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18: This is the OpenBSD 4.5 release errata & patch list:
19:
20: </font></h2>
21:
22: <hr>
23: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
24: <br>
25: For errata on a certain release, click below:<br>
26: <a href="errata21.html">2.1</a>,
27: <a href="errata22.html">2.2</a>,
28: <a href="errata23.html">2.3</a>,
29: <a href="errata24.html">2.4</a>,
30: <a href="errata25.html">2.5</a>,
31: <a href="errata26.html">2.6</a>,
32: <a href="errata27.html">2.7</a>,
33: <a href="errata28.html">2.8</a>,
34: <a href="errata29.html">2.9</a>,
35: <a href="errata30.html">3.0</a>,
36: <a href="errata31.html">3.1</a>,
37: <a href="errata32.html">3.2</a>,
38: <a href="errata33.html">3.3</a>,
39: <a href="errata34.html">3.4</a>,
40: <a href="errata35.html">3.5</a>,
41: <a href="errata36.html">3.6</a>,
42: <br>
43: <a href="errata37.html">3.7</a>,
44: <a href="errata38.html">3.8</a>,
45: <a href="errata39.html">3.9</a>,
46: <a href="errata40.html">4.0</a>,
47: <a href="errata41.html">4.1</a>,
48: <a href="errata42.html">4.2</a>,
1.3 deraadt 49: <a href="errata43.html">4.3</a>,
1.10 deraadt 50: <a href="errata44.html">4.4</a>,
1.16 deraadt 51: <a href="errata46.html">4.6</a>,
1.26 deraadt 52: <a href="errata47.html">4.7</a>,
1.27 miod 53: <a href="errata48.html">4.8</a>,
1.28 nick 54: <a href="errata49.html">4.9</a>,
1.29 sthen 55: <a href="errata50.html">5.0</a>,
1.30 deraadt 56: <a href="errata51.html">5.1</a>,
1.31 ! deraadt 57: <a href="errata52.html">5.2</a>,
! 58: <a href="errata53.html">5.3</a>.
1.1 djm 59: <br>
60: <hr>
61:
1.25 sthen 62: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">
1.1 djm 63: You can also fetch a tar.gz file containing all the following patches</a>.
64: This file is updated once a day.
65:
66: <p> The patches below are available in CVS via the
67: <code>OPENBSD_4_5</code> <a href="stable.html">patch branch</a>.
68:
69: <p>
70: For more detailed information on how to install patches to OpenBSD, please
71: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
72: <hr>
73:
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93:
94: <ul>
1.23 jasper 95: <li><a name="016_openssl"></a>
96: <font color="#009000"><strong>016: SECURITY FIX: April 14, 2010</strong></font> <i>All architectures</i><br>
97: In TLS connections, certain incorrectly formatted records can cause
98: an OpenSSL client or server to crash due to a read attempt at NULL.
99: <br>
1.25 sthen 100: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.23 jasper 101: A source code patch exists which remedies this problem</a>.<br>
102: <p>
1.22 jasper 103:
1.19 dlg 104: <li><a name="015_mpi"></a>
105: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font> <i>All architectures</i><br>
106: When updating sensors showing the state of RAID volumes
107: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mpi&sektion=4">mpi(4)</a>
108: allocates temporary memory and then returns it to the kernel as
109: device memory.
110: This causes kernel memory usage to be misrepresented, eventually
111: leading to a denial of service when a resource limit is apparently
112: reached.
113: <br>
1.25 sthen 114: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.19 dlg 115: A source code patch exists which remedies this problem</a>.<br>
116: <p>
117:
1.18 jasper 118: <li><a name="014_kerberos"></a>
119: <font color="#009000"><strong>014: RELIABILITY FIX: March 31, 2010</strong></font> <i>All architectures</i><br>
120: When decrypting packets, the internal decryption functions were not
121: paranoid enough in checking for underruns, which could potentially
122: lead to crashes.
123: <br>
1.25 sthen 124: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.18 jasper 125: A source code patch exists which remedies this problem</a>.<br>
126: <p>
127:
1.17 jasper 128: <li><a name="013_ftpd"></a>
129: <font color="#009000"><strong>013: RELIABILITY FIX: March 12, 2010</strong></font> <i>All architectures</i><br>
130: Due to a null pointer dereference, it would be possible to crash ftpd when
131: handling glob(3)'ing requests. This is non-exploitable.
132: <br>
1.25 sthen 133: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.17 jasper 134: A source code patch exists which remedies this problem</a>.<br>
135: <p>
136:
137: <li><a name="012_openssl"></a>
138: <font color="#009000"><strong>012: SECURITY FIX: March 12, 2010</strong></font> <i>All architectures</i><br>
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>
1.25 sthen 142: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.17 jasper 143: A source code patch exists which remedies this problem</a>.<br>
144: <p>
145:
1.15 sthen 146: <li><a name="011_ptrace"></a>
147: <font color="#009000"><strong>011: RELIABILITY FIX: January 29, 2010</strong></font> <i>All architectures</i><br>
148: By using ptrace(2) on an ancestor process, a loop in the process tree
149: could be created, violating assumptions in other parts of the kernel
150: and resulting in infinite loops.
151: <br>
1.25 sthen 152: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
1.15 sthen 153: A source code patch exists which remedies this problem</a>.<br>
154: <p>
155:
1.14 sthen 156: <li><a name="010_openssl"></a>
157: <font color="#009000"><strong>010: SECURITY FIX: November 26, 2009</strong></font> <i>All architectures</i><br>
158: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
159: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
160: OpenSSL permitted this protocol feature by default and had no way to
161: disable it.
162: <br>
1.25 sthen 163: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.14 sthen 164: A source code patch exists which remedies this problem</a>.<br>
165: <p>
166:
1.13 deraadt 167: <li><a name="009_getsockopt"></a>
168: <font color="#009000"><strong>009: RELIABILITY FIX: October 28, 2009</strong></font> <i>All architectures</i><br>
169: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
170: IP_IPCOMP_LEVEL will crash the system.
171: <br>
1.25 sthen 172: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.13 deraadt 173: A source code patch exists which remedies this problem</a>.<br>
174: <p>
175:
1.12 jsing 176: <li><a name="008_xmm"></a>
177: <font color="#009000"><strong>008: RELIABILITY FIX: October 05, 2009</strong></font> <i>i386 only</i><br>
178: XMM exceptions are not correctly handled resulting in a kernel panic.
179: <br>
1.25 sthen 180: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.12 jsing 181: A source code patch exists which remedies this problem</a>.<br>
182: <p>
183:
1.9 jasper 184: <li><a name="007_bind"></a>
185: <font color="#009000"><strong>007: RELIABILITY FIX: July 29, 2009</strong></font> <i>All architectures</i><br>
186: A vulnerability has been found in BIND's named server
187: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
188: An attacker could crash a server with a specially crafted dynamic update message to a
189: zone for which the server is master.
190: <br>
1.25 sthen 191: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.9 jasper 192: A source code patch exists which remedies this problem</a>.<br>
193: <p>
194:
1.8 fkr 195: <li><a name="006_perl"></a>
196: <font color="#009000"><strong>006: RELIABILITY FIX: June 24, 2009</strong></font> <i>All architectures</i><br>
197: An off-by-one error in the inflate function in Zlib.xs in the
198: 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>),
199: as used in AMaViS, SpamAssassin, and possibly other products,
200: allows context-dependent attackers to cause a denial of service
201: (hang or crash) via a crafted zlib compressed stream that
202: triggers a heap-based buffer overflow.
203: <br>
1.25 sthen 204: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.8 fkr 205: A source code patch exists which remedies this problem</a>.<br>
206: <p>
207:
1.1 djm 208:
1.7 ratchov 209: <li><a name="005_audio"></a>
210: <font color="#009000"><strong>005: RELIABILITY FIX: April 24, 2009</strong></font> <i>All architectures</i><br>
211: On very high system load, an audio interrupt may occur while the
212: audio process is filling audio ring buffers. This triggers bogus
213: (and useless) correction code in the
214: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=audio&sektion=4">audio(4)</a>
215: driver causing the audio application to go out of sync, and in turn causing
216: continuous stuttering until the application is restarted.
217: <br>
1.25 sthen 218: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.7 ratchov 219: A source code patch exists which remedies this problem</a>.<br>
220: <p>
221:
222: <li><a name="004_aucat"></a>
223: <font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font> <i>All architectures</i><br>
224: In server mode when in full-duplex mode (the default)
225: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=aucat&sektion=1">aucat(1)</a>
226: will send each synchronization message twice, causing client applications
227: to think that buffer underruns are occuring. Depending on the
228: application, this may cause the sound to stutter.
229: <br>
1.25 sthen 230: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.7 ratchov 231: A source code patch exists which remedies this problem</a>.<br>
232: <p>
233:
234: <li><a name="003_bus_dma"></a>
235: <font color="#009000"><strong>003: RELIABILITY FIX: April 24, 2009</strong></font> <i>i386 only</i><br>
236: When DMA'able memory is mapped by device drivers, the
237: mapping flags and protection are partially uninitialized.
238: Depending on the calling context, this may cause devices to misbehave, like
239: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=audio&sektion=4">audio(4)</a>
240: to stutter, but other anomalies might be observed for other
241: device types.
242: <br>
1.25 sthen 243: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.7 ratchov 244: A source code patch exists which remedies this problem</a>.<br>
245: <p>
246:
1.4 sthen 247: <li><a name="002_pf"></a>
248: <font color="#009000"><strong>002: RELIABILITY FIX: April 11, 2009</strong></font> <i>All architectures</i><br>
249: When pf attempts to perform translation on a specially crafted IP datagram,
250: a null pointer dereference will occur, resulting in a kernel panic.
251: In certain configurations this may be triggered by a remote attacker.
1.5 sthen 252: <br>
1.4 sthen 253: Restricting translation rules to protocols that are specific to the IP version
254: in use, is an effective workaround until the patch can be installed. As an
255: example, for IPv4 nat/binat/rdr rules you can use:
256: <pre>
257: nat/rdr ... inet proto { tcp udp icmp } ...
258: </pre>
259: Or for IPv6 nat/binat/rdr rules you can use:
260: <pre>
261: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
262: </pre>
1.25 sthen 263: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.4 sthen 264: A source code patch exists which remedies this problem</a>.<br>
265: <p>
266:
1.1 djm 267: <li><a name="001_openssl"></a>
268: <font color="#009000"><strong>001: RELIABILITY FIX: April 8, 2009</strong></font> <i>All architectures</i><br>
269: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.6 tobias 270: accesses through the use of certain invalid strings
1.1 djm 271: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
272: or under certain error conditions triggerable by invalid ASN.1 structures
273: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
274: These vulnerabilities could be exploited to achieve a
275: denial-of-service. A more detailed description of these problems is available
276: in the
277: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
278: Checking During CMS verification" relates to code not enabled in OpenBSD.
279: <br>
1.25 sthen 280: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.1 djm 281: A source code patch exists which remedies this problem</a>.<br>
282: <p>
283:
284: </ul>
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