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1.44 tj 5: <title>OpenBSD 4.7 Errata</title>
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1.33 deraadt 11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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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>
1.59 schwarze 25: <a href="errata20.html">2.0</a>,
1.1 deraadt 26: <a href="errata21.html">2.1</a>,
27: <a href="errata22.html">2.2</a>,
28: <a href="errata23.html">2.3</a>,
29: <a href="errata24.html">2.4</a>,
30: <a href="errata25.html">2.5</a>,
31: <a href="errata26.html">2.6</a>,
32: <a href="errata27.html">2.7</a>,
33: <a href="errata28.html">2.8</a>,
34: <a href="errata29.html">2.9</a>,
35: <a href="errata30.html">3.0</a>,
36: <a href="errata31.html">3.1</a>,
37: <a href="errata32.html">3.2</a>,
38: <a href="errata33.html">3.3</a>,
39: <a href="errata34.html">3.4</a>,
40: <a href="errata35.html">3.5</a>,
1.59 schwarze 41: <br>
1.1 deraadt 42: <a href="errata36.html">3.6</a>,
43: <a href="errata37.html">3.7</a>,
44: <a href="errata38.html">3.8</a>,
45: <a href="errata39.html">3.9</a>,
46: <a href="errata40.html">4.0</a>,
47: <a href="errata41.html">4.1</a>,
48: <a href="errata42.html">4.2</a>,
49: <a href="errata43.html">4.3</a>,
50: <a href="errata44.html">4.4</a>,
51: <a href="errata45.html">4.5</a>,
1.15 deraadt 52: <a href="errata46.html">4.6</a>,
1.21 miod 53: <a href="errata48.html">4.8</a>,
1.22 nick 54: <a href="errata49.html">4.9</a>,
1.23 sthen 55: <a href="errata50.html">5.0</a>,
1.24 deraadt 56: <a href="errata51.html">5.1</a>,
1.25 deraadt 57: <a href="errata52.html">5.2</a>,
1.59 schwarze 58: <br>
1.26 deraadt 59: <a href="errata53.html">5.3</a>,
1.27 deraadt 60: <a href="errata54.html">5.4</a>,
1.32 jsg 61: <a href="errata55.html">5.5</a>,
1.36 deraadt 62: <a href="errata56.html">5.6</a>,
1.39 deraadt 63: <a href="errata57.html">5.7</a>,
1.40 deraadt 64: <a href="errata58.html">5.8</a>,
1.45 deraadt 65: <a href="errata59.html">5.9</a>,
1.48 tj 66: <a href="errata60.html">6.0</a>,
1.52 deraadt 67: <a href="errata61.html">6.1</a>,
1.53 deraadt 68: <a href="errata62.html">6.2</a>,
1.54 deraadt 69: <a href="errata63.html">6.3</a>,
1.55 deraadt 70: <a href="errata64.html">6.4</a>,
1.58 deraadt 71: <a href="errata65.html">6.5</a>,
1.60 ! deraadt 72: <a href="errata66.html">6.6</a>,
! 73: <a href="errata67.html">6.7</a>.
1.1 deraadt 74: <hr>
75:
1.30 deraadt 76: <p>
1.48 tj 77: Patches for the OpenBSD base system are distributed as unified diffs.
78: Each patch contains usage instructions.
79: All the following patches are also available in one
80: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7.tar.gz">tar.gz file</a>
81: for convenience.
1.1 deraadt 82:
1.30 deraadt 83: <p>
1.48 tj 84: Patches for supported releases are also incorporated into the
1.49 tj 85: <a href="stable.html">-stable branch</a>.
1.30 deraadt 86:
1.1 deraadt 87: <hr>
88:
89: <ul>
1.57 deraadt 90:
91: <li id="p001_kerberos">
92: <strong>001: RELIABILITY FIX: March 31, 2010</strong>
93: <i>All architectures</i><br>
94: When decrypting packets, the internal decryption functions were not
95: paranoid enough in checking for underruns, which could potentially
96: lead to crashes.
1.20 sthen 97: <br>
1.57 deraadt 98: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/001_kerberos.patch">
1.30 deraadt 99: A source code patch exists which remedies this problem.</a>
1.20 sthen 100: <p>
101:
1.57 deraadt 102: <li id="p002_mpi">
103: <strong>002: RELIABILITY FIX: April 4, 2010</strong>
1.31 deraadt 104: <i>All architectures</i><br>
1.57 deraadt 105: When updating sensors showing the state of RAID volumes
106: <a href="https://man.openbsd.org/OpenBSD-4.7/mpi.4">mpi(4)</a>
107: allocates temporary memory and then returns it to the kernel as
108: device memory.
109: This causes kernel memory usage to be misrepresented, eventually
110: leading to a denial of service when a resource limit is apparently
111: reached.
1.20 sthen 112: <br>
1.57 deraadt 113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch">
1.30 deraadt 114: A source code patch exists which remedies this problem.</a>
1.20 sthen 115: <p>
116:
1.57 deraadt 117: <li id="p003_openssl">
118: <strong>003: SECURITY FIX: April 14, 2010</strong>
1.31 deraadt 119: <i>All architectures</i><br>
1.57 deraadt 120: In TLS connections, certain incorrectly formatted records can cause
121: an OpenSSL client or server to crash due to a read attempt at NULL.
1.19 jsg 122: <br>
1.57 deraadt 123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/003_openssl.patch">
1.30 deraadt 124: A source code patch exists which remedies this problem.</a>
1.19 jsg 125: <p>
126:
1.57 deraadt 127: <li id="p004_pfsync">
128: <strong>004: SECURITY FIX: April 23, 2010</strong>
1.31 deraadt 129: <i>All architectures</i><br>
1.57 deraadt 130: The combination of pfsync and IPSEC may crash the kernel.<br>
131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/004_pfsync.patch">
1.30 deraadt 132: A source code patch exists which remedies this problem.</a>
1.18 jasper 133: <p>
134:
1.57 deraadt 135: <li id="p005_pfsync">
136: <strong>005: RELIABILITY FIX: May 14, 2010</strong>
1.31 deraadt 137: <i>All architectures</i><br>
1.57 deraadt 138: Incorrectly initialized state updates can cause pfsync update storms.
1.17 jasper 139: <br>
1.57 deraadt 140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/005_pfsync.patch">
1.30 deraadt 141: A source code patch exists which remedies this problem.</a>
1.17 jasper 142: <p>
143:
1.57 deraadt 144: <li id="p006_scsi">
145: <strong>006: RELIABILITY FIX: July 8, 2010</strong>
1.31 deraadt 146: <i>All architectures</i><br>
1.57 deraadt 147: Restore an unusual XS_SENSE semantic. Fixes dump(8)/restore(8) problems seen on certain tape drives.
1.16 jasper 148: <br>
1.57 deraadt 149: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/006_scsi.patch">
1.30 deraadt 150: A source code patch exists which remedies this problem.</a>
1.16 jasper 151: <p>
152:
1.50 tb 153: <li id="p007_scsi">
1.56 bentley 154: <strong>007: RELIABILITY FIX: September 14, 2010</strong>
1.31 deraadt 155: <i>All architectures</i><br>
1.14 stephan 156: Avoid calling scsi_done() more than once in gdt(4). Fixes a kernel panic triggered by syncing disks during shut down.<br>
157: Clear the ITSDONE flag before issuing commands to the SCSI adapter. Fixes handling of retried SCSI commands.
158: <br>
1.47 tb 159: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/007_scsi.patch">
1.30 deraadt 160: A source code patch exists which remedies this problem.</a>
1.14 stephan 161: <p>
162:
1.57 deraadt 163: <li id="p008_openssl">
164: <strong>008: RELIABILITY FIX: November 17, 2010</strong>
1.31 deraadt 165: <i>All architectures</i><br>
1.57 deraadt 166: Fix a flaw in the OpenSSL TLS server extension code parsing which could lead to
167: a buffer overflow. This affects OpenSSL based TLS servers which are multi-threaded
168: and use OpenSSL's internal caching mechanism. Servers that are multi-process
169: and/or disable internal session caching are not affected.
1.12 stephan 170: <br>
1.57 deraadt 171: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/008_openssl.patch">
1.30 deraadt 172: A source code patch exists which remedies this problem.</a>
1.12 stephan 173: <p>
174:
1.57 deraadt 175: <li id="p009_pf">
176: <strong>009: SECURITY FIX: December 17, 2010</strong>
1.31 deraadt 177: <i>All architectures</i><br>
1.57 deraadt 178: Insufficent initialization of the pf rule structure in the ioctl
179: handler may allow userland to modify kernel memory. By default root
180: privileges are needed to add or modify pf rules.
1.10 stephan 181: <br>
1.57 deraadt 182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/009_pf.patch">
1.30 deraadt 183: A source code patch exists which remedies this problem.</a>
1.10 stephan 184: <p>
185:
1.57 deraadt 186: <li id="p010_cbc">
187: <strong>010: RELIABILITY FIX: December 20, 2010</strong>
1.31 deraadt 188: <i>All architectures</i><br>
1.57 deraadt 189: Bring CBC oracle attack countermeasures to hardware crypto accelerator land.
190: This fixes aes-ni, via xcrypt and various drivers
191: (<a href="https://man.openbsd.org/OpenBSD-4.7/glxsb.4">glxsb(4)</a>,
192: <a href="https://man.openbsd.org/OpenBSD-4.7/hifn.4">hifn(4)</a>,
193: <a href="https://man.openbsd.org/OpenBSD-4.7/safe.4">safe(4)</a>
194: and
195: <a href="https://man.openbsd.org/OpenBSD-4.7/ubsec.4">ubsec(4)</a>).
196: <br>
197: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/010_cbc.patch">
1.30 deraadt 198: A source code patch exists which remedies this problem.</a>
1.9 pyr 199: <p>
200:
1.57 deraadt 201: <li id="p011_rtsock">
202: <strong>011: RELIABILITY FIX: January 13, 2011</strong>
1.31 deraadt 203: <i>All architectures</i><br>
1.57 deraadt 204: sp_protocol in RTM_DELETE messages could contain garbage values
205: leading to routing socket users that restrict the AF (such as ospfd)
206: not seeing any of the RTM_DELETE messages.
1.8 jasper 207: <br>
1.57 deraadt 208: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/011_rtsock.patch">
1.30 deraadt 209: A source code patch exists which remedies this problem.</a>
1.8 jasper 210: <p>
1.7 jasper 211:
1.57 deraadt 212: <li id="p012_openssl">
213: <strong>012: SECURITY FIX: February 11, 2011</strong>
1.31 deraadt 214: <i>All architectures</i><br>
1.57 deraadt 215: An incorrectly formatted ClientHello handshake message could cause
216: OpenSSL to parse past the end of the message. An attacker could use this flaw
217: to trigger an invalid memory access, causing a crash of an application linked
218: to OpenSSL. As well, certain applications may expose the contents of parsed
219: OCSP extensions, specifically the OCSP nonce extension.
220: <p>
221: Applications are only affected if they act as a server and call
222: SSL_CTX_set_tlsext_status_cb on the server's SSL_CTX. It is believed
223: that nothing in the base OS uses this. Apache httpd started using this
224: in v2.3.3; this is newer than the version in ports.
1.4 dlg 225: <br>
1.57 deraadt 226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/012_openssl.patch">
1.30 deraadt 227: A source code patch exists which remedies this problem.</a>
1.4 dlg 228: <p>
229:
1.57 deraadt 230: <li id="p013_pf">
231: <strong>013: SECURITY FIX: February 16, 2011</strong>
232: <i>Little-endian architectures</i><br>
233: PF rules specifying address ranges (e.g. "10.1.1.1 - 10.1.1.5") were
234: not correctly handled on little-endian systems (alpha, amd64, arm, i386,
235: mips64el, vax). Other address types (bare addresses "10.1.1.1" and
236: prefixes "10.1.1.1/30") are not affected.
1.3 jasper 237: <br>
1.57 deraadt 238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/013_pf.patch">
1.30 deraadt 239: A source code patch exists which remedies this problem.</a>
1.3 jasper 240: <p>
1.28 deraadt 241:
1.1 deraadt 242: </ul>
243:
1.35 tedu 244: <hr>