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1.44 tj 5: <title>OpenBSD 4.7 Errata</title>
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1.1 deraadt 10:
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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15:
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>,
1.61 deraadt 73: <a href="errata67.html">6.7</a>,
1.63 ! deraadt 74: <a href="errata68.html">6.8</a>,
! 75: <a href="errata69.html">6.9</a>.
1.1 deraadt 76: <hr>
77:
1.30 deraadt 78: <p>
1.48 tj 79: Patches for the OpenBSD base system are distributed as unified diffs.
80: Each patch contains usage instructions.
81: All the following patches are also available in one
82: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7.tar.gz">tar.gz file</a>
83: for convenience.
1.1 deraadt 84:
1.30 deraadt 85: <p>
1.48 tj 86: Patches for supported releases are also incorporated into the
1.49 tj 87: <a href="stable.html">-stable branch</a>.
1.30 deraadt 88:
1.1 deraadt 89: <hr>
90:
91: <ul>
1.57 deraadt 92:
93: <li id="p001_kerberos">
94: <strong>001: RELIABILITY FIX: March 31, 2010</strong>
95: <i>All architectures</i><br>
96: When decrypting packets, the internal decryption functions were not
97: paranoid enough in checking for underruns, which could potentially
98: lead to crashes.
1.20 sthen 99: <br>
1.57 deraadt 100: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/001_kerberos.patch">
1.30 deraadt 101: A source code patch exists which remedies this problem.</a>
1.20 sthen 102: <p>
103:
1.57 deraadt 104: <li id="p002_mpi">
105: <strong>002: RELIABILITY FIX: April 4, 2010</strong>
1.31 deraadt 106: <i>All architectures</i><br>
1.57 deraadt 107: When updating sensors showing the state of RAID volumes
108: <a href="https://man.openbsd.org/OpenBSD-4.7/mpi.4">mpi(4)</a>
109: allocates temporary memory and then returns it to the kernel as
110: device memory.
111: This causes kernel memory usage to be misrepresented, eventually
112: leading to a denial of service when a resource limit is apparently
113: reached.
1.20 sthen 114: <br>
1.57 deraadt 115: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch">
1.30 deraadt 116: A source code patch exists which remedies this problem.</a>
1.20 sthen 117: <p>
118:
1.57 deraadt 119: <li id="p003_openssl">
120: <strong>003: SECURITY FIX: April 14, 2010</strong>
1.31 deraadt 121: <i>All architectures</i><br>
1.57 deraadt 122: In TLS connections, certain incorrectly formatted records can cause
123: an OpenSSL client or server to crash due to a read attempt at NULL.
1.19 jsg 124: <br>
1.57 deraadt 125: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/003_openssl.patch">
1.30 deraadt 126: A source code patch exists which remedies this problem.</a>
1.19 jsg 127: <p>
128:
1.57 deraadt 129: <li id="p004_pfsync">
130: <strong>004: SECURITY FIX: April 23, 2010</strong>
1.31 deraadt 131: <i>All architectures</i><br>
1.57 deraadt 132: The combination of pfsync and IPSEC may crash the kernel.<br>
133: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/004_pfsync.patch">
1.30 deraadt 134: A source code patch exists which remedies this problem.</a>
1.18 jasper 135: <p>
136:
1.57 deraadt 137: <li id="p005_pfsync">
138: <strong>005: RELIABILITY FIX: May 14, 2010</strong>
1.31 deraadt 139: <i>All architectures</i><br>
1.57 deraadt 140: Incorrectly initialized state updates can cause pfsync update storms.
1.17 jasper 141: <br>
1.57 deraadt 142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/005_pfsync.patch">
1.30 deraadt 143: A source code patch exists which remedies this problem.</a>
1.17 jasper 144: <p>
145:
1.57 deraadt 146: <li id="p006_scsi">
147: <strong>006: RELIABILITY FIX: July 8, 2010</strong>
1.31 deraadt 148: <i>All architectures</i><br>
1.57 deraadt 149: Restore an unusual XS_SENSE semantic. Fixes dump(8)/restore(8) problems seen on certain tape drives.
1.16 jasper 150: <br>
1.57 deraadt 151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/006_scsi.patch">
1.30 deraadt 152: A source code patch exists which remedies this problem.</a>
1.16 jasper 153: <p>
154:
1.50 tb 155: <li id="p007_scsi">
1.56 bentley 156: <strong>007: RELIABILITY FIX: September 14, 2010</strong>
1.31 deraadt 157: <i>All architectures</i><br>
1.14 stephan 158: Avoid calling scsi_done() more than once in gdt(4). Fixes a kernel panic triggered by syncing disks during shut down.<br>
159: Clear the ITSDONE flag before issuing commands to the SCSI adapter. Fixes handling of retried SCSI commands.
160: <br>
1.47 tb 161: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/007_scsi.patch">
1.30 deraadt 162: A source code patch exists which remedies this problem.</a>
1.14 stephan 163: <p>
164:
1.57 deraadt 165: <li id="p008_openssl">
166: <strong>008: RELIABILITY FIX: November 17, 2010</strong>
1.31 deraadt 167: <i>All architectures</i><br>
1.57 deraadt 168: Fix a flaw in the OpenSSL TLS server extension code parsing which could lead to
169: a buffer overflow. This affects OpenSSL based TLS servers which are multi-threaded
170: and use OpenSSL's internal caching mechanism. Servers that are multi-process
171: and/or disable internal session caching are not affected.
1.12 stephan 172: <br>
1.57 deraadt 173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/008_openssl.patch">
1.30 deraadt 174: A source code patch exists which remedies this problem.</a>
1.12 stephan 175: <p>
176:
1.57 deraadt 177: <li id="p009_pf">
178: <strong>009: SECURITY FIX: December 17, 2010</strong>
1.31 deraadt 179: <i>All architectures</i><br>
1.62 jsg 180: Insufficient initialization of the pf rule structure in the ioctl
1.57 deraadt 181: handler may allow userland to modify kernel memory. By default root
182: privileges are needed to add or modify pf rules.
1.10 stephan 183: <br>
1.57 deraadt 184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/009_pf.patch">
1.30 deraadt 185: A source code patch exists which remedies this problem.</a>
1.10 stephan 186: <p>
187:
1.57 deraadt 188: <li id="p010_cbc">
189: <strong>010: RELIABILITY FIX: December 20, 2010</strong>
1.31 deraadt 190: <i>All architectures</i><br>
1.57 deraadt 191: Bring CBC oracle attack countermeasures to hardware crypto accelerator land.
192: This fixes aes-ni, via xcrypt and various drivers
193: (<a href="https://man.openbsd.org/OpenBSD-4.7/glxsb.4">glxsb(4)</a>,
194: <a href="https://man.openbsd.org/OpenBSD-4.7/hifn.4">hifn(4)</a>,
195: <a href="https://man.openbsd.org/OpenBSD-4.7/safe.4">safe(4)</a>
196: and
197: <a href="https://man.openbsd.org/OpenBSD-4.7/ubsec.4">ubsec(4)</a>).
198: <br>
199: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/010_cbc.patch">
1.30 deraadt 200: A source code patch exists which remedies this problem.</a>
1.9 pyr 201: <p>
202:
1.57 deraadt 203: <li id="p011_rtsock">
204: <strong>011: RELIABILITY FIX: January 13, 2011</strong>
1.31 deraadt 205: <i>All architectures</i><br>
1.57 deraadt 206: sp_protocol in RTM_DELETE messages could contain garbage values
207: leading to routing socket users that restrict the AF (such as ospfd)
208: not seeing any of the RTM_DELETE messages.
1.8 jasper 209: <br>
1.57 deraadt 210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/011_rtsock.patch">
1.30 deraadt 211: A source code patch exists which remedies this problem.</a>
1.8 jasper 212: <p>
1.7 jasper 213:
1.57 deraadt 214: <li id="p012_openssl">
215: <strong>012: SECURITY FIX: February 11, 2011</strong>
1.31 deraadt 216: <i>All architectures</i><br>
1.57 deraadt 217: An incorrectly formatted ClientHello handshake message could cause
218: OpenSSL to parse past the end of the message. An attacker could use this flaw
219: to trigger an invalid memory access, causing a crash of an application linked
220: to OpenSSL. As well, certain applications may expose the contents of parsed
221: OCSP extensions, specifically the OCSP nonce extension.
222: <p>
223: Applications are only affected if they act as a server and call
224: SSL_CTX_set_tlsext_status_cb on the server's SSL_CTX. It is believed
225: that nothing in the base OS uses this. Apache httpd started using this
226: in v2.3.3; this is newer than the version in ports.
1.4 dlg 227: <br>
1.57 deraadt 228: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/012_openssl.patch">
1.30 deraadt 229: A source code patch exists which remedies this problem.</a>
1.4 dlg 230: <p>
231:
1.57 deraadt 232: <li id="p013_pf">
233: <strong>013: SECURITY FIX: February 16, 2011</strong>
234: <i>Little-endian architectures</i><br>
235: PF rules specifying address ranges (e.g. "10.1.1.1 - 10.1.1.5") were
236: not correctly handled on little-endian systems (alpha, amd64, arm, i386,
237: mips64el, vax). Other address types (bare addresses "10.1.1.1" and
238: prefixes "10.1.1.1/30") are not affected.
1.3 jasper 239: <br>
1.57 deraadt 240: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/013_pf.patch">
1.30 deraadt 241: A source code patch exists which remedies this problem.</a>
1.3 jasper 242: <p>
1.28 deraadt 243:
1.1 deraadt 244: </ul>
245:
1.35 tedu 246: <hr>