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1.50 tj 5: <title>OpenBSD 4.5 Errata</title>
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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>,
1.69 deraadt 76: <a href="errata68.html">6.8</a>,
1.70 tj 77: <br>
1.71 ! deraadt 78: <a href="errata69.html">6.9</a>,
! 79: <a href="errata70.html">7.0</a>.
1.1 djm 80: <hr>
81:
1.36 deraadt 82: <p>
1.54 tj 83: Patches for the OpenBSD base system are distributed as unified diffs.
84: Each patch contains usage instructions.
85: All the following patches are also available in one
86: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
87: for convenience.
1.1 djm 88:
1.36 deraadt 89: <p>
1.54 tj 90: Patches for supported releases are also incorporated into the
1.55 tj 91: <a href="stable.html">-stable branch</a>.
1.36 deraadt 92:
1.1 djm 93: <hr>
94:
95: <ul>
1.22 jasper 96:
1.63 deraadt 97: <li id="p001_openssl">
98: <strong>001: RELIABILITY FIX: April 8, 2009</strong>
1.37 deraadt 99: <i>All architectures</i><br>
1.63 deraadt 100: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
101: accesses through the use of certain invalid strings
102: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
103: or under certain error conditions triggerable by invalid ASN.1 structures
104: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
105: These vulnerabilities could be exploited to achieve a
106: denial-of-service. A more detailed description of these problems is available
107: in the
108: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
109: Checking During CMS verification" relates to code not enabled in OpenBSD.
1.19 dlg 110: <br>
1.63 deraadt 111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 112: A source code patch exists which remedies this problem.</a>
1.19 dlg 113: <p>
114:
1.63 deraadt 115: <li id="p002_pf">
116: <strong>002: RELIABILITY FIX: April 11, 2009</strong>
1.37 deraadt 117: <i>All architectures</i><br>
1.63 deraadt 118: When pf attempts to perform translation on a specially crafted IP datagram,
119: a null pointer dereference will occur, resulting in a kernel panic.
120: In certain configurations this may be triggered by a remote attacker.
1.18 jasper 121: <br>
1.63 deraadt 122: Restricting translation rules to protocols that are specific to the IP version
123: in use, is an effective workaround until the patch can be installed. As an
124: example, for IPv4 nat/binat/rdr rules you can use:
125: <pre>
126: nat/rdr ... inet proto { tcp udp icmp } ...
127: </pre>
128: Or for IPv6 nat/binat/rdr rules you can use:
129: <pre>
130: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
131: </pre>
132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 133: A source code patch exists which remedies this problem.</a>
1.18 jasper 134: <p>
135:
1.63 deraadt 136: <li id="p003_bus_dma">
137: <strong>003: RELIABILITY FIX: April 24, 2009</strong>
138: <i>i386 only</i><br>
139: When DMA'able memory is mapped by device drivers, the
140: mapping flags and protection are partially uninitialized.
141: Depending on the calling context, this may cause devices to misbehave, like
142: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
143: to stutter, but other anomalies might be observed for other
144: device types.
1.17 jasper 145: <br>
1.63 deraadt 146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 147: A source code patch exists which remedies this problem.</a>
1.17 jasper 148: <p>
149:
1.63 deraadt 150: <li id="p004_aucat">
151: <strong>004: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 152: <i>All architectures</i><br>
1.63 deraadt 153: In server mode when in full-duplex mode (the default)
154: <a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a>
155: will send each synchronization message twice, causing client applications
1.68 jsg 156: to think that buffer underruns are occurring. Depending on the
1.63 deraadt 157: application, this may cause the sound to stutter.
1.17 jasper 158: <br>
1.63 deraadt 159: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 160: A source code patch exists which remedies this problem.</a>
1.17 jasper 161: <p>
162:
1.63 deraadt 163: <li id="p005_audio">
164: <strong>005: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 165: <i>All architectures</i><br>
1.63 deraadt 166: On very high system load, an audio interrupt may occur while the
167: audio process is filling audio ring buffers. This triggers bogus
168: (and useless) correction code in the
169: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
170: driver causing the audio application to go out of sync, and in turn causing
171: continuous stuttering until the application is restarted.
1.15 sthen 172: <br>
1.63 deraadt 173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 174: A source code patch exists which remedies this problem.</a>
1.15 sthen 175: <p>
176:
1.63 deraadt 177: <li id="p006_perl">
178: <strong>006: RELIABILITY FIX: June 24, 2009</strong>
1.37 deraadt 179: <i>All architectures</i><br>
1.63 deraadt 180: An off-by-one error in the inflate function in Zlib.xs in the
181: 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>),
182: as used in AMaViS, SpamAssassin, and possibly other products,
183: allows context-dependent attackers to cause a denial of service
184: (hang or crash) via a crafted zlib compressed stream that
185: triggers a heap-based buffer overflow.
1.14 sthen 186: <br>
1.63 deraadt 187: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 188: A source code patch exists which remedies this problem.</a>
1.14 sthen 189: <p>
190:
1.63 deraadt 191: <li id="p007_bind">
192: <strong>007: RELIABILITY FIX: July 29, 2009</strong>
1.37 deraadt 193: <i>All architectures</i><br>
1.63 deraadt 194: A vulnerability has been found in BIND's named server
195: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
196: An attacker could crash a server with a specially crafted dynamic update message to a
197: zone for which the server is master.
1.13 deraadt 198: <br>
1.63 deraadt 199: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.36 deraadt 200: A source code patch exists which remedies this problem.</a>
1.13 deraadt 201: <p>
202:
1.56 tb 203: <li id="p008_xmm">
1.62 bentley 204: <strong>008: RELIABILITY FIX: October 05, 2009</strong>
1.37 deraadt 205: <i>i386 only</i><br>
1.12 jsing 206: XMM exceptions are not correctly handled resulting in a kernel panic.
207: <br>
1.53 tb 208: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 209: A source code patch exists which remedies this problem.</a>
1.12 jsing 210: <p>
211:
1.63 deraadt 212: <li id="p009_getsockopt">
213: <strong>009: RELIABILITY FIX: October 28, 2009</strong>
1.37 deraadt 214: <i>All architectures</i><br>
1.63 deraadt 215: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
216: IP_IPCOMP_LEVEL will crash the system.
1.9 jasper 217: <br>
1.63 deraadt 218: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 219: A source code patch exists which remedies this problem.</a>
1.9 jasper 220: <p>
221:
1.63 deraadt 222: <li id="p010_openssl">
223: <strong>010: SECURITY FIX: November 26, 2009</strong>
1.37 deraadt 224: <i>All architectures</i><br>
1.63 deraadt 225: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
226: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
227: OpenSSL permitted this protocol feature by default and had no way to
228: disable it.
1.8 fkr 229: <br>
1.63 deraadt 230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 231: A source code patch exists which remedies this problem.</a>
1.8 fkr 232: <p>
233:
1.63 deraadt 234: <li id="p011_ptrace">
235: <strong>011: RELIABILITY FIX: January 29, 2010</strong>
236: <i>All architectures</i><br>
237: By using ptrace(2) on an ancestor process, a loop in the process tree
238: could be created, violating assumptions in other parts of the kernel
239: and resulting in infinite loops.
240: <br>
241: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
242: A source code patch exists which remedies this problem.</a>
243: <p>
1.1 djm 244:
1.63 deraadt 245: <li id="p012_openssl">
246: <strong>012: SECURITY FIX: March 12, 2010</strong>
1.37 deraadt 247: <i>All architectures</i><br>
1.63 deraadt 248: OpenSSL is susceptible to a buffer overflow due to a failure
249: to check for NULL returns from bn_wexpand function calls.
1.7 ratchov 250: <br>
1.63 deraadt 251: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 252: A source code patch exists which remedies this problem.</a>
1.7 ratchov 253: <p>
254:
1.63 deraadt 255: <li id="p013_ftpd">
256: <strong>013: RELIABILITY FIX: March 12, 2010</strong>
1.37 deraadt 257: <i>All architectures</i><br>
1.63 deraadt 258: Due to a null pointer dereference, it would be possible to crash ftpd when
259: handling glob(3)'ing requests. This is non-exploitable.
1.7 ratchov 260: <br>
1.63 deraadt 261: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 262: A source code patch exists which remedies this problem.</a>
1.7 ratchov 263: <p>
264:
1.63 deraadt 265: <li id="p014_kerberos">
266: <strong>014: RELIABILITY FIX: March 31, 2010</strong>
267: <i>All architectures</i><br>
268: When decrypting packets, the internal decryption functions were not
269: paranoid enough in checking for underruns, which could potentially
270: lead to crashes.
1.7 ratchov 271: <br>
1.63 deraadt 272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 273: A source code patch exists which remedies this problem.</a>
1.7 ratchov 274: <p>
275:
1.63 deraadt 276: <li id="p015_mpi">
277: <strong>015: RELIABILITY FIX: April 4, 2010</strong>
1.37 deraadt 278: <i>All architectures</i><br>
1.63 deraadt 279: When updating sensors showing the state of RAID volumes
280: <a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a>
281: allocates temporary memory and then returns it to the kernel as
282: device memory.
283: This causes kernel memory usage to be misrepresented, eventually
284: leading to a denial of service when a resource limit is apparently
285: reached.
1.5 sthen 286: <br>
1.63 deraadt 287: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 288: A source code patch exists which remedies this problem.</a>
1.4 sthen 289: <p>
290:
1.63 deraadt 291: <li id="p016_openssl">
292: <strong>016: SECURITY FIX: April 14, 2010</strong>
1.37 deraadt 293: <i>All architectures</i><br>
1.63 deraadt 294: In TLS connections, certain incorrectly formatted records can cause
295: an OpenSSL client or server to crash due to a read attempt at NULL.
1.1 djm 296: <br>
1.63 deraadt 297: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 298: A source code patch exists which remedies this problem.</a>
1.1 djm 299: <p>
300:
301: </ul>
302:
1.41 tedu 303: <hr>