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1.44 tj 5: <title>OpenBSD 4.7 Errata</title>
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1.1 deraadt 16:
1.56 bentley 17: <h2 id=OpenBSD>
1.43 deraadt 18: <a href="index.html">
1.56 bentley 19: <i>Open</i><b>BSD</b></a>
20: 4.7 Errata
1.44 tj 21: </h2>
1.43 deraadt 22: <hr>
1.1 deraadt 23:
24: For errata on a certain release, click below:<br>
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <a href="errata36.html">3.6</a>,
41: <br>
42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
47: <a href="errata42.html">4.2</a>,
48: <a href="errata43.html">4.3</a>,
49: <a href="errata44.html">4.4</a>,
50: <a href="errata45.html">4.5</a>,
1.15 deraadt 51: <a href="errata46.html">4.6</a>,
1.21 miod 52: <a href="errata48.html">4.8</a>,
1.22 nick 53: <a href="errata49.html">4.9</a>,
1.23 sthen 54: <a href="errata50.html">5.0</a>,
1.24 deraadt 55: <a href="errata51.html">5.1</a>,
1.25 deraadt 56: <a href="errata52.html">5.2</a>,
1.26 deraadt 57: <a href="errata53.html">5.3</a>,
1.29 deraadt 58: <br>
1.27 deraadt 59: <a href="errata54.html">5.4</a>,
1.32 jsg 60: <a href="errata55.html">5.5</a>,
1.36 deraadt 61: <a href="errata56.html">5.6</a>,
1.39 deraadt 62: <a href="errata57.html">5.7</a>,
1.40 deraadt 63: <a href="errata58.html">5.8</a>,
1.45 deraadt 64: <a href="errata59.html">5.9</a>,
1.48 tj 65: <a href="errata60.html">6.0</a>,
1.52 deraadt 66: <a href="errata61.html">6.1</a>,
1.53 deraadt 67: <a href="errata62.html">6.2</a>,
1.54 deraadt 68: <a href="errata63.html">6.3</a>,
1.55 deraadt 69: <a href="errata64.html">6.4</a>,
1.58 ! deraadt 70: <a href="errata65.html">6.5</a>,
! 71: <a href="errata66.html">6.6</a>.
1.1 deraadt 72: <hr>
73:
1.30 deraadt 74: <p>
1.48 tj 75: Patches for the OpenBSD base system are distributed as unified diffs.
76: Each patch contains usage instructions.
77: All the following patches are also available in one
78: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7.tar.gz">tar.gz file</a>
79: for convenience.
1.1 deraadt 80:
1.30 deraadt 81: <p>
1.48 tj 82: Patches for supported releases are also incorporated into the
1.49 tj 83: <a href="stable.html">-stable branch</a>.
1.30 deraadt 84:
1.1 deraadt 85: <hr>
86:
87: <ul>
1.57 deraadt 88:
89: <li id="p001_kerberos">
90: <strong>001: RELIABILITY FIX: March 31, 2010</strong>
91: <i>All architectures</i><br>
92: When decrypting packets, the internal decryption functions were not
93: paranoid enough in checking for underruns, which could potentially
94: lead to crashes.
1.20 sthen 95: <br>
1.57 deraadt 96: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/001_kerberos.patch">
1.30 deraadt 97: A source code patch exists which remedies this problem.</a>
1.20 sthen 98: <p>
99:
1.57 deraadt 100: <li id="p002_mpi">
101: <strong>002: RELIABILITY FIX: April 4, 2010</strong>
1.31 deraadt 102: <i>All architectures</i><br>
1.57 deraadt 103: When updating sensors showing the state of RAID volumes
104: <a href="https://man.openbsd.org/OpenBSD-4.7/mpi.4">mpi(4)</a>
105: allocates temporary memory and then returns it to the kernel as
106: device memory.
107: This causes kernel memory usage to be misrepresented, eventually
108: leading to a denial of service when a resource limit is apparently
109: reached.
1.20 sthen 110: <br>
1.57 deraadt 111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch">
1.30 deraadt 112: A source code patch exists which remedies this problem.</a>
1.20 sthen 113: <p>
114:
1.57 deraadt 115: <li id="p003_openssl">
116: <strong>003: SECURITY FIX: April 14, 2010</strong>
1.31 deraadt 117: <i>All architectures</i><br>
1.57 deraadt 118: In TLS connections, certain incorrectly formatted records can cause
119: an OpenSSL client or server to crash due to a read attempt at NULL.
1.19 jsg 120: <br>
1.57 deraadt 121: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/003_openssl.patch">
1.30 deraadt 122: A source code patch exists which remedies this problem.</a>
1.19 jsg 123: <p>
124:
1.57 deraadt 125: <li id="p004_pfsync">
126: <strong>004: SECURITY FIX: April 23, 2010</strong>
1.31 deraadt 127: <i>All architectures</i><br>
1.57 deraadt 128: The combination of pfsync and IPSEC may crash the kernel.<br>
129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/004_pfsync.patch">
1.30 deraadt 130: A source code patch exists which remedies this problem.</a>
1.18 jasper 131: <p>
132:
1.57 deraadt 133: <li id="p005_pfsync">
134: <strong>005: RELIABILITY FIX: May 14, 2010</strong>
1.31 deraadt 135: <i>All architectures</i><br>
1.57 deraadt 136: Incorrectly initialized state updates can cause pfsync update storms.
1.17 jasper 137: <br>
1.57 deraadt 138: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/005_pfsync.patch">
1.30 deraadt 139: A source code patch exists which remedies this problem.</a>
1.17 jasper 140: <p>
141:
1.57 deraadt 142: <li id="p006_scsi">
143: <strong>006: RELIABILITY FIX: July 8, 2010</strong>
1.31 deraadt 144: <i>All architectures</i><br>
1.57 deraadt 145: Restore an unusual XS_SENSE semantic. Fixes dump(8)/restore(8) problems seen on certain tape drives.
1.16 jasper 146: <br>
1.57 deraadt 147: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/006_scsi.patch">
1.30 deraadt 148: A source code patch exists which remedies this problem.</a>
1.16 jasper 149: <p>
150:
1.50 tb 151: <li id="p007_scsi">
1.56 bentley 152: <strong>007: RELIABILITY FIX: September 14, 2010</strong>
1.31 deraadt 153: <i>All architectures</i><br>
1.14 stephan 154: Avoid calling scsi_done() more than once in gdt(4). Fixes a kernel panic triggered by syncing disks during shut down.<br>
155: Clear the ITSDONE flag before issuing commands to the SCSI adapter. Fixes handling of retried SCSI commands.
156: <br>
1.47 tb 157: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/007_scsi.patch">
1.30 deraadt 158: A source code patch exists which remedies this problem.</a>
1.14 stephan 159: <p>
160:
1.57 deraadt 161: <li id="p008_openssl">
162: <strong>008: RELIABILITY FIX: November 17, 2010</strong>
1.31 deraadt 163: <i>All architectures</i><br>
1.57 deraadt 164: Fix a flaw in the OpenSSL TLS server extension code parsing which could lead to
165: a buffer overflow. This affects OpenSSL based TLS servers which are multi-threaded
166: and use OpenSSL's internal caching mechanism. Servers that are multi-process
167: and/or disable internal session caching are not affected.
1.12 stephan 168: <br>
1.57 deraadt 169: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/008_openssl.patch">
1.30 deraadt 170: A source code patch exists which remedies this problem.</a>
1.12 stephan 171: <p>
172:
1.57 deraadt 173: <li id="p009_pf">
174: <strong>009: SECURITY FIX: December 17, 2010</strong>
1.31 deraadt 175: <i>All architectures</i><br>
1.57 deraadt 176: Insufficent initialization of the pf rule structure in the ioctl
177: handler may allow userland to modify kernel memory. By default root
178: privileges are needed to add or modify pf rules.
1.10 stephan 179: <br>
1.57 deraadt 180: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/009_pf.patch">
1.30 deraadt 181: A source code patch exists which remedies this problem.</a>
1.10 stephan 182: <p>
183:
1.57 deraadt 184: <li id="p010_cbc">
185: <strong>010: RELIABILITY FIX: December 20, 2010</strong>
1.31 deraadt 186: <i>All architectures</i><br>
1.57 deraadt 187: Bring CBC oracle attack countermeasures to hardware crypto accelerator land.
188: This fixes aes-ni, via xcrypt and various drivers
189: (<a href="https://man.openbsd.org/OpenBSD-4.7/glxsb.4">glxsb(4)</a>,
190: <a href="https://man.openbsd.org/OpenBSD-4.7/hifn.4">hifn(4)</a>,
191: <a href="https://man.openbsd.org/OpenBSD-4.7/safe.4">safe(4)</a>
192: and
193: <a href="https://man.openbsd.org/OpenBSD-4.7/ubsec.4">ubsec(4)</a>).
194: <br>
195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/010_cbc.patch">
1.30 deraadt 196: A source code patch exists which remedies this problem.</a>
1.9 pyr 197: <p>
198:
1.57 deraadt 199: <li id="p011_rtsock">
200: <strong>011: RELIABILITY FIX: January 13, 2011</strong>
1.31 deraadt 201: <i>All architectures</i><br>
1.57 deraadt 202: sp_protocol in RTM_DELETE messages could contain garbage values
203: leading to routing socket users that restrict the AF (such as ospfd)
204: not seeing any of the RTM_DELETE messages.
1.8 jasper 205: <br>
1.57 deraadt 206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/011_rtsock.patch">
1.30 deraadt 207: A source code patch exists which remedies this problem.</a>
1.8 jasper 208: <p>
1.7 jasper 209:
1.57 deraadt 210: <li id="p012_openssl">
211: <strong>012: SECURITY FIX: February 11, 2011</strong>
1.31 deraadt 212: <i>All architectures</i><br>
1.57 deraadt 213: An incorrectly formatted ClientHello handshake message could cause
214: OpenSSL to parse past the end of the message. An attacker could use this flaw
215: to trigger an invalid memory access, causing a crash of an application linked
216: to OpenSSL. As well, certain applications may expose the contents of parsed
217: OCSP extensions, specifically the OCSP nonce extension.
218: <p>
219: Applications are only affected if they act as a server and call
220: SSL_CTX_set_tlsext_status_cb on the server's SSL_CTX. It is believed
221: that nothing in the base OS uses this. Apache httpd started using this
222: in v2.3.3; this is newer than the version in ports.
1.4 dlg 223: <br>
1.57 deraadt 224: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/012_openssl.patch">
1.30 deraadt 225: A source code patch exists which remedies this problem.</a>
1.4 dlg 226: <p>
227:
1.57 deraadt 228: <li id="p013_pf">
229: <strong>013: SECURITY FIX: February 16, 2011</strong>
230: <i>Little-endian architectures</i><br>
231: PF rules specifying address ranges (e.g. "10.1.1.1 - 10.1.1.5") were
232: not correctly handled on little-endian systems (alpha, amd64, arm, i386,
233: mips64el, vax). Other address types (bare addresses "10.1.1.1" and
234: prefixes "10.1.1.1/30") are not affected.
1.3 jasper 235: <br>
1.57 deraadt 236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/013_pf.patch">
1.30 deraadt 237: A source code patch exists which remedies this problem.</a>
1.3 jasper 238: <p>
1.28 deraadt 239:
1.1 deraadt 240: </ul>
241:
1.35 tedu 242: <hr>
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