX: February 18, 2009</strong></font>
139: <i>All architectures</i><br>
1.18 claudio 140: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
141: the process to terminate because of the resulting corrupt path.
142: <br>
1.28 sthen 143: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40 deraadt 144: A source code patch exists which remedies this problem.</a>
1.18 claudio 145: <p>
146:
1.44 ! bentley 147: <li id="009_bgpd">
1.41 deraadt 148: <font color="#009000"><strong>009: RELIABILITY FIX: January 30, 2009</strong></font>
149: <i>All architectures</i><br>
1.16 claudio 150: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
151: adhering to the RFCs - closed the session to the neighbor.
152: This error in the specification allowed 3rd parties to close remote BGP
153: sessions.
154: In the worst case Internet connectivity could be lost.
155: <br>
1.28 sthen 156: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40 deraadt 157: A source code patch exists which remedies this problem.</a>
1.16 claudio 158: <p>
159:
1.44 ! bentley 160: <li id="008_bind">
1.41 deraadt 161: <font color="#009000"><strong>008: SECURITY FIX: January 14, 2009</strong></font>
162: <i>All architectures</i><br>
1.14 djm 163: named(8) did not correctly check the return value of a DSA verification
164: function, potentially allowing bypass of verification of DNSSEC DSA
165: signatures.
166: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
167: <br>
1.28 sthen 168: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40 deraadt 169: A source code patch exists which remedies this problem.</a>
1.14 djm 170: <p>
171:
1.44 ! bentley 172: <li id="007_openssl">
1.41 deraadt 173: <font color="#009000"><strong>007: SECURITY FIX: January 9, 2009</strong></font>
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>
1.28 sthen 182: <a href="http://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:
1.44 ! bentley 186: <li id="006_ndp">
1.41 deraadt 187: <font color="#009000"><strong>006: SECURITY FIX: October 2, 2008</strong></font>
188: <i>All architectures</i><br>
1.11 brad 189: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
190: solicitation requests maybe allowing a nearby attacker to intercept traffic.
191: The attacker must have IPv6 connectivity to the same router as their target for
192: this vulnerability to be exploited.
1.12 brad 193: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.11 brad 194: <br>
1.28 sthen 195: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40 deraadt 196: A source code patch exists which remedies this problem.</a>
1.11 brad 197: <p>
198:
1.44 ! bentley 199: <li id="005_pcb">
1.41 deraadt 200: <font color="#009000"><strong>005: RELIABILITY FIX: July 29, 2008</strong></font>
201: <i>All architectures</i><br>
1.37 deraadt 202: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
203: was exercised by the named(8) patch for port randomization). Since INET6 is
1.7 jdixon 204: enabled by default, this condition affects all systems.
205: <br>
1.28 sthen 206: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40 deraadt 207: A source code patch exists which remedies this problem.</a>
1.7 jdixon 208: <p>
209:
1.44 ! bentley 210: <li id="004_bind">
1.41 deraadt 211: <font color="#009000"><strong>004: SECURITY FIX: July 23, 2008</strong></font>
212: <i>All architectures</i><br>
1.6 brad 213: <strong>2nd revision, July 23, 2008</strong><br>
1.5 brad 214: A vulnerability has been found with BIND. An attacker could use this vulnerability
215: to poison the cache of a recursive resolving name server.
216: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
217: <br>
1.28 sthen 218: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40 deraadt 219: A source code patch exists which remedies this problem.</a>
1.5 brad 220: <p>
221:
1.44 ! bentley 222: <li id="003_xorg">
1.41 deraadt 223: <font color="#009000"><strong>003: SECURITY FIX: July 15, 2008</strong></font>
224: <i>All architectures</i><br>
1.4 brad 225: Multiple vulnerabilities have been discovered in X.Org.<br>
226: RENDER Extension heap buffer overflow,
227: RENDER Extension crash,
228: RENDER Extension memory corruption,
229: MIT-SHM arbitrary memory read,
230: RECORD and Security extensions memory corruption.
1.5 brad 231: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
232: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
233: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
234: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
235: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.4 brad 236: <br>
1.28 sthen 237: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40 deraadt 238: A source code patch exists which remedies this problem.</a>
1.4 brad 239: <p>
240:
1.44 ! bentley 241: <li id="002_openssh2">
1.41 deraadt 242: <font color="#009000"><strong>002: SECURITY FIX: April 3, 2008</strong></font>
243: <i>All architectures</i><br>
1.3 brad 244: Avoid possible hijacking of X11-forwarded connections with sshd(8)
245: by refusing to listen on a port unless all address families bind
246: successfully.<br>
1.28 sthen 247: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40 deraadt 248: A source code patch exists which remedies this problem.</a>
1.3 brad 249: <p>
250:
1.44 ! bentley 251: <li id="001_openssh">
1.41 deraadt 252: <font color="#009000"><strong>001: SECURITY FIX: March 30, 2008</strong></font>
253: <i>All architectures</i><br>
1.2 brad 254: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
255: directive was in effect, allowing users with write access to this file to
256: execute arbitrary commands. This behaviour was documented, but was an unsafe
257: default and an extra hassle for administrators.<br>
1.28 sthen 258: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40 deraadt 259: A source code patch exists which remedies this problem.</a>
1.2 brad 260: <p>
1.1 deraadt 261:
262: </ul>
263:
264: </body>
265: </html>
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