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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>,
70: <a href="errata61.html">6.1</a>.
1.1 djm 71: <hr>
72:
1.36 deraadt 73: <p>
1.54 tj 74: Patches for the OpenBSD base system are distributed as unified diffs.
75: Each patch contains usage instructions.
76: All the following patches are also available in one
77: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
78: for convenience.
1.1 djm 79:
1.36 deraadt 80: <p>
1.54 tj 81: Patches for supported releases are also incorporated into the
1.55 ! tj 82: <a href="stable.html">-stable branch</a>.
1.36 deraadt 83:
1.1 djm 84: <hr>
85:
86: <ul>
1.40 bentley 87: <li id="016_openssl">
1.37 deraadt 88: <font color="#009000"><strong>016: SECURITY FIX: April 14, 2010</strong></font>
89: <i>All architectures</i><br>
1.23 jasper 90: In TLS connections, certain incorrectly formatted records can cause
91: an OpenSSL client or server to crash due to a read attempt at NULL.
92: <br>
1.53 tb 93: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 94: A source code patch exists which remedies this problem.</a>
1.23 jasper 95: <p>
1.22 jasper 96:
1.40 bentley 97: <li id="015_mpi">
1.37 deraadt 98: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font>
99: <i>All architectures</i><br>
1.19 dlg 100: When updating sensors showing the state of RAID volumes
1.48 sthen 101: <a href="http://man.openbsd.org/?query=mpi&sektion=4">mpi(4)</a>
1.19 dlg 102: allocates temporary memory and then returns it to the kernel as
103: device memory.
104: This causes kernel memory usage to be misrepresented, eventually
105: leading to a denial of service when a resource limit is apparently
106: reached.
107: <br>
1.53 tb 108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 109: A source code patch exists which remedies this problem.</a>
1.19 dlg 110: <p>
111:
1.40 bentley 112: <li id="014_kerberos">
1.37 deraadt 113: <font color="#009000"><strong>014: RELIABILITY FIX: March 31, 2010</strong></font>
114: <i>All architectures</i><br>
1.18 jasper 115: When decrypting packets, the internal decryption functions were not
116: paranoid enough in checking for underruns, which could potentially
117: lead to crashes.
118: <br>
1.53 tb 119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 120: A source code patch exists which remedies this problem.</a>
1.18 jasper 121: <p>
122:
1.40 bentley 123: <li id="013_ftpd">
1.37 deraadt 124: <font color="#009000"><strong>013: RELIABILITY FIX: March 12, 2010</strong></font>
125: <i>All architectures</i><br>
1.17 jasper 126: Due to a null pointer dereference, it would be possible to crash ftpd when
127: handling glob(3)'ing requests. This is non-exploitable.
128: <br>
1.53 tb 129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 130: A source code patch exists which remedies this problem.</a>
1.17 jasper 131: <p>
132:
1.40 bentley 133: <li id="012_openssl">
1.37 deraadt 134: <font color="#009000"><strong>012: SECURITY FIX: March 12, 2010</strong></font>
135: <i>All architectures</i><br>
1.17 jasper 136: OpenSSL is susceptible to a buffer overflow due to a failure
137: to check for NULL returns from bn_wexpand function calls.
138: <br>
1.53 tb 139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 140: A source code patch exists which remedies this problem.</a>
1.17 jasper 141: <p>
142:
1.40 bentley 143: <li id="011_ptrace">
1.37 deraadt 144: <font color="#009000"><strong>011: RELIABILITY FIX: January 29, 2010</strong></font>
145: <i>All architectures</i><br>
1.15 sthen 146: By using ptrace(2) on an ancestor process, a loop in the process tree
147: could be created, violating assumptions in other parts of the kernel
148: and resulting in infinite loops.
149: <br>
1.53 tb 150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
1.36 deraadt 151: A source code patch exists which remedies this problem.</a>
1.15 sthen 152: <p>
153:
1.40 bentley 154: <li id="010_openssl">
1.37 deraadt 155: <font color="#009000"><strong>010: SECURITY FIX: November 26, 2009</strong></font>
156: <i>All architectures</i><br>
1.14 sthen 157: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
158: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
159: OpenSSL permitted this protocol feature by default and had no way to
160: disable it.
161: <br>
1.53 tb 162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 163: A source code patch exists which remedies this problem.</a>
1.14 sthen 164: <p>
165:
1.40 bentley 166: <li id="009_getsockopt">
1.37 deraadt 167: <font color="#009000"><strong>009: RELIABILITY FIX: October 28, 2009</strong></font>
168: <i>All architectures</i><br>
1.13 deraadt 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>
1.53 tb 172: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 173: A source code patch exists which remedies this problem.</a>
1.13 deraadt 174: <p>
175:
1.40 bentley 176: <li id="008_xmm">
1.37 deraadt 177: <font color="#009000"><strong>008: RELIABILITY FIX: October 05, 2009</strong></font>
178: <i>i386 only</i><br>
1.12 jsing 179: XMM exceptions are not correctly handled resulting in a kernel panic.
180: <br>
1.53 tb 181: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 182: A source code patch exists which remedies this problem.</a>
1.12 jsing 183: <p>
184:
1.40 bentley 185: <li id="007_bind">
1.37 deraadt 186: <font color="#009000"><strong>007: RELIABILITY FIX: July 29, 2009</strong></font>
187: <i>All architectures</i><br>
1.9 jasper 188: A vulnerability has been found in BIND's named server
189: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
190: An attacker could crash a server with a specially crafted dynamic update message to a
191: zone for which the server is master.
192: <br>
1.53 tb 193: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.36 deraadt 194: A source code patch exists which remedies this problem.</a>
1.9 jasper 195: <p>
196:
1.40 bentley 197: <li id="006_perl">
1.37 deraadt 198: <font color="#009000"><strong>006: RELIABILITY FIX: June 24, 2009</strong></font>
199: <i>All architectures</i><br>
1.8 fkr 200: An off-by-one error in the inflate function in Zlib.xs in the
201: 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>),
202: as used in AMaViS, SpamAssassin, and possibly other products,
203: allows context-dependent attackers to cause a denial of service
204: (hang or crash) via a crafted zlib compressed stream that
205: triggers a heap-based buffer overflow.
206: <br>
1.53 tb 207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 208: A source code patch exists which remedies this problem.</a>
1.8 fkr 209: <p>
210:
1.1 djm 211:
1.40 bentley 212: <li id="005_audio">
1.37 deraadt 213: <font color="#009000"><strong>005: RELIABILITY FIX: April 24, 2009</strong></font>
214: <i>All architectures</i><br>
1.7 ratchov 215: On very high system load, an audio interrupt may occur while the
216: audio process is filling audio ring buffers. This triggers bogus
1.33 deraadt 217: (and useless) correction code in the
1.48 sthen 218: <a href="http://man.openbsd.org/?query=audio&sektion=4">audio(4)</a>
1.7 ratchov 219: driver causing the audio application to go out of sync, and in turn causing
220: continuous stuttering until the application is restarted.
221: <br>
1.53 tb 222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 223: A source code patch exists which remedies this problem.</a>
1.7 ratchov 224: <p>
225:
1.40 bentley 226: <li id="004_aucat">
1.37 deraadt 227: <font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font>
228: <i>All architectures</i><br>
1.7 ratchov 229: In server mode when in full-duplex mode (the default)
1.48 sthen 230: <a href="http://man.openbsd.org/?query=aucat&sektion=1">aucat(1)</a>
1.7 ratchov 231: will send each synchronization message twice, causing client applications
232: to think that buffer underruns are occuring. Depending on the
233: application, this may cause the sound to stutter.
234: <br>
1.53 tb 235: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 236: A source code patch exists which remedies this problem.</a>
1.7 ratchov 237: <p>
238:
1.40 bentley 239: <li id="003_bus_dma">
1.37 deraadt 240: <font color="#009000"><strong>003: RELIABILITY FIX: April 24, 2009</strong></font>
241: <i>i386 only</i><br>
1.7 ratchov 242: When DMA'able memory is mapped by device drivers, the
243: mapping flags and protection are partially uninitialized.
244: Depending on the calling context, this may cause devices to misbehave, like
1.48 sthen 245: <a href="http://man.openbsd.org/?query=audio&sektion=4">audio(4)</a>
1.7 ratchov 246: to stutter, but other anomalies might be observed for other
247: device types.
248: <br>
1.53 tb 249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 250: A source code patch exists which remedies this problem.</a>
1.7 ratchov 251: <p>
252:
1.40 bentley 253: <li id="002_pf">
1.37 deraadt 254: <font color="#009000"><strong>002: RELIABILITY FIX: April 11, 2009</strong></font>
255: <i>All architectures</i><br>
1.4 sthen 256: When pf attempts to perform translation on a specially crafted IP datagram,
257: a null pointer dereference will occur, resulting in a kernel panic.
258: In certain configurations this may be triggered by a remote attacker.
1.5 sthen 259: <br>
1.4 sthen 260: Restricting translation rules to protocols that are specific to the IP version
261: in use, is an effective workaround until the patch can be installed. As an
262: example, for IPv4 nat/binat/rdr rules you can use:
263: <pre>
264: nat/rdr ... inet proto { tcp udp icmp } ...
265: </pre>
266: Or for IPv6 nat/binat/rdr rules you can use:
267: <pre>
268: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
269: </pre>
1.53 tb 270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 271: A source code patch exists which remedies this problem.</a>
1.4 sthen 272: <p>
273:
1.40 bentley 274: <li id="001_openssl">
1.37 deraadt 275: <font color="#009000"><strong>001: RELIABILITY FIX: April 8, 2009</strong></font>
276: <i>All architectures</i><br>
1.1 djm 277: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.6 tobias 278: accesses through the use of certain invalid strings
1.1 djm 279: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
280: or under certain error conditions triggerable by invalid ASN.1 structures
281: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
282: These vulnerabilities could be exploited to achieve a
283: denial-of-service. A more detailed description of these problems is available
284: in the
285: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
286: Checking During CMS verification" relates to code not enabled in OpenBSD.
287: <br>
1.53 tb 288: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 289: A source code patch exists which remedies this problem.</a>
1.1 djm 290: <p>
291:
292: </ul>
293:
1.41 tedu 294: <hr>
295:
1.1 djm 296: </body>
297: </html>
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