Annotation of www/errata45.html, Revision 1.68
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1.50 tj 5: <title>OpenBSD 4.5 Errata</title>
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1.1 djm 10:
1.39 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 djm 16:
1.62 bentley 17: <h2 id=OpenBSD>
1.49 deraadt 18: <a href="index.html">
1.62 bentley 19: <i>Open</i><b>BSD</b></a>
20: 4.5 Errata
1.50 tj 21: </h2>
1.49 deraadt 22: <hr>
1.1 djm 23:
24: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
25: <br>
26: For errata on a certain release, click below:<br>
1.65 schwarze 27: <a href="errata20.html">2.0</a>,
1.1 djm 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>,
1.65 schwarze 43: <br>
1.1 djm 44: <a href="errata36.html">3.6</a>,
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>,
50: <a href="errata42.html">4.2</a>,
1.3 deraadt 51: <a href="errata43.html">4.3</a>,
1.10 deraadt 52: <a href="errata44.html">4.4</a>,
1.16 deraadt 53: <a href="errata46.html">4.6</a>,
1.26 deraadt 54: <a href="errata47.html">4.7</a>,
1.27 miod 55: <a href="errata48.html">4.8</a>,
1.28 nick 56: <a href="errata49.html">4.9</a>,
1.29 sthen 57: <a href="errata50.html">5.0</a>,
1.30 deraadt 58: <a href="errata51.html">5.1</a>,
1.31 deraadt 59: <a href="errata52.html">5.2</a>,
1.65 schwarze 60: <br>
1.32 deraadt 61: <a href="errata53.html">5.3</a>,
1.33 deraadt 62: <a href="errata54.html">5.4</a>,
1.38 jsg 63: <a href="errata55.html">5.5</a>,
1.42 deraadt 64: <a href="errata56.html">5.6</a>,
1.45 deraadt 65: <a href="errata57.html">5.7</a>,
1.46 deraadt 66: <a href="errata58.html">5.8</a>,
1.51 deraadt 67: <a href="errata59.html">5.9</a>,
1.54 tj 68: <a href="errata60.html">6.0</a>,
1.58 deraadt 69: <a href="errata61.html">6.1</a>,
1.59 deraadt 70: <a href="errata62.html">6.2</a>,
1.60 deraadt 71: <a href="errata63.html">6.3</a>,
1.61 deraadt 72: <a href="errata64.html">6.4</a>,
1.64 deraadt 73: <a href="errata65.html">6.5</a>,
1.66 deraadt 74: <a href="errata66.html">6.6</a>,
1.67 deraadt 75: <a href="errata67.html">6.7</a>,
76: <a href="errata68.html">6.8</a>.
1.1 djm 77: <hr>
78:
1.36 deraadt 79: <p>
1.54 tj 80: Patches for the OpenBSD base system are distributed as unified diffs.
81: Each patch contains usage instructions.
82: All the following patches are also available in one
83: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
84: for convenience.
1.1 djm 85:
1.36 deraadt 86: <p>
1.54 tj 87: Patches for supported releases are also incorporated into the
1.55 tj 88: <a href="stable.html">-stable branch</a>.
1.36 deraadt 89:
1.1 djm 90: <hr>
91:
92: <ul>
1.22 jasper 93:
1.63 deraadt 94: <li id="p001_openssl">
95: <strong>001: RELIABILITY FIX: April 8, 2009</strong>
1.37 deraadt 96: <i>All architectures</i><br>
1.63 deraadt 97: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
98: accesses through the use of certain invalid strings
99: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
100: or under certain error conditions triggerable by invalid ASN.1 structures
101: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
102: These vulnerabilities could be exploited to achieve a
103: denial-of-service. A more detailed description of these problems is available
104: in the
105: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
106: Checking During CMS verification" relates to code not enabled in OpenBSD.
1.19 dlg 107: <br>
1.63 deraadt 108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 109: A source code patch exists which remedies this problem.</a>
1.19 dlg 110: <p>
111:
1.63 deraadt 112: <li id="p002_pf">
113: <strong>002: RELIABILITY FIX: April 11, 2009</strong>
1.37 deraadt 114: <i>All architectures</i><br>
1.63 deraadt 115: When pf attempts to perform translation on a specially crafted IP datagram,
116: a null pointer dereference will occur, resulting in a kernel panic.
117: In certain configurations this may be triggered by a remote attacker.
1.18 jasper 118: <br>
1.63 deraadt 119: Restricting translation rules to protocols that are specific to the IP version
120: in use, is an effective workaround until the patch can be installed. As an
121: example, for IPv4 nat/binat/rdr rules you can use:
122: <pre>
123: nat/rdr ... inet proto { tcp udp icmp } ...
124: </pre>
125: Or for IPv6 nat/binat/rdr rules you can use:
126: <pre>
127: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
128: </pre>
129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 130: A source code patch exists which remedies this problem.</a>
1.18 jasper 131: <p>
132:
1.63 deraadt 133: <li id="p003_bus_dma">
134: <strong>003: RELIABILITY FIX: April 24, 2009</strong>
135: <i>i386 only</i><br>
136: When DMA'able memory is mapped by device drivers, the
137: mapping flags and protection are partially uninitialized.
138: Depending on the calling context, this may cause devices to misbehave, like
139: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
140: to stutter, but other anomalies might be observed for other
141: device types.
1.17 jasper 142: <br>
1.63 deraadt 143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 144: A source code patch exists which remedies this problem.</a>
1.17 jasper 145: <p>
146:
1.63 deraadt 147: <li id="p004_aucat">
148: <strong>004: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 149: <i>All architectures</i><br>
1.63 deraadt 150: In server mode when in full-duplex mode (the default)
151: <a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a>
152: will send each synchronization message twice, causing client applications
1.68 ! jsg 153: to think that buffer underruns are occurring. Depending on the
1.63 deraadt 154: application, this may cause the sound to stutter.
1.17 jasper 155: <br>
1.63 deraadt 156: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 157: A source code patch exists which remedies this problem.</a>
1.17 jasper 158: <p>
159:
1.63 deraadt 160: <li id="p005_audio">
161: <strong>005: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 162: <i>All architectures</i><br>
1.63 deraadt 163: On very high system load, an audio interrupt may occur while the
164: audio process is filling audio ring buffers. This triggers bogus
165: (and useless) correction code in the
166: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
167: driver causing the audio application to go out of sync, and in turn causing
168: continuous stuttering until the application is restarted.
1.15 sthen 169: <br>
1.63 deraadt 170: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 171: A source code patch exists which remedies this problem.</a>
1.15 sthen 172: <p>
173:
1.63 deraadt 174: <li id="p006_perl">
175: <strong>006: RELIABILITY FIX: June 24, 2009</strong>
1.37 deraadt 176: <i>All architectures</i><br>
1.63 deraadt 177: An off-by-one error in the inflate function in Zlib.xs in the
178: Compress::Raw::Zlib perl module before 2.017 (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1391">CVE-2009-1391</a>),
179: as used in AMaViS, SpamAssassin, and possibly other products,
180: allows context-dependent attackers to cause a denial of service
181: (hang or crash) via a crafted zlib compressed stream that
182: triggers a heap-based buffer overflow.
1.14 sthen 183: <br>
1.63 deraadt 184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 185: A source code patch exists which remedies this problem.</a>
1.14 sthen 186: <p>
187:
1.63 deraadt 188: <li id="p007_bind">
189: <strong>007: RELIABILITY FIX: July 29, 2009</strong>
1.37 deraadt 190: <i>All architectures</i><br>
1.63 deraadt 191: A vulnerability has been found in BIND's named server
192: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
193: An attacker could crash a server with a specially crafted dynamic update message to a
194: zone for which the server is master.
1.13 deraadt 195: <br>
1.63 deraadt 196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.36 deraadt 197: A source code patch exists which remedies this problem.</a>
1.13 deraadt 198: <p>
199:
1.56 tb 200: <li id="p008_xmm">
1.62 bentley 201: <strong>008: RELIABILITY FIX: October 05, 2009</strong>
1.37 deraadt 202: <i>i386 only</i><br>
1.12 jsing 203: XMM exceptions are not correctly handled resulting in a kernel panic.
204: <br>
1.53 tb 205: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 206: A source code patch exists which remedies this problem.</a>
1.12 jsing 207: <p>
208:
1.63 deraadt 209: <li id="p009_getsockopt">
210: <strong>009: RELIABILITY FIX: October 28, 2009</strong>
1.37 deraadt 211: <i>All architectures</i><br>
1.63 deraadt 212: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
213: IP_IPCOMP_LEVEL will crash the system.
1.9 jasper 214: <br>
1.63 deraadt 215: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 216: A source code patch exists which remedies this problem.</a>
1.9 jasper 217: <p>
218:
1.63 deraadt 219: <li id="p010_openssl">
220: <strong>010: SECURITY FIX: November 26, 2009</strong>
1.37 deraadt 221: <i>All architectures</i><br>
1.63 deraadt 222: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
223: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
224: OpenSSL permitted this protocol feature by default and had no way to
225: disable it.
1.8 fkr 226: <br>
1.63 deraadt 227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 228: A source code patch exists which remedies this problem.</a>
1.8 fkr 229: <p>
230:
1.63 deraadt 231: <li id="p011_ptrace">
232: <strong>011: RELIABILITY FIX: January 29, 2010</strong>
233: <i>All architectures</i><br>
234: By using ptrace(2) on an ancestor process, a loop in the process tree
235: could be created, violating assumptions in other parts of the kernel
236: and resulting in infinite loops.
237: <br>
238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
239: A source code patch exists which remedies this problem.</a>
240: <p>
1.1 djm 241:
1.63 deraadt 242: <li id="p012_openssl">
243: <strong>012: SECURITY FIX: March 12, 2010</strong>
1.37 deraadt 244: <i>All architectures</i><br>
1.63 deraadt 245: OpenSSL is susceptible to a buffer overflow due to a failure
246: to check for NULL returns from bn_wexpand function calls.
1.7 ratchov 247: <br>
1.63 deraadt 248: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 249: A source code patch exists which remedies this problem.</a>
1.7 ratchov 250: <p>
251:
1.63 deraadt 252: <li id="p013_ftpd">
253: <strong>013: RELIABILITY FIX: March 12, 2010</strong>
1.37 deraadt 254: <i>All architectures</i><br>
1.63 deraadt 255: Due to a null pointer dereference, it would be possible to crash ftpd when
256: handling glob(3)'ing requests. This is non-exploitable.
1.7 ratchov 257: <br>
1.63 deraadt 258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 259: A source code patch exists which remedies this problem.</a>
1.7 ratchov 260: <p>
261:
1.63 deraadt 262: <li id="p014_kerberos">
263: <strong>014: RELIABILITY FIX: March 31, 2010</strong>
264: <i>All architectures</i><br>
265: When decrypting packets, the internal decryption functions were not
266: paranoid enough in checking for underruns, which could potentially
267: lead to crashes.
1.7 ratchov 268: <br>
1.63 deraadt 269: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 270: A source code patch exists which remedies this problem.</a>
1.7 ratchov 271: <p>
272:
1.63 deraadt 273: <li id="p015_mpi">
274: <strong>015: RELIABILITY FIX: April 4, 2010</strong>
1.37 deraadt 275: <i>All architectures</i><br>
1.63 deraadt 276: When updating sensors showing the state of RAID volumes
277: <a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a>
278: allocates temporary memory and then returns it to the kernel as
279: device memory.
280: This causes kernel memory usage to be misrepresented, eventually
281: leading to a denial of service when a resource limit is apparently
282: reached.
1.5 sthen 283: <br>
1.63 deraadt 284: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 285: A source code patch exists which remedies this problem.</a>
1.4 sthen 286: <p>
287:
1.63 deraadt 288: <li id="p016_openssl">
289: <strong>016: SECURITY FIX: April 14, 2010</strong>
1.37 deraadt 290: <i>All architectures</i><br>
1.63 deraadt 291: In TLS connections, certain incorrectly formatted records can cause
292: an OpenSSL client or server to crash due to a read attempt at NULL.
1.1 djm 293: <br>
1.63 deraadt 294: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 295: A source code patch exists which remedies this problem.</a>
1.1 djm 296: <p>
297:
298: </ul>
299:
1.41 tedu 300: <hr>