Annotation of www/errata43.html, Revision 1.63
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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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15:
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>
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <a href="errata36.html">3.6</a>,
1.9 deraadt 41: <br>
1.1 deraadt 42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
1.9 deraadt 47: <a href="errata42.html">4.2</a>,
1.22 deraadt 48: <a href="errata44.html">4.4</a>,
1.26 deraadt 49: <a href="errata45.html">4.5</a>,
1.27 deraadt 50: <a href="errata46.html">4.6</a>,
1.29 deraadt 51: <a href="errata47.html">4.7</a>,
1.31 miod 52: <a href="errata48.html">4.8</a>,
1.32 nick 53: <a href="errata49.html">4.9</a>,
1.33 sthen 54: <a href="errata50.html">5.0</a>,
1.34 deraadt 55: <a href="errata51.html">5.1</a>,
1.35 deraadt 56: <a href="errata52.html">5.2</a>,
1.36 deraadt 57: <a href="errata53.html">5.3</a>,
1.39 deraadt 58: <br>
1.37 deraadt 59: <a href="errata54.html">5.4</a>,
1.42 jsg 60: <a href="errata55.html">5.5</a>,
1.46 deraadt 61: <a href="errata56.html">5.6</a>,
1.49 deraadt 62: <a href="errata57.html">5.7</a>,
1.50 deraadt 63: <a href="errata58.html">5.8</a>,
1.53 deraadt 64: <a href="errata59.html">5.9</a>,
1.56 tj 65: <a href="errata60.html">6.0</a>,
1.59 deraadt 66: <a href="errata61.html">6.1</a>,
1.60 deraadt 67: <a href="errata62.html">6.2</a>,
1.61 deraadt 68: <a href="errata63.html">6.3</a>,
1.62 deraadt 69: <a href="errata64.html">6.4</a>,
70: <a href="errata65.html">6.5</a>.
1.1 deraadt 71: <hr>
72:
1.40 deraadt 73: <p>
1.56 tj 74: Patches for the OpenBSD base system are distributed as unified diffs.
75: Each patch contains usage instructions.
76: All the following patches are also available in one
77: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3.tar.gz">tar.gz file</a>
78: for convenience.
1.1 deraadt 79:
1.40 deraadt 80: <p>
1.56 tj 81: Patches for supported releases are also incorporated into the
1.57 tj 82: <a href="stable.html">-stable branch</a>.
1.40 deraadt 83:
1.1 deraadt 84: <hr>
85:
86: <ul>
87:
1.58 tb 88: <li id="p013_pf">
1.63 ! bentley 89: <strong>013: RELIABILITY FIX: April 11, 2009</strong>
1.41 deraadt 90: <i>All architectures</i><br>
1.23 sthen 91: When pf attempts to perform translation on a specially crafted IP datagram,
92: a null pointer dereference will occur, resulting in a kernel panic.
93: In certain configurations this may be triggered by a remote attacker.
1.24 sthen 94: <br>
1.23 sthen 95: Restricting translation rules to protocols that are specific to the IP version
96: in use, is an effective workaround until the patch can be installed. As an
97: example, for IPv4 nat/binat/rdr rules you can use:
98: <pre>
99: nat/rdr ... inet proto { tcp udp icmp } ...
100: </pre>
101: Or for IPv6 nat/binat/rdr rules you can use:
102: <pre>
103: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
104: </pre>
1.55 tb 105: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch">
1.40 deraadt 106: A source code patch exists which remedies this problem.</a>
1.23 sthen 107: <p>
108:
1.58 tb 109: <li id="p012_openssl">
1.63 ! bentley 110: <strong>012: RELIABILITY FIX: April 8, 2009</strong>
1.41 deraadt 111: <i>All architectures</i><br>
1.20 djm 112: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.25 tobias 113: accesses through the use of certain invalid strings
1.20 djm 114: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
115: or under certain error conditions triggerable by invalid ASN.1 structures
116: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
117: These vulnerabilities could be exploited to achieve a
118: denial-of-service. A more detailed description of these problems is available
119: in the
120: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
121: Checking During CMS verification" relates to code not enabled in OpenBSD.
122: <br>
1.55 tb 123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch">
1.40 deraadt 124: A source code patch exists which remedies this problem.</a>
1.20 djm 125: <p>
126:
1.58 tb 127: <li id="p011_sudo">
1.63 ! bentley 128: <strong>011: SECURITY FIX: February 22, 2009</strong>
1.41 deraadt 129: <i>All architectures</i><br>
1.19 millert 130: sudo(8) may allow a user listed in the sudoers file to run a command
131: as a different user than their access rule specifies when a Unix
132: group is used in the RunAs portion of the rule. The bug only manifests
133: when the user being granted privileges is also a member of the group
134: in the RunAs portion of the rule.
135: <br>
1.55 tb 136: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/011_sudo.patch">
1.40 deraadt 137: A source code patch exists which remedies this problem.</a>
1.19 millert 138: <p>
139:
1.58 tb 140: <li id="p010_bgpd">
1.63 ! bentley 141: <strong>010: RELIABILITY FIX: February 18, 2009</strong>
1.41 deraadt 142: <i>All architectures</i><br>
1.18 claudio 143: bgpd(8) did not correctly prepend its own AS to very long AS paths, causing
144: the process to terminate because of the resulting corrupt path.
145: <br>
1.55 tb 146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/010_bgpd.patch">
1.40 deraadt 147: A source code patch exists which remedies this problem.</a>
1.18 claudio 148: <p>
149:
1.58 tb 150: <li id="p009_bgpd">
1.63 ! bentley 151: <strong>009: RELIABILITY FIX: January 30, 2009</strong>
1.41 deraadt 152: <i>All architectures</i><br>
1.16 claudio 153: Upon reception of an invalid update with 4-byte AS attributes, bgpd -
154: adhering to the RFCs - closed the session to the neighbor.
155: This error in the specification allowed 3rd parties to close remote BGP
156: sessions.
157: In the worst case Internet connectivity could be lost.
158: <br>
1.55 tb 159: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/009_bgpd.patch">
1.40 deraadt 160: A source code patch exists which remedies this problem.</a>
1.16 claudio 161: <p>
162:
1.58 tb 163: <li id="p008_bind">
1.63 ! bentley 164: <strong>008: SECURITY FIX: January 14, 2009</strong>
1.41 deraadt 165: <i>All architectures</i><br>
1.14 djm 166: named(8) did not correctly check the return value of a DSA verification
167: function, potentially allowing bypass of verification of DNSSEC DSA
168: signatures.
169: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0025">CVE-2009-0025</a>.
170: <br>
1.55 tb 171: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/008_bind.patch">
1.40 deraadt 172: A source code patch exists which remedies this problem.</a>
1.14 djm 173: <p>
174:
1.58 tb 175: <li id="p007_openssl">
1.63 ! bentley 176: <strong>007: SECURITY FIX: January 9, 2009</strong>
1.41 deraadt 177: <i>All architectures</i><br>
1.13 djm 178: The OpenSSL libraries did not correctly check the return value from
1.17 miod 179: certain verification functions, allowing validation to be bypassed and
1.13 djm 180: permitting a remote attacker to conduct a "man in the middle attack"
181: against SSL/TLS connections if the server is configured with a DSA or ECDSA
182: certificate.
183: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5077">CVE-2008-5077</a>.
184: <br>
1.55 tb 185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/007_openssl.patch">
1.40 deraadt 186: A source code patch exists which remedies this problem.</a>
1.13 djm 187: <p>
188:
1.58 tb 189: <li id="p006_ndp">
1.63 ! bentley 190: <strong>006: SECURITY FIX: October 2, 2008</strong>
1.41 deraadt 191: <i>All architectures</i><br>
1.11 brad 192: The Neighbor Discovery Protocol (ndp) did not correctly verify neighbor
193: solicitation requests maybe allowing a nearby attacker to intercept traffic.
194: The attacker must have IPv6 connectivity to the same router as their target for
195: this vulnerability to be exploited.
1.12 brad 196: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2476">CVE-2008-2476</a>.
1.11 brad 197: <br>
1.55 tb 198: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/006_ndp.patch">
1.40 deraadt 199: A source code patch exists which remedies this problem.</a>
1.11 brad 200: <p>
201:
1.58 tb 202: <li id="p005_pcb">
1.63 ! bentley 203: <strong>005: RELIABILITY FIX: July 29, 2008</strong>
1.41 deraadt 204: <i>All architectures</i><br>
1.37 deraadt 205: Some kinds of IPv6 usage would leak kernel memory (in particular, this path
206: was exercised by the named(8) patch for port randomization). Since INET6 is
1.7 jdixon 207: enabled by default, this condition affects all systems.
208: <br>
1.55 tb 209: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/005_pcb.patch">
1.40 deraadt 210: A source code patch exists which remedies this problem.</a>
1.7 jdixon 211: <p>
212:
1.58 tb 213: <li id="p004_bind">
1.63 ! bentley 214: <strong>004: SECURITY FIX: July 23, 2008</strong>
1.41 deraadt 215: <i>All architectures</i><br>
1.63 ! bentley 216: <b>2nd revision, July 23, 2008</b><br>
1.5 brad 217: A vulnerability has been found with BIND. An attacker could use this vulnerability
218: to poison the cache of a recursive resolving name server.
219: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</a>.
220: <br>
1.55 tb 221: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/004_bind.patch">
1.40 deraadt 222: A source code patch exists which remedies this problem.</a>
1.5 brad 223: <p>
224:
1.58 tb 225: <li id="p003_xorg">
1.63 ! bentley 226: <strong>003: SECURITY FIX: July 15, 2008</strong>
1.41 deraadt 227: <i>All architectures</i><br>
1.4 brad 228: Multiple vulnerabilities have been discovered in X.Org.<br>
229: RENDER Extension heap buffer overflow,
230: RENDER Extension crash,
231: RENDER Extension memory corruption,
232: MIT-SHM arbitrary memory read,
233: RECORD and Security extensions memory corruption.
1.5 brad 234: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</a>,
235: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</a>,
236: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</a>,
237: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</a>,
238: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</a>.
1.4 brad 239: <br>
1.55 tb 240: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/003_xorg.patch">
1.40 deraadt 241: A source code patch exists which remedies this problem.</a>
1.4 brad 242: <p>
243:
1.58 tb 244: <li id="p002_openssh2">
1.63 ! bentley 245: <strong>002: SECURITY FIX: April 3, 2008</strong>
1.41 deraadt 246: <i>All architectures</i><br>
1.3 brad 247: Avoid possible hijacking of X11-forwarded connections with sshd(8)
248: by refusing to listen on a port unless all address families bind
249: successfully.<br>
1.55 tb 250: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/002_openssh2.patch">
1.40 deraadt 251: A source code patch exists which remedies this problem.</a>
1.3 brad 252: <p>
253:
1.58 tb 254: <li id="p001_openssh">
1.63 ! bentley 255: <strong>001: SECURITY FIX: March 30, 2008</strong>
1.41 deraadt 256: <i>All architectures</i><br>
1.2 brad 257: sshd(8) would execute ~/.ssh/rc even when a sshd_config(5) <em>ForceCommand</em>
258: directive was in effect, allowing users with write access to this file to
259: execute arbitrary commands. This behaviour was documented, but was an unsafe
260: default and an extra hassle for administrators.<br>
1.55 tb 261: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/001_openssh.patch">
1.40 deraadt 262: A source code patch exists which remedies this problem.</a>
1.2 brad 263: <p>
1.1 deraadt 264:
265: </ul>
266:
1.45 tedu 267: <hr>