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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>,
1.61 ! deraadt 73: <a href="errata64.html">6.4</a>,
! 74: <a href="errata65.html">6.5</a>.
1.1 djm 75: <hr>
76:
1.36 deraadt 77: <p>
1.54 tj 78: Patches for the OpenBSD base system are distributed as unified diffs.
79: Each patch contains usage instructions.
80: All the following patches are also available in one
81: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
82: for convenience.
1.1 djm 83:
1.36 deraadt 84: <p>
1.54 tj 85: Patches for supported releases are also incorporated into the
1.55 tj 86: <a href="stable.html">-stable branch</a>.
1.36 deraadt 87:
1.1 djm 88: <hr>
89:
90: <ul>
1.56 tb 91: <li id="p016_openssl">
1.37 deraadt 92: <font color="#009000"><strong>016: SECURITY FIX: April 14, 2010</strong></font>
93: <i>All architectures</i><br>
1.23 jasper 94: In TLS connections, certain incorrectly formatted records can cause
95: an OpenSSL client or server to crash due to a read attempt at NULL.
96: <br>
1.53 tb 97: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 98: A source code patch exists which remedies this problem.</a>
1.23 jasper 99: <p>
1.22 jasper 100:
1.56 tb 101: <li id="p015_mpi">
1.37 deraadt 102: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font>
103: <i>All architectures</i><br>
1.19 dlg 104: When updating sensors showing the state of RAID volumes
1.57 tb 105: <a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a>
1.19 dlg 106: allocates temporary memory and then returns it to the kernel as
107: device memory.
108: This causes kernel memory usage to be misrepresented, eventually
109: leading to a denial of service when a resource limit is apparently
110: reached.
111: <br>
1.53 tb 112: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 113: A source code patch exists which remedies this problem.</a>
1.19 dlg 114: <p>
115:
1.56 tb 116: <li id="p014_kerberos">
1.37 deraadt 117: <font color="#009000"><strong>014: RELIABILITY FIX: March 31, 2010</strong></font>
118: <i>All architectures</i><br>
1.18 jasper 119: When decrypting packets, the internal decryption functions were not
120: paranoid enough in checking for underruns, which could potentially
121: lead to crashes.
122: <br>
1.53 tb 123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 124: A source code patch exists which remedies this problem.</a>
1.18 jasper 125: <p>
126:
1.56 tb 127: <li id="p013_ftpd">
1.37 deraadt 128: <font color="#009000"><strong>013: RELIABILITY FIX: March 12, 2010</strong></font>
129: <i>All architectures</i><br>
1.17 jasper 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>
1.53 tb 133: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 134: A source code patch exists which remedies this problem.</a>
1.17 jasper 135: <p>
136:
1.56 tb 137: <li id="p012_openssl">
1.37 deraadt 138: <font color="#009000"><strong>012: SECURITY FIX: March 12, 2010</strong></font>
139: <i>All architectures</i><br>
1.17 jasper 140: OpenSSL is susceptible to a buffer overflow due to a failure
141: to check for NULL returns from bn_wexpand function calls.
142: <br>
1.53 tb 143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 144: A source code patch exists which remedies this problem.</a>
1.17 jasper 145: <p>
146:
1.56 tb 147: <li id="p011_ptrace">
1.37 deraadt 148: <font color="#009000"><strong>011: RELIABILITY FIX: January 29, 2010</strong></font>
149: <i>All architectures</i><br>
1.15 sthen 150: By using ptrace(2) on an ancestor process, a loop in the process tree
151: could be created, violating assumptions in other parts of the kernel
152: and resulting in infinite loops.
153: <br>
1.53 tb 154: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
1.36 deraadt 155: A source code patch exists which remedies this problem.</a>
1.15 sthen 156: <p>
157:
1.56 tb 158: <li id="p010_openssl">
1.37 deraadt 159: <font color="#009000"><strong>010: SECURITY FIX: November 26, 2009</strong></font>
160: <i>All architectures</i><br>
1.14 sthen 161: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
162: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
163: OpenSSL permitted this protocol feature by default and had no way to
164: disable it.
165: <br>
1.53 tb 166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 167: A source code patch exists which remedies this problem.</a>
1.14 sthen 168: <p>
169:
1.56 tb 170: <li id="p009_getsockopt">
1.37 deraadt 171: <font color="#009000"><strong>009: RELIABILITY FIX: October 28, 2009</strong></font>
172: <i>All architectures</i><br>
1.13 deraadt 173: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
174: IP_IPCOMP_LEVEL will crash the system.
175: <br>
1.53 tb 176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 177: A source code patch exists which remedies this problem.</a>
1.13 deraadt 178: <p>
179:
1.56 tb 180: <li id="p008_xmm">
1.37 deraadt 181: <font color="#009000"><strong>008: RELIABILITY FIX: October 05, 2009</strong></font>
182: <i>i386 only</i><br>
1.12 jsing 183: XMM exceptions are not correctly handled resulting in a kernel panic.
184: <br>
1.53 tb 185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 186: A source code patch exists which remedies this problem.</a>
1.12 jsing 187: <p>
188:
1.56 tb 189: <li id="p007_bind">
1.37 deraadt 190: <font color="#009000"><strong>007: RELIABILITY FIX: July 29, 2009</strong></font>
191: <i>All architectures</i><br>
1.9 jasper 192: A vulnerability has been found in BIND's named server
193: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0696">CVE-2009-0696</a>).
194: An attacker could crash a server with a specially crafted dynamic update message to a
195: zone for which the server is master.
196: <br>
1.53 tb 197: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/007_bind.patch">
1.36 deraadt 198: A source code patch exists which remedies this problem.</a>
1.9 jasper 199: <p>
200:
1.56 tb 201: <li id="p006_perl">
1.37 deraadt 202: <font color="#009000"><strong>006: RELIABILITY FIX: June 24, 2009</strong></font>
203: <i>All architectures</i><br>
1.8 fkr 204: An off-by-one error in the inflate function in Zlib.xs in the
205: 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>),
206: as used in AMaViS, SpamAssassin, and possibly other products,
207: allows context-dependent attackers to cause a denial of service
208: (hang or crash) via a crafted zlib compressed stream that
209: triggers a heap-based buffer overflow.
210: <br>
1.53 tb 211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 212: A source code patch exists which remedies this problem.</a>
1.8 fkr 213: <p>
214:
1.1 djm 215:
1.56 tb 216: <li id="p005_audio">
1.37 deraadt 217: <font color="#009000"><strong>005: RELIABILITY FIX: April 24, 2009</strong></font>
218: <i>All architectures</i><br>
1.7 ratchov 219: On very high system load, an audio interrupt may occur while the
220: audio process is filling audio ring buffers. This triggers bogus
1.33 deraadt 221: (and useless) correction code in the
1.57 tb 222: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
1.7 ratchov 223: driver causing the audio application to go out of sync, and in turn causing
224: continuous stuttering until the application is restarted.
225: <br>
1.53 tb 226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 227: A source code patch exists which remedies this problem.</a>
1.7 ratchov 228: <p>
229:
1.56 tb 230: <li id="p004_aucat">
1.37 deraadt 231: <font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font>
232: <i>All architectures</i><br>
1.7 ratchov 233: In server mode when in full-duplex mode (the default)
1.57 tb 234: <a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a>
1.7 ratchov 235: will send each synchronization message twice, causing client applications
236: to think that buffer underruns are occuring. Depending on the
237: application, this may cause the sound to stutter.
238: <br>
1.53 tb 239: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 240: A source code patch exists which remedies this problem.</a>
1.7 ratchov 241: <p>
242:
1.56 tb 243: <li id="p003_bus_dma">
1.37 deraadt 244: <font color="#009000"><strong>003: RELIABILITY FIX: April 24, 2009</strong></font>
245: <i>i386 only</i><br>
1.7 ratchov 246: When DMA'able memory is mapped by device drivers, the
247: mapping flags and protection are partially uninitialized.
248: Depending on the calling context, this may cause devices to misbehave, like
1.57 tb 249: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
1.7 ratchov 250: to stutter, but other anomalies might be observed for other
251: device types.
252: <br>
1.53 tb 253: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 254: A source code patch exists which remedies this problem.</a>
1.7 ratchov 255: <p>
256:
1.56 tb 257: <li id="p002_pf">
1.37 deraadt 258: <font color="#009000"><strong>002: RELIABILITY FIX: April 11, 2009</strong></font>
259: <i>All architectures</i><br>
1.4 sthen 260: When pf attempts to perform translation on a specially crafted IP datagram,
261: a null pointer dereference will occur, resulting in a kernel panic.
262: In certain configurations this may be triggered by a remote attacker.
1.5 sthen 263: <br>
1.4 sthen 264: Restricting translation rules to protocols that are specific to the IP version
265: in use, is an effective workaround until the patch can be installed. As an
266: example, for IPv4 nat/binat/rdr rules you can use:
267: <pre>
268: nat/rdr ... inet proto { tcp udp icmp } ...
269: </pre>
270: Or for IPv6 nat/binat/rdr rules you can use:
271: <pre>
272: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
273: </pre>
1.53 tb 274: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 275: A source code patch exists which remedies this problem.</a>
1.4 sthen 276: <p>
277:
1.56 tb 278: <li id="p001_openssl">
1.37 deraadt 279: <font color="#009000"><strong>001: RELIABILITY FIX: April 8, 2009</strong></font>
280: <i>All architectures</i><br>
1.1 djm 281: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
1.6 tobias 282: accesses through the use of certain invalid strings
1.1 djm 283: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
284: or under certain error conditions triggerable by invalid ASN.1 structures
285: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
286: These vulnerabilities could be exploited to achieve a
287: denial-of-service. A more detailed description of these problems is available
288: in the
289: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
290: Checking During CMS verification" relates to code not enabled in OpenBSD.
291: <br>
1.53 tb 292: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 293: A source code patch exists which remedies this problem.</a>
1.1 djm 294: <p>
295:
296: </ul>
297:
1.41 tedu 298: <hr>
299:
1.1 djm 300: </body>
301: </html>
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