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1.49 deraadt 19: <h2>
20: <a href="index.html">
21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.50 tj 22: <font color="#e00000">4.5 Errata</font>
23: </h2>
1.49 deraadt 24: <hr>
1.1 djm 25:
26: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
27: <br>
28: For errata on a certain release, click below:<br>
29: <a href="errata21.html">2.1</a>,
30: <a href="errata22.html">2.2</a>,
31: <a href="errata23.html">2.3</a>,
32: <a href="errata24.html">2.4</a>,
33: <a href="errata25.html">2.5</a>,
34: <a href="errata26.html">2.6</a>,
35: <a href="errata27.html">2.7</a>,
36: <a href="errata28.html">2.8</a>,
37: <a href="errata29.html">2.9</a>,
38: <a href="errata30.html">3.0</a>,
39: <a href="errata31.html">3.1</a>,
40: <a href="errata32.html">3.2</a>,
41: <a href="errata33.html">3.3</a>,
42: <a href="errata34.html">3.4</a>,
43: <a href="errata35.html">3.5</a>,
44: <a href="errata36.html">3.6</a>,
45: <br>
46: <a href="errata37.html">3.7</a>,
47: <a href="errata38.html">3.8</a>,
48: <a href="errata39.html">3.9</a>,
49: <a href="errata40.html">4.0</a>,
50: <a href="errata41.html">4.1</a>,
51: <a href="errata42.html">4.2</a>,
1.3 deraadt 52: <a href="errata43.html">4.3</a>,
1.10 deraadt 53: <a href="errata44.html">4.4</a>,
1.16 deraadt 54: <a href="errata46.html">4.6</a>,
1.26 deraadt 55: <a href="errata47.html">4.7</a>,
1.27 miod 56: <a href="errata48.html">4.8</a>,
1.28 nick 57: <a href="errata49.html">4.9</a>,
1.29 sthen 58: <a href="errata50.html">5.0</a>,
1.30 deraadt 59: <a href="errata51.html">5.1</a>,
1.31 deraadt 60: <a href="errata52.html">5.2</a>,
1.32 deraadt 61: <a href="errata53.html">5.3</a>,
1.35 deraadt 62: <br>
1.33 deraadt 63: <a href="errata54.html">5.4</a>,
1.38 jsg 64: <a href="errata55.html">5.5</a>,
1.42 deraadt 65: <a href="errata56.html">5.6</a>,
1.45 deraadt 66: <a href="errata57.html">5.7</a>,
1.46 deraadt 67: <a href="errata58.html">5.8</a>,
1.51 deraadt 68: <a href="errata59.html">5.9</a>,
1.54 tj 69: <a href="errata60.html">6.0</a>,
1.58 deraadt 70: <a href="errata61.html">6.1</a>,
1.59 deraadt 71: <a href="errata62.html">6.2</a>,
1.60 ! deraadt 72: <a href="errata63.html">6.3</a>,
! 73: <a href="errata64.html">6.4</a>.
1.1 djm 74: <hr>
75:
1.36 deraadt 76: <p>
1.54 tj 77: Patches for the OpenBSD base system are distributed as unified diffs.
78: Each patch contains usage instructions.
79: All the following patches are also available in one
80: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
81: for convenience.
1.1 djm 82:
1.36 deraadt 83: <p>
1.54 tj 84: Patches for supported releases are also incorporated into the
1.55 tj 85: <a href="stable.html">-stable branch</a>.
1.36 deraadt 86:
1.1 djm 87: <hr>
88:
89: <ul>
1.56 tb 90: <li id="p016_openssl">
1.37 deraadt 91: <font color="#009000"><strong>016: SECURITY FIX: April 14, 2010</strong></font>
92: <i>All architectures</i><br>
1.23 jasper 93: In TLS connections, certain incorrectly formatted records can cause
94: an OpenSSL client or server to crash due to a read attempt at NULL.
95: <br>
1.53 tb 96: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 97: A source code patch exists which remedies this problem.</a>
1.23 jasper 98: <p>
1.22 jasper 99:
1.56 tb 100: <li id="p015_mpi">
1.37 deraadt 101: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font>
102: <i>All architectures</i><br>
1.19 dlg 103: When updating sensors showing the state of RAID volumes
1.57 tb 104: <a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a>
1.19 dlg 105: allocates temporary memory and then returns it to the kernel as
106: device memory.
107: This causes kernel memory usage to be misrepresented, eventually
108: leading to a denial of service when a resource limit is apparently
109: reached.
110: <br>
1.53 tb 111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 112: A source code patch exists which remedies this problem.</a>
1.19 dlg 113: <p>
114:
1.56 tb 115: <li id="p014_kerberos">
1.37 deraadt 116: <font color="#009000"><strong>014: RELIABILITY FIX: March 31, 2010</strong></font>
117: <i>All architectures</i><br>
1.18 jasper 118: When decrypting packets, the internal decryption functions were not
119: paranoid enough in checking for underruns, which could potentially
120: lead to crashes.
121: <br>
1.53 tb 122: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 123: A source code patch exists which remedies this problem.</a>
1.18 jasper 124: <p>
125:
1.56 tb 126: <li id="p013_ftpd">
1.37 deraadt 127: <font color="#009000"><strong>013: RELIABILITY FIX: March 12, 2010</strong></font>
128: <i>All architectures</i><br>
1.17 jasper 129: Due to a null pointer dereference, it would be possible to crash ftpd when
130: handling glob(3)'ing requests. This is non-exploitable.
131: <br>
1.53 tb 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 133: A source code patch exists which remedies this problem.</a>
1.17 jasper 134: <p>
135:
1.56 tb 136: <li id="p012_openssl">
1.37 deraadt 137: <font color="#009000"><strong>012: SECURITY FIX: March 12, 2010</strong></font>
138: <i>All architectures</i><br>
1.17 jasper 139: OpenSSL is susceptible to a buffer overflow due to a failure
140: to check for NULL returns from bn_wexpand function calls.
141: <br>
1.53 tb 142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 143: A source code patch exists which remedies this problem.</a>
1.17 jasper 144: <p>
145:
1.56 tb 146: <li id="p011_ptrace">
1.37 deraadt 147: <font color="#009000"><strong>011: RELIABILITY FIX: January 29, 2010</strong></font>
148: <i>All architectures</i><br>
1.15 sthen 149: By using ptrace(2) on an ancestor process, a loop in the process tree
150: could be created, violating assumptions in other parts of the kernel
151: and resulting in infinite loops.
152: <br>
1.53 tb 153: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
1.36 deraadt 154: A source code patch exists which remedies this problem.</a>
1.15 sthen 155: <p>
156:
1.56 tb 157: <li id="p010_openssl">
1.37 deraadt 158: <font color="#009000"><strong>010: SECURITY FIX: November 26, 2009</strong></font>
159: <i>All architectures</i><br>
1.14 sthen 160: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
161: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
162: OpenSSL permitted this protocol feature by default and had no way to
163: disable it.
164: <br>
1.53 tb 165: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 166: A source code patch exists which remedies this problem.</a>
1.14 sthen 167: <p>
168:
1.56 tb 169: <li id="p009_getsockopt">
1.37 deraadt 170: <font color="#009000"><strong>009: RELIABILITY FIX: October 28, 2009</strong></font>
171: <i>All architectures</i><br>
1.13 deraadt 172: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
173: IP_IPCOMP_LEVEL will crash the system.
174: <br>
1.53 tb 175: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 176: A source code patch exists which remedies this problem.</a>
1.13 deraadt 177: <p>
178:
1.56 tb 179: <li id="p008_xmm">
1.37 deraadt 180: <font color="#009000"><strong>008: RELIABILITY FIX: October 05, 2009</strong></font>
181: <i>i386 only</i><br>
1.12 jsing 182: XMM exceptions are not correctly handled resulting in a kernel panic.
183: <br>
1.53 tb 184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 185: A source code patch exists which remedies this problem.</a>
1.12 jsing 186: <p>
187:
1.56 tb 188: <li id="p007_bind">
1.37 deraadt 189: <font color="#009000"><strong>007: RELIABILITY FIX: July 29, 2009</strong></font>
190: <i>All architectures</i><br>
1.9 jasper 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.
195: <br>
1.53 tb 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>
1.9 jasper 198: <p>
199:
1.56 tb 200: <li id="p006_perl">
1.37 deraadt 201: <font color="#009000"><strong>006: RELIABILITY FIX: June 24, 2009</strong></font>
202: <i>All architectures</i><br>
1.8 fkr 203: An off-by-one error in the inflate function in Zlib.xs in the
204: 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>),
205: as used in AMaViS, SpamAssassin, and possibly other products,
206: allows context-dependent attackers to cause a denial of service
207: (hang or crash) via a crafted zlib compressed stream that
208: triggers a heap-based buffer overflow.
209: <br>
1.53 tb 210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 211: A source code patch exists which remedies this problem.</a>
1.8 fkr 212: <p>
213:
1.1 djm 214:
1.56 tb 215: <li id="p005_audio">
1.37 deraadt 216: <font color="#009000"><strong>005: RELIABILITY FIX: April 24, 2009</strong></font>
217: <i>All architectures</i><br>
1.7 ratchov 218: On very high system load, an audio interrupt may occur while the
219: audio process is filling audio ring buffers. This triggers bogus
1.33 deraadt 220: (and useless) correction code in the
1.57 tb 221: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
1.7 ratchov 222: driver causing the audio application to go out of sync, and in turn causing
223: continuous stuttering until the application is restarted.
224: <br>
1.53 tb 225: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 226: A source code patch exists which remedies this problem.</a>
1.7 ratchov 227: <p>
228:
1.56 tb 229: <li id="p004_aucat">
1.37 deraadt 230: <font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font>
231: <i>All architectures</i><br>
1.7 ratchov 232: In server mode when in full-duplex mode (the default)
1.57 tb 233: <a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a>
1.7 ratchov 234: will send each synchronization message twice, causing client applications
235: to think that buffer underruns are occuring. Depending on the
236: application, this may cause the sound to stutter.
237: <br>
1.53 tb 238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 239: A source code patch exists which remedies this problem.</a>
1.7 ratchov 240: <p>
241:
1.56 tb 242: <li id="p003_bus_dma">
1.37 deraadt 243: <font color="#009000"><strong>003: RELIABILITY FIX: April 24, 2009</strong></font>
244: <i>i386 only</i><br>
1.7 ratchov 245: When DMA'able memory is mapped by device drivers, the
246: mapping flags and protection are partially uninitialized.
247: Depending on the calling context, this may cause devices to misbehave, like
1.57 tb 248: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
1.7 ratchov 249: to stutter, but other anomalies might be observed for other
250: device types.
251: <br>
1.53 tb 252: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 253: A source code patch exists which remedies this problem.</a>
1.7 ratchov 254: <p>
255:
1.56 tb 256: <li id="p002_pf">
1.37 deraadt 257: <font color="#009000"><strong>002: RELIABILITY FIX: April 11, 2009</strong></font>
258: <i>All architectures</i><br>
1.4 sthen 259: When pf attempts to perform translation on a specially crafted IP datagram,
260: a null pointer dereference will occur, resulting in a kernel panic.
261: In certain configurations this may be triggered by a remote attacker.
1.5 sthen 262: <br>
1.4 sthen 263: Restricting translation rules to protocols that are specific to the IP version
264: in use, is an effective workaround until the patch can be installed. As an
265: example, for IPv4 nat/binat/rdr rules you can use:
266: <pre>
267: nat/rdr ... inet proto { tcp udp icmp } ...
268: </pre>
269: Or for IPv6 nat/binat/rdr rules you can use:
270: <pre>
271: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
272: </pre>
1.53 tb 273: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 274: A source code patch exists which remedies this problem.</a>
1.4 sthen 275: <p>
276:
1.56 tb 277: <li id="p001_openssl">
1.37 deraadt 278: <font color="#009000"><strong>001: RELIABILITY FIX: April 8, 2009</strong></font>
279: <i>All architectures</i><br>
1.1 djm 280: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.6 tobias 281: accesses through the use of certain invalid strings
1.1 djm 282: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
283: or under certain error conditions triggerable by invalid ASN.1 structures
284: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
285: These vulnerabilities could be exploited to achieve a
286: denial-of-service. A more detailed description of these problems is available
287: in the
288: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
289: Checking During CMS verification" relates to code not enabled in OpenBSD.
290: <br>
1.53 tb 291: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 292: A source code patch exists which remedies this problem.</a>
1.1 djm 293: <p>
294:
295: </ul>
296:
1.41 tedu 297: <hr>
298:
1.1 djm 299: </body>
300: </html>
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