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1.50 tj 5: <title>OpenBSD 4.5 Errata</title>
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1.39 deraadt 11: <!--
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1.1 djm 16:
1.62 bentley 17: <h2 id=OpenBSD>
1.49 deraadt 18: <a href="index.html">
1.62 bentley 19: <i>Open</i><b>BSD</b></a>
20: 4.5 Errata
1.50 tj 21: </h2>
1.49 deraadt 22: <hr>
1.1 djm 23:
24: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
25: <br>
26: For errata on a certain release, click below:<br>
27: <a href="errata21.html">2.1</a>,
28: <a href="errata22.html">2.2</a>,
29: <a href="errata23.html">2.3</a>,
30: <a href="errata24.html">2.4</a>,
31: <a href="errata25.html">2.5</a>,
32: <a href="errata26.html">2.6</a>,
33: <a href="errata27.html">2.7</a>,
34: <a href="errata28.html">2.8</a>,
35: <a href="errata29.html">2.9</a>,
36: <a href="errata30.html">3.0</a>,
37: <a href="errata31.html">3.1</a>,
38: <a href="errata32.html">3.2</a>,
39: <a href="errata33.html">3.3</a>,
40: <a href="errata34.html">3.4</a>,
41: <a href="errata35.html">3.5</a>,
42: <a href="errata36.html">3.6</a>,
43: <br>
44: <a href="errata37.html">3.7</a>,
45: <a href="errata38.html">3.8</a>,
46: <a href="errata39.html">3.9</a>,
47: <a href="errata40.html">4.0</a>,
48: <a href="errata41.html">4.1</a>,
49: <a href="errata42.html">4.2</a>,
1.3 deraadt 50: <a href="errata43.html">4.3</a>,
1.10 deraadt 51: <a href="errata44.html">4.4</a>,
1.16 deraadt 52: <a href="errata46.html">4.6</a>,
1.26 deraadt 53: <a href="errata47.html">4.7</a>,
1.27 miod 54: <a href="errata48.html">4.8</a>,
1.28 nick 55: <a href="errata49.html">4.9</a>,
1.29 sthen 56: <a href="errata50.html">5.0</a>,
1.30 deraadt 57: <a href="errata51.html">5.1</a>,
1.31 deraadt 58: <a href="errata52.html">5.2</a>,
1.32 deraadt 59: <a href="errata53.html">5.3</a>,
1.35 deraadt 60: <br>
1.33 deraadt 61: <a href="errata54.html">5.4</a>,
1.38 jsg 62: <a href="errata55.html">5.5</a>,
1.42 deraadt 63: <a href="errata56.html">5.6</a>,
1.45 deraadt 64: <a href="errata57.html">5.7</a>,
1.46 deraadt 65: <a href="errata58.html">5.8</a>,
1.51 deraadt 66: <a href="errata59.html">5.9</a>,
1.54 tj 67: <a href="errata60.html">6.0</a>,
1.58 deraadt 68: <a href="errata61.html">6.1</a>,
1.59 deraadt 69: <a href="errata62.html">6.2</a>,
1.60 deraadt 70: <a href="errata63.html">6.3</a>,
1.61 deraadt 71: <a href="errata64.html">6.4</a>,
72: <a href="errata65.html">6.5</a>.
1.1 djm 73: <hr>
74:
1.36 deraadt 75: <p>
1.54 tj 76: Patches for the OpenBSD base system are distributed as unified diffs.
77: Each patch contains usage instructions.
78: All the following patches are also available in one
79: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5.tar.gz">tar.gz file</a>
80: for convenience.
1.1 djm 81:
1.36 deraadt 82: <p>
1.54 tj 83: Patches for supported releases are also incorporated into the
1.55 tj 84: <a href="stable.html">-stable branch</a>.
1.36 deraadt 85:
1.1 djm 86: <hr>
87:
88: <ul>
1.22 jasper 89:
1.63 ! deraadt 90: <li id="p001_openssl">
! 91: <strong>001: RELIABILITY FIX: April 8, 2009</strong>
1.37 deraadt 92: <i>All architectures</i><br>
1.63 ! deraadt 93: The OpenSSL ASN.1 handling code could be forced to perform invalid memory
! 94: accesses through the use of certain invalid strings
! 95: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</a>)
! 96: or under certain error conditions triggerable by invalid ASN.1 structures
! 97: (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0789">CVE-2009-0789</a>).
! 98: These vulnerabilities could be exploited to achieve a
! 99: denial-of-service. A more detailed description of these problems is available
! 100: in the
! 101: <a href="http://www.openssl.org/news/secadv_20090325.txt">OpenSSL security advisory</a>, but note that the other issue described there "Incorrect Error
! 102: Checking During CMS verification" relates to code not enabled in OpenBSD.
1.19 dlg 103: <br>
1.63 ! deraadt 104: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch">
1.36 deraadt 105: A source code patch exists which remedies this problem.</a>
1.19 dlg 106: <p>
107:
1.63 ! deraadt 108: <li id="p002_pf">
! 109: <strong>002: RELIABILITY FIX: April 11, 2009</strong>
1.37 deraadt 110: <i>All architectures</i><br>
1.63 ! deraadt 111: When pf attempts to perform translation on a specially crafted IP datagram,
! 112: a null pointer dereference will occur, resulting in a kernel panic.
! 113: In certain configurations this may be triggered by a remote attacker.
1.18 jasper 114: <br>
1.63 ! deraadt 115: Restricting translation rules to protocols that are specific to the IP version
! 116: in use, is an effective workaround until the patch can be installed. As an
! 117: example, for IPv4 nat/binat/rdr rules you can use:
! 118: <pre>
! 119: nat/rdr ... inet proto { tcp udp icmp } ...
! 120: </pre>
! 121: Or for IPv6 nat/binat/rdr rules you can use:
! 122: <pre>
! 123: nat/rdr ... inet6 proto { tcp udp icmp6 } ...
! 124: </pre>
! 125: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/002_pf.patch">
1.36 deraadt 126: A source code patch exists which remedies this problem.</a>
1.18 jasper 127: <p>
128:
1.63 ! deraadt 129: <li id="p003_bus_dma">
! 130: <strong>003: RELIABILITY FIX: April 24, 2009</strong>
! 131: <i>i386 only</i><br>
! 132: When DMA'able memory is mapped by device drivers, the
! 133: mapping flags and protection are partially uninitialized.
! 134: Depending on the calling context, this may cause devices to misbehave, like
! 135: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
! 136: to stutter, but other anomalies might be observed for other
! 137: device types.
1.17 jasper 138: <br>
1.63 ! deraadt 139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/003_bus_dma.patch">
1.36 deraadt 140: A source code patch exists which remedies this problem.</a>
1.17 jasper 141: <p>
142:
1.63 ! deraadt 143: <li id="p004_aucat">
! 144: <strong>004: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 145: <i>All architectures</i><br>
1.63 ! deraadt 146: In server mode when in full-duplex mode (the default)
! 147: <a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a>
! 148: will send each synchronization message twice, causing client applications
! 149: to think that buffer underruns are occuring. Depending on the
! 150: application, this may cause the sound to stutter.
1.17 jasper 151: <br>
1.63 ! deraadt 152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/004_aucat.patch">
1.36 deraadt 153: A source code patch exists which remedies this problem.</a>
1.17 jasper 154: <p>
155:
1.63 ! deraadt 156: <li id="p005_audio">
! 157: <strong>005: RELIABILITY FIX: April 24, 2009</strong>
1.37 deraadt 158: <i>All architectures</i><br>
1.63 ! deraadt 159: On very high system load, an audio interrupt may occur while the
! 160: audio process is filling audio ring buffers. This triggers bogus
! 161: (and useless) correction code in the
! 162: <a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a>
! 163: driver causing the audio application to go out of sync, and in turn causing
! 164: continuous stuttering until the application is restarted.
1.15 sthen 165: <br>
1.63 ! deraadt 166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/005_audio.patch">
1.36 deraadt 167: A source code patch exists which remedies this problem.</a>
1.15 sthen 168: <p>
169:
1.63 ! deraadt 170: <li id="p006_perl">
! 171: <strong>006: RELIABILITY FIX: June 24, 2009</strong>
1.37 deraadt 172: <i>All architectures</i><br>
1.63 ! deraadt 173: An off-by-one error in the inflate function in Zlib.xs in the
! 174: 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>),
! 175: as used in AMaViS, SpamAssassin, and possibly other products,
! 176: allows context-dependent attackers to cause a denial of service
! 177: (hang or crash) via a crafted zlib compressed stream that
! 178: triggers a heap-based buffer overflow.
1.14 sthen 179: <br>
1.63 ! deraadt 180: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/006_perl_zlib.patch">
1.36 deraadt 181: A source code patch exists which remedies this problem.</a>
1.14 sthen 182: <p>
183:
1.63 ! deraadt 184: <li id="p007_bind">
! 185: <strong>007: RELIABILITY FIX: July 29, 2009</strong>
1.37 deraadt 186: <i>All architectures</i><br>
1.63 ! deraadt 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.
1.13 deraadt 191: <br>
1.63 ! deraadt 192: <a href="https://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>
1.13 deraadt 194: <p>
195:
1.56 tb 196: <li id="p008_xmm">
1.62 bentley 197: <strong>008: RELIABILITY FIX: October 05, 2009</strong>
1.37 deraadt 198: <i>i386 only</i><br>
1.12 jsing 199: XMM exceptions are not correctly handled resulting in a kernel panic.
200: <br>
1.53 tb 201: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/i386/008_xmm.patch">
1.36 deraadt 202: A source code patch exists which remedies this problem.</a>
1.12 jsing 203: <p>
204:
1.63 ! deraadt 205: <li id="p009_getsockopt">
! 206: <strong>009: RELIABILITY FIX: October 28, 2009</strong>
1.37 deraadt 207: <i>All architectures</i><br>
1.63 ! deraadt 208: getsockopt(2) with any of IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL,
! 209: IP_IPCOMP_LEVEL will crash the system.
1.9 jasper 210: <br>
1.63 ! deraadt 211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/009_getsockopt.patch">
1.36 deraadt 212: A source code patch exists which remedies this problem.</a>
1.9 jasper 213: <p>
214:
1.63 ! deraadt 215: <li id="p010_openssl">
! 216: <strong>010: SECURITY FIX: November 26, 2009</strong>
1.37 deraadt 217: <i>All architectures</i><br>
1.63 ! deraadt 218: The SSL/TLS protocol is subject to man-in-the-middle attacks related to
! 219: renegotiation (see CVE-2009-3555, draft-ietf-tls-renegotiation-00).
! 220: OpenSSL permitted this protocol feature by default and had no way to
! 221: disable it.
1.8 fkr 222: <br>
1.63 ! deraadt 223: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/010_openssl.patch">
1.36 deraadt 224: A source code patch exists which remedies this problem.</a>
1.8 fkr 225: <p>
226:
1.63 ! deraadt 227: <li id="p011_ptrace">
! 228: <strong>011: RELIABILITY FIX: January 29, 2010</strong>
! 229: <i>All architectures</i><br>
! 230: By using ptrace(2) on an ancestor process, a loop in the process tree
! 231: could be created, violating assumptions in other parts of the kernel
! 232: and resulting in infinite loops.
! 233: <br>
! 234: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/011_ptrace.patch">
! 235: A source code patch exists which remedies this problem.</a>
! 236: <p>
1.1 djm 237:
1.63 ! deraadt 238: <li id="p012_openssl">
! 239: <strong>012: SECURITY FIX: March 12, 2010</strong>
1.37 deraadt 240: <i>All architectures</i><br>
1.63 ! deraadt 241: OpenSSL is susceptible to a buffer overflow due to a failure
! 242: to check for NULL returns from bn_wexpand function calls.
1.7 ratchov 243: <br>
1.63 ! deraadt 244: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/012_openssl.patch">
1.36 deraadt 245: A source code patch exists which remedies this problem.</a>
1.7 ratchov 246: <p>
247:
1.63 ! deraadt 248: <li id="p013_ftpd">
! 249: <strong>013: RELIABILITY FIX: March 12, 2010</strong>
1.37 deraadt 250: <i>All architectures</i><br>
1.63 ! deraadt 251: Due to a null pointer dereference, it would be possible to crash ftpd when
! 252: handling glob(3)'ing requests. This is non-exploitable.
1.7 ratchov 253: <br>
1.63 ! deraadt 254: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/013_ftpd.patch">
1.36 deraadt 255: A source code patch exists which remedies this problem.</a>
1.7 ratchov 256: <p>
257:
1.63 ! deraadt 258: <li id="p014_kerberos">
! 259: <strong>014: RELIABILITY FIX: March 31, 2010</strong>
! 260: <i>All architectures</i><br>
! 261: When decrypting packets, the internal decryption functions were not
! 262: paranoid enough in checking for underruns, which could potentially
! 263: lead to crashes.
1.7 ratchov 264: <br>
1.63 ! deraadt 265: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/014_kerberos.patch">
1.36 deraadt 266: A source code patch exists which remedies this problem.</a>
1.7 ratchov 267: <p>
268:
1.63 ! deraadt 269: <li id="p015_mpi">
! 270: <strong>015: RELIABILITY FIX: April 4, 2010</strong>
1.37 deraadt 271: <i>All architectures</i><br>
1.63 ! deraadt 272: When updating sensors showing the state of RAID volumes
! 273: <a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a>
! 274: allocates temporary memory and then returns it to the kernel as
! 275: device memory.
! 276: This causes kernel memory usage to be misrepresented, eventually
! 277: leading to a denial of service when a resource limit is apparently
! 278: reached.
1.5 sthen 279: <br>
1.63 ! deraadt 280: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch">
1.36 deraadt 281: A source code patch exists which remedies this problem.</a>
1.4 sthen 282: <p>
283:
1.63 ! deraadt 284: <li id="p016_openssl">
! 285: <strong>016: SECURITY FIX: April 14, 2010</strong>
1.37 deraadt 286: <i>All architectures</i><br>
1.63 ! deraadt 287: In TLS connections, certain incorrectly formatted records can cause
! 288: an OpenSSL client or server to crash due to a read attempt at NULL.
1.1 djm 289: <br>
1.63 ! deraadt 290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/016_openssl.patch">
1.36 deraadt 291: A source code patch exists which remedies this problem.</a>
1.1 djm 292: <p>
293:
294: </ul>
295:
1.41 tedu 296: <hr>
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