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1.39 deraadt 21: <h2><font color="#e00000">
22: OpenBSD 4.5 errata
1.1 djm 23: </font></h2>
24:
25: <hr>
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>,
66: <a href="errata57.html">5.7</a>.
1.1 djm 67: <br>
68: <hr>
69:
1.25 sthen 70: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">
1.1 djm 71: You can also fetch a tar.gz file containing all the following patches</a>.
72: This file is updated once a day.
1.36 deraadt 73: <p>
1.1 djm 74:
1.36 deraadt 75: The patches below are available in CVS via the
1.1 djm 76: <code>OPENBSD_4_5</code> <a href="stable.html">patch branch</a>.
1.36 deraadt 77: <p>
1.1 djm 78:
79: For more detailed information on how to install patches to OpenBSD, please
80: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
1.36 deraadt 81: <p>
82:
1.1 djm 83: <hr>
84:
85: <ul>
1.40 bentley 86: <li id="016_openssl">
1.37 deraadt 87: <font color="#009000"><strong>016: SECURITY FIX: April 14, 2010</strong></font>
88: <i>All architectures</i><br>
1.23 jasper 89: In TLS connections, certain incorrectly formatted records can cause
90: an OpenSSL client or server to crash due to a read attempt at NULL.
91: <br>
1.25 sthen 92: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 93: A source code patch exists which remedies this problem.</a>
1.23 jasper 94: <p>
1.22 jasper 95:
1.40 bentley 96: <li id="015_mpi">
1.37 deraadt 97: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font>
98: <i>All architectures</i><br>
1.19 dlg 99: When updating sensors showing the state of RAID volumes
100: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mpi&sektion=4">mpi(4)</a>
101: allocates temporary memory and then returns it to the kernel as
102: device memory.
103: This causes kernel memory usage to be misrepresented, eventually
104: leading to a denial of service when a resource limit is apparently
105: reached.
106: <br>
1.25 sthen 107: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 108: A source code patch exists which remedies this problem.</a>
1.19 dlg 109: <p>
110:
1.40 bentley 111: <li id="014_kerberos">
1.37 deraadt 112: <font color="#009000"><strong>014: RELIABILITY FIX: March 31, 2010</strong></font>
113: <i>All architectures</i><br>
1.18 jasper 114: When decrypting packets, the internal decryption functions were not
115: paranoid enough in checking for underruns, which could potentially
116: lead to crashes.
117: <br>
1.25 sthen 118: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 119: A source code patch exists which remedies this problem.</a>
1.18 jasper 120: <p>
121:
1.40 bentley 122: <li id="013_ftpd">
1.37 deraadt 123: <font color="#009000"><strong>013: RELIABILITY FIX: March 12, 2010</strong></font>
124: <i>All architectures</i><br>
1.17 jasper 125: Due to a null pointer dereference, it would be possible to crash ftpd when
126: handling glob(3)'ing requests. This is non-exploitable.
127: <br>
1.25 sthen 128: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 129: A source code patch exists which remedies this problem.</a>
1.17 jasper 130: <p>
131:
1.40 bentley 132: <li id="012_openssl">
1.37 deraadt 133: <font color="#009000"><strong>012: SECURITY FIX: March 12, 2010</strong></font>
134: <i>All architectures</i><br>
1.17 jasper 135: OpenSSL is susceptible to a buffer overflow due to a failure
136: to check for NULL returns from bn_wexpand function calls.
137: <br>
1.25 sthen 138: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 139: A source code patch exists which remedies this problem.</a>
1.17 jasper 140: <p>
141:
1.40 bentley 142: <li id="011_ptrace">
1.37 deraadt 143: <font color="#009000"><strong>011: RELIABILITY FIX: January 29, 2010</strong></font>
144: <i>All architectures</i><br>
1.15 sthen 145: By using ptrace(2) on an ancestor process, a loop in the process tree
146: could be created, violating assumptions in other parts of the kernel
147: and resulting in infinite loops.
148: <br>
1.25 sthen 149: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
1.36 deraadt 150: A source code patch exists which remedies this problem.</a>
1.15 sthen 151: <p>
152:
1.40 bentley 153: <li id="010_openssl">
1.37 deraadt 154: <font color="#009000"><strong>010: SECURITY FIX: November 26, 2009</strong></font>
155: <i>All architectures</i><br>
1.14 sthen 156: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
157: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
158: OpenSSL permitted this protocol feature by default and had no way to
159: disable it.
160: <br>
1.25 sthen 161: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 162: A source code patch exists which remedies this problem.</a>
1.14 sthen 163: <p>
164:
1.40 bentley 165: <li id="009_getsockopt">
1.37 deraadt 166: <font color="#009000"><strong>009: RELIABILITY FIX: October 28, 2009</strong></font>
167: <i>All architectures</i><br>
1.13 deraadt 168: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
169: IP_IPCOMP_LEVEL will crash the system.
170: <br>
1.25 sthen 171: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 172: A source code patch exists which remedies this problem.</a>
1.13 deraadt 173: <p>
174:
1.40 bentley 175: <li id="008_xmm">
1.37 deraadt 176: <font color="#009000"><strong>008: RELIABILITY FIX: October 05, 2009</strong></font>
177: <i>i386 only</i><br>
1.12 jsing 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">
1.36 deraadt 181: A source code patch exists which remedies this problem.</a>
1.12 jsing 182: <p>
183:
1.40 bentley 184: <li id="007_bind">
1.37 deraadt 185: <font color="#009000"><strong>007: RELIABILITY FIX: July 29, 2009</strong></font>
186: <i>All architectures</i><br>
1.9 jasper 187: A vulnerability has been found in BIND's named server
188: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
189: An attacker could crash a server with a specially crafted dynamic update message to a
190: zone for which the server is master.
191: <br>
1.25 sthen 192: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.36 deraadt 193: A source code patch exists which remedies this problem.</a>
1.9 jasper 194: <p>
195:
1.40 bentley 196: <li id="006_perl">
1.37 deraadt 197: <font color="#009000"><strong>006: RELIABILITY FIX: June 24, 2009</strong></font>
198: <i>All architectures</i><br>
1.8 fkr 199: An off-by-one error in the inflate function in Zlib.xs in the
200: 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>),
201: as used in AMaViS, SpamAssassin, and possibly other products,
202: allows context-dependent attackers to cause a denial of service
203: (hang or crash) via a crafted zlib compressed stream that
204: triggers a heap-based buffer overflow.
205: <br>
1.25 sthen 206: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 207: A source code patch exists which remedies this problem.</a>
1.8 fkr 208: <p>
209:
1.1 djm 210:
1.40 bentley 211: <li id="005_audio">
1.37 deraadt 212: <font color="#009000"><strong>005: RELIABILITY FIX: April 24, 2009</strong></font>
213: <i>All architectures</i><br>
1.7 ratchov 214: On very high system load, an audio interrupt may occur while the
215: audio process is filling audio ring buffers. This triggers bogus
1.33 deraadt 216: (and useless) correction code in the
1.7 ratchov 217: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=audio&sektion=4">audio(4)</a>
218: driver causing the audio application to go out of sync, and in turn causing
219: continuous stuttering until the application is restarted.
220: <br>
1.25 sthen 221: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 222: A source code patch exists which remedies this problem.</a>
1.7 ratchov 223: <p>
224:
1.40 bentley 225: <li id="004_aucat">
1.37 deraadt 226: <font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font>
227: <i>All architectures</i><br>
1.7 ratchov 228: In server mode when in full-duplex mode (the default)
229: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=aucat&sektion=1">aucat(1)</a>
230: will send each synchronization message twice, causing client applications
231: to think that buffer underruns are occuring. Depending on the
232: application, this may cause the sound to stutter.
233: <br>
1.25 sthen 234: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 235: A source code patch exists which remedies this problem.</a>
1.7 ratchov 236: <p>
237:
1.40 bentley 238: <li id="003_bus_dma">
1.37 deraadt 239: <font color="#009000"><strong>003: RELIABILITY FIX: April 24, 2009</strong></font>
240: <i>i386 only</i><br>
1.7 ratchov 241: When DMA'able memory is mapped by device drivers, the
242: mapping flags and protection are partially uninitialized.
243: Depending on the calling context, this may cause devices to misbehave, like
244: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=audio&sektion=4">audio(4)</a>
245: to stutter, but other anomalies might be observed for other
246: device types.
247: <br>
1.25 sthen 248: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 249: A source code patch exists which remedies this problem.</a>
1.7 ratchov 250: <p>
251:
1.40 bentley 252: <li id="002_pf">
1.37 deraadt 253: <font color="#009000"><strong>002: RELIABILITY FIX: April 11, 2009</strong></font>
254: <i>All architectures</i><br>
1.4 sthen 255: When pf attempts to perform translation on a specially crafted IP datagram,
256: a null pointer dereference will occur, resulting in a kernel panic.
257: In certain configurations this may be triggered by a remote attacker.
1.5 sthen 258: <br>
1.4 sthen 259: Restricting translation rules to protocols that are specific to the IP version
260: in use, is an effective workaround until the patch can be installed. As an
261: example, for IPv4 nat/binat/rdr rules you can use:
262: <pre>
263: nat/rdr ... inet proto { tcp udp icmp } ...
264: </pre>
265: Or for IPv6 nat/binat/rdr rules you can use:
266: <pre>
267: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
268: </pre>
1.25 sthen 269: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 270: A source code patch exists which remedies this problem.</a>
1.4 sthen 271: <p>
272:
1.40 bentley 273: <li id="001_openssl">
1.37 deraadt 274: <font color="#009000"><strong>001: RELIABILITY FIX: April 8, 2009</strong></font>
275: <i>All architectures</i><br>
1.1 djm 276: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.6 tobias 277: accesses through the use of certain invalid strings
1.1 djm 278: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
279: or under certain error conditions triggerable by invalid ASN.1 structures
280: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
281: These vulnerabilities could be exploited to achieve a
282: denial-of-service. A more detailed description of these problems is available
283: in the
284: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
285: Checking During CMS verification" relates to code not enabled in OpenBSD.
286: <br>
1.25 sthen 287: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 288: A source code patch exists which remedies this problem.</a>
1.1 djm 289: <p>
290:
291: </ul>
292:
1.41 tedu 293: <hr>
294:
1.1 djm 295: </body>
296: </html>
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