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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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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>,
1.64 ! tj 75: <br>
1.63 deraadt 76: <a href="errata69.html">6.9</a>.
1.1 deraadt 77: <hr>
78:
1.30 deraadt 79: <p>
1.48 tj 80: Patches for the OpenBSD base system are distributed as unified diffs.
81: Each patch contains usage instructions.
82: All the following patches are also available in one
83: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7.tar.gz">tar.gz file</a>
84: for convenience.
1.1 deraadt 85:
1.30 deraadt 86: <p>
1.48 tj 87: Patches for supported releases are also incorporated into the
1.49 tj 88: <a href="stable.html">-stable branch</a>.
1.30 deraadt 89:
1.1 deraadt 90: <hr>
91:
92: <ul>
1.57 deraadt 93:
94: <li id="p001_kerberos">
95: <strong>001: RELIABILITY FIX: March 31, 2010</strong>
96: <i>All architectures</i><br>
97: When decrypting packets, the internal decryption functions were not
98: paranoid enough in checking for underruns, which could potentially
99: lead to crashes.
1.20 sthen 100: <br>
1.57 deraadt 101: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/001_kerberos.patch">
1.30 deraadt 102: A source code patch exists which remedies this problem.</a>
1.20 sthen 103: <p>
104:
1.57 deraadt 105: <li id="p002_mpi">
106: <strong>002: RELIABILITY FIX: April 4, 2010</strong>
1.31 deraadt 107: <i>All architectures</i><br>
1.57 deraadt 108: When updating sensors showing the state of RAID volumes
109: <a href="https://man.openbsd.org/OpenBSD-4.7/mpi.4">mpi(4)</a>
110: allocates temporary memory and then returns it to the kernel as
111: device memory.
112: This causes kernel memory usage to be misrepresented, eventually
113: leading to a denial of service when a resource limit is apparently
114: reached.
1.20 sthen 115: <br>
1.57 deraadt 116: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch">
1.30 deraadt 117: A source code patch exists which remedies this problem.</a>
1.20 sthen 118: <p>
119:
1.57 deraadt 120: <li id="p003_openssl">
121: <strong>003: SECURITY FIX: April 14, 2010</strong>
1.31 deraadt 122: <i>All architectures</i><br>
1.57 deraadt 123: In TLS connections, certain incorrectly formatted records can cause
124: an OpenSSL client or server to crash due to a read attempt at NULL.
1.19 jsg 125: <br>
1.57 deraadt 126: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/003_openssl.patch">
1.30 deraadt 127: A source code patch exists which remedies this problem.</a>
1.19 jsg 128: <p>
129:
1.57 deraadt 130: <li id="p004_pfsync">
131: <strong>004: SECURITY FIX: April 23, 2010</strong>
1.31 deraadt 132: <i>All architectures</i><br>
1.57 deraadt 133: The combination of pfsync and IPSEC may crash the kernel.<br>
134: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/004_pfsync.patch">
1.30 deraadt 135: A source code patch exists which remedies this problem.</a>
1.18 jasper 136: <p>
137:
1.57 deraadt 138: <li id="p005_pfsync">
139: <strong>005: RELIABILITY FIX: May 14, 2010</strong>
1.31 deraadt 140: <i>All architectures</i><br>
1.57 deraadt 141: Incorrectly initialized state updates can cause pfsync update storms.
1.17 jasper 142: <br>
1.57 deraadt 143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/005_pfsync.patch">
1.30 deraadt 144: A source code patch exists which remedies this problem.</a>
1.17 jasper 145: <p>
146:
1.57 deraadt 147: <li id="p006_scsi">
148: <strong>006: RELIABILITY FIX: July 8, 2010</strong>
1.31 deraadt 149: <i>All architectures</i><br>
1.57 deraadt 150: Restore an unusual XS_SENSE semantic. Fixes dump(8)/restore(8) problems seen on certain tape drives.
1.16 jasper 151: <br>
1.57 deraadt 152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/006_scsi.patch">
1.30 deraadt 153: A source code patch exists which remedies this problem.</a>
1.16 jasper 154: <p>
155:
1.50 tb 156: <li id="p007_scsi">
1.56 bentley 157: <strong>007: RELIABILITY FIX: September 14, 2010</strong>
1.31 deraadt 158: <i>All architectures</i><br>
1.14 stephan 159: Avoid calling scsi_done() more than once in gdt(4). Fixes a kernel panic triggered by syncing disks during shut down.<br>
160: Clear the ITSDONE flag before issuing commands to the SCSI adapter. Fixes handling of retried SCSI commands.
161: <br>
1.47 tb 162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/007_scsi.patch">
1.30 deraadt 163: A source code patch exists which remedies this problem.</a>
1.14 stephan 164: <p>
165:
1.57 deraadt 166: <li id="p008_openssl">
167: <strong>008: RELIABILITY FIX: November 17, 2010</strong>
1.31 deraadt 168: <i>All architectures</i><br>
1.57 deraadt 169: Fix a flaw in the OpenSSL TLS server extension code parsing which could lead to
170: a buffer overflow. This affects OpenSSL based TLS servers which are multi-threaded
171: and use OpenSSL's internal caching mechanism. Servers that are multi-process
172: and/or disable internal session caching are not affected.
1.12 stephan 173: <br>
1.57 deraadt 174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/008_openssl.patch">
1.30 deraadt 175: A source code patch exists which remedies this problem.</a>
1.12 stephan 176: <p>
177:
1.57 deraadt 178: <li id="p009_pf">
179: <strong>009: SECURITY FIX: December 17, 2010</strong>
1.31 deraadt 180: <i>All architectures</i><br>
1.62 jsg 181: Insufficient initialization of the pf rule structure in the ioctl
1.57 deraadt 182: handler may allow userland to modify kernel memory. By default root
183: privileges are needed to add or modify pf rules.
1.10 stephan 184: <br>
1.57 deraadt 185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/009_pf.patch">
1.30 deraadt 186: A source code patch exists which remedies this problem.</a>
1.10 stephan 187: <p>
188:
1.57 deraadt 189: <li id="p010_cbc">
190: <strong>010: RELIABILITY FIX: December 20, 2010</strong>
1.31 deraadt 191: <i>All architectures</i><br>
1.57 deraadt 192: Bring CBC oracle attack countermeasures to hardware crypto accelerator land.
193: This fixes aes-ni, via xcrypt and various drivers
194: (<a href="https://man.openbsd.org/OpenBSD-4.7/glxsb.4">glxsb(4)</a>,
195: <a href="https://man.openbsd.org/OpenBSD-4.7/hifn.4">hifn(4)</a>,
196: <a href="https://man.openbsd.org/OpenBSD-4.7/safe.4">safe(4)</a>
197: and
198: <a href="https://man.openbsd.org/OpenBSD-4.7/ubsec.4">ubsec(4)</a>).
199: <br>
200: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/010_cbc.patch">
1.30 deraadt 201: A source code patch exists which remedies this problem.</a>
1.9 pyr 202: <p>
203:
1.57 deraadt 204: <li id="p011_rtsock">
205: <strong>011: RELIABILITY FIX: January 13, 2011</strong>
1.31 deraadt 206: <i>All architectures</i><br>
1.57 deraadt 207: sp_protocol in RTM_DELETE messages could contain garbage values
208: leading to routing socket users that restrict the AF (such as ospfd)
209: not seeing any of the RTM_DELETE messages.
1.8 jasper 210: <br>
1.57 deraadt 211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/011_rtsock.patch">
1.30 deraadt 212: A source code patch exists which remedies this problem.</a>
1.8 jasper 213: <p>
1.7 jasper 214:
1.57 deraadt 215: <li id="p012_openssl">
216: <strong>012: SECURITY FIX: February 11, 2011</strong>
1.31 deraadt 217: <i>All architectures</i><br>
1.57 deraadt 218: An incorrectly formatted ClientHello handshake message could cause
219: OpenSSL to parse past the end of the message. An attacker could use this flaw
220: to trigger an invalid memory access, causing a crash of an application linked
221: to OpenSSL. As well, certain applications may expose the contents of parsed
222: OCSP extensions, specifically the OCSP nonce extension.
223: <p>
224: Applications are only affected if they act as a server and call
225: SSL_CTX_set_tlsext_status_cb on the server's SSL_CTX. It is believed
226: that nothing in the base OS uses this. Apache httpd started using this
227: in v2.3.3; this is newer than the version in ports.
1.4 dlg 228: <br>
1.57 deraadt 229: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/012_openssl.patch">
1.30 deraadt 230: A source code patch exists which remedies this problem.</a>
1.4 dlg 231: <p>
232:
1.57 deraadt 233: <li id="p013_pf">
234: <strong>013: SECURITY FIX: February 16, 2011</strong>
235: <i>Little-endian architectures</i><br>
236: PF rules specifying address ranges (e.g. "10.1.1.1 - 10.1.1.5") were
237: not correctly handled on little-endian systems (alpha, amd64, arm, i386,
238: mips64el, vax). Other address types (bare addresses "10.1.1.1" and
239: prefixes "10.1.1.1/30") are not affected.
1.3 jasper 240: <br>
1.57 deraadt 241: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/013_pf.patch">
1.30 deraadt 242: A source code patch exists which remedies this problem.</a>
1.3 jasper 243: <p>
1.28 deraadt 244:
1.1 deraadt 245: </ul>
246:
1.35 tedu 247: <hr>