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1.1 deraadt 16:
1.71 bentley 17: <h2 id=OpenBSD>
1.57 deraadt 18: <a href="index.html">
1.71 bentley 19: <i>Open</i><b>BSD</b></a>
20: 3.8 Errata
1.59 tj 21: </h2>
1.57 deraadt 22: <hr>
1.1 deraadt 23:
24: For errata on a certain release, click below:<br>
1.74 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>,
1.74 schwarze 41: <br>
1.1 deraadt 42: <a href="errata36.html">3.6</a>,
43: <a href="errata37.html">3.7</a>,
1.22 deraadt 44: <a href="errata39.html">3.9</a>,
1.23 deraadt 45: <a href="errata40.html">4.0</a>,
1.25 merdely 46: <a href="errata41.html">4.1</a>,
1.26 deraadt 47: <a href="errata42.html">4.2</a>,
1.27 deraadt 48: <a href="errata43.html">4.3</a>,
1.29 deraadt 49: <a href="errata44.html">4.4</a>,
1.30 deraadt 50: <a href="errata45.html">4.5</a>,
1.31 deraadt 51: <a href="errata46.html">4.6</a>,
1.33 deraadt 52: <a href="errata47.html">4.7</a>,
1.35 miod 53: <a href="errata48.html">4.8</a>,
1.36 nick 54: <a href="errata49.html">4.9</a>,
1.37 sthen 55: <a href="errata50.html">5.0</a>,
1.38 deraadt 56: <a href="errata51.html">5.1</a>,
1.39 deraadt 57: <a href="errata52.html">5.2</a>,
1.74 schwarze 58: <br>
1.40 deraadt 59: <a href="errata53.html">5.3</a>,
1.41 deraadt 60: <a href="errata54.html">5.4</a>,
1.46 jsg 61: <a href="errata55.html">5.5</a>,
1.50 deraadt 62: <a href="errata56.html">5.6</a>,
1.53 deraadt 63: <a href="errata57.html">5.7</a>,
1.54 deraadt 64: <a href="errata58.html">5.8</a>,
1.60 deraadt 65: <a href="errata59.html">5.9</a>,
1.63 tj 66: <a href="errata60.html">6.0</a>,
1.67 deraadt 67: <a href="errata61.html">6.1</a>,
1.68 deraadt 68: <a href="errata62.html">6.2</a>,
1.69 deraadt 69: <a href="errata63.html">6.3</a>,
1.70 deraadt 70: <a href="errata64.html">6.4</a>,
1.73 deraadt 71: <a href="errata65.html">6.5</a>,
1.75 deraadt 72: <a href="errata66.html">6.6</a>,
1.76 deraadt 73: <a href="errata67.html">6.7</a>,
1.78 deraadt 74: <a href="errata68.html">6.8</a>,
1.79 tj 75: <br>
1.80 deraadt 76: <a href="errata69.html">6.9</a>,
1.81 ! deraadt 77: <a href="errata70.html">7.0</a>,
! 78: <a href="errata71.html">7.1</a>.
1.1 deraadt 79: <hr>
80:
1.44 deraadt 81: <p>
1.63 tj 82: Patches for the OpenBSD base system are distributed as unified diffs.
83: Each patch contains usage instructions.
84: All the following patches are also available in one
85: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8.tar.gz">tar.gz file</a>
86: for convenience.
1.1 deraadt 87:
1.44 deraadt 88: <p>
1.63 tj 89: Patches for supported releases are also incorporated into the
1.64 tj 90: <a href="stable.html">-stable branch</a>.
1.44 deraadt 91:
1.1 deraadt 92: <hr>
93:
94: <ul>
95:
1.72 deraadt 96: <li id="perl">
97: <strong>001: SECURITY FIX: January 5, 2006</strong>
1.45 deraadt 98: <i>All architectures</i><br>
1.72 deraadt 99: A buffer overflow has been found in the Perl interpreter with the sprintf function which
100: may be exploitable under certain conditions.
1.19 brad 101: <br>
1.72 deraadt 102: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/001_perl.patch">
1.44 deraadt 103: A source code patch exists which remedies this problem.</a>
1.19 brad 104: <p>
105:
1.72 deraadt 106: <li id="fd">
107: <strong>002: SECURITY FIX: January 5, 2006</strong>
1.45 deraadt 108: <i>All architectures</i><br>
1.72 deraadt 109: Do not allow users to trick suid programs into re-opening files via /dev/fd.
110: <br>
111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/002_fd.patch">
112: A source code patch exists which remedies this problem.</a>
113: <p>
114:
115: <li id="i386pmap">
116: <strong>003: RELIABILITY FIX: January 13, 2006</strong>
117: <i>i386 architecture</i><br>
118: Change the implementation of i386 W^X so that the "execute line" can move around.
119: Before it was limited to being either at 512MB (below which all code normally
120: lands) or at the top of the stack. Now the line can float as
121: <a href="https://man.openbsd.org/OpenBSD-3.8/mprotect.2">mprotect(2)</a>
122: and
123: <a href="https://man.openbsd.org/OpenBSD-3.8/mmap.2">mmap(2)</a>
124: requests need it to. This is now implemented using only GDT selectors
125: instead of the LDT so that it is more robust as well.
1.17 brad 126: <br>
1.72 deraadt 127: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/i386/003_i386pmap.patch">
1.44 deraadt 128: A source code patch exists which remedies this problem.</a>
1.17 brad 129: <p>
130:
1.72 deraadt 131: <li id="i386machdep">
132: <strong>004: RELIABILITY FIX: January 13, 2006</strong>
133: <i>i386 architecture</i><br>
134: Constrain
135: <a href="https://man.openbsd.org/OpenBSD-3.8/i386/i386_set_ioperm.2">i386_set_ioperm(2)</a>
136: so even root is blocked from accessing the ioports
137: unless the machine is running at lower securelevels or with an open X11 aperture.
1.17 brad 138: <br>
1.72 deraadt 139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/i386/004_i386machdep.patch">
1.44 deraadt 140: A source code patch exists which remedies this problem.</a>
1.17 brad 141: <p>
142:
1.72 deraadt 143: <li id="ssh">
144: <strong>005: SECURITY FIX: February 12, 2006</strong>
1.45 deraadt 145: <i>All architectures</i><br>
1.72 deraadt 146: Josh Bressers has reported a weakness in OpenSSH caused due to the insecure use of the
147: <a href="https://man.openbsd.org/OpenBSD-3.8/system.3">system(3)</a>
148: function in
149: <a href="https://man.openbsd.org/OpenBSD-3.8/scp.1">scp(1)</a>
150: when performing copy operations using filenames that are supplied by the user from the command line.
151: This can be exploited to execute shell commands with privileges of the user running
152: <a href="https://man.openbsd.org/OpenBSD-3.8/scp.1">scp(1)</a>.
1.17 brad 153: <br>
1.72 deraadt 154: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/005_ssh.patch">
1.44 deraadt 155: A source code patch exists which remedies this problem.</a>
1.17 brad 156: <p>
157:
1.72 deraadt 158: <li id="sendmail">
159: <strong>006: SECURITY FIX: March 25, 2006</strong>
1.45 deraadt 160: <i>All architectures</i><br>
1.72 deraadt 161: A race condition has been reported to exist in the handling by sendmail of
162: asynchronous signals. A remote attacker may be able to execute arbitrary code with the
163: privileges of the user running sendmail, typically root.
1.13 brad 164: <br>
1.72 deraadt 165: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/006_sendmail.patch">
1.44 deraadt 166: A source code patch exists which remedies this problem.</a>
1.13 brad 167: <p>
168:
1.72 deraadt 169: <li id="xorg">
170: <strong>007: SECURITY FIX: May 2, 2006</strong>
1.45 deraadt 171: <i>All architectures</i><br>
1.72 deraadt 172: A security vulnerability has been found in the X.Org server --
173: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1526">CVE-2006-1526</a>.
174: Clients authorized to connect to the X server are able to crash it and to execute
175: malicious code within the X server.
1.12 brad 176: <br>
1.72 deraadt 177: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/007_xorg.patch">
1.44 deraadt 178: A source code patch exists which remedies this problem.</a>
1.12 brad 179: <p>
180:
1.72 deraadt 181: <li id="sendmail2">
182: <strong>008: SECURITY FIX: June 15, 2006</strong>
1.45 deraadt 183: <i>All architectures</i><br>
1.72 deraadt 184: A potential denial of service problem has been found in sendmail. A malformed MIME
185: message could trigger excessive recursion which will lead to stack exhaustion.
186: This denial of service attack only affects delivery of mail from the queue and
187: delivery of a malformed message. Other incoming mail is still accepted and
188: delivered. However, mail messages in the queue may not be reattempted if a
189: malformed MIME message exists.
1.11 brad 190: <br>
1.72 deraadt 191: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/008_sendmail2.patch">
1.44 deraadt 192: A source code patch exists which remedies this problem.</a>
1.11 brad 193: <p>
194:
1.72 deraadt 195: <li id="httpd">
196: <strong>009: SECURITY FIX: July 30, 2006</strong>
1.45 deraadt 197: <i>All architectures</i><br>
1.72 deraadt 198: <a href="https://man.openbsd.org/OpenBSD-3.8/httpd.8">httpd(8)</a>'s
199: mod_rewrite has a potentially exploitable off-by-one buffer overflow.
200: The buffer overflow may result in a vulnerability which, in combination
201: with certain types of Rewrite rules in the web server configuration files,
202: could be triggered remotely. The default install is not affected by the
203: buffer overflow. CVE-2006-3747
1.10 brad 204: <br>
1.72 deraadt 205: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/009_httpd.patch">
1.44 deraadt 206: A source code patch exists which remedies this problem.</a>
1.10 brad 207: <p>
208:
1.72 deraadt 209: <li id="sendmail3">
210: <strong>010: SECURITY FIX: August 25, 2006</strong>
1.45 deraadt 211: <i>All architectures</i><br>
1.72 deraadt 212: A potential denial of service problem has been found in sendmail. A message
213: with really long header lines could trigger a use-after-free bug causing
214: sendmail to crash.
1.10 brad 215: <br>
1.72 deraadt 216: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/010_sendmail3.patch">
1.44 deraadt 217: A source code patch exists which remedies this problem.</a>
1.10 brad 218: <p>
219:
1.48 bentley 220: <li id="dhcpd">
1.71 bentley 221: <strong>011: SECURITY FIX: August 25, 2006</strong>
1.45 deraadt 222: <i>All architectures</i><br>
1.10 brad 223: Due to an off-by-one error in
1.66 tb 224: <a href="https://man.openbsd.org/OpenBSD-3.8/dhcpd.8">dhcpd(8)</a>,
1.10 brad 225: it is possible to cause
1.66 tb 226: <a href="https://man.openbsd.org/OpenBSD-3.8/dhcpd.8">dhcpd(8)</a>
1.10 brad 227: to exit by sending a DHCPDISCOVER packet with a 32-byte client identifier option.
228: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3122">CVE-2006-3122</a>
229: <br>
1.62 tb 230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/011_dhcpd.patch">
1.44 deraadt 231: A source code patch exists which remedies this problem.</a>
1.10 brad 232: <p>
233:
1.72 deraadt 234: <li id="sem">
235: <strong>012: SECURITY FIX: August 25, 2006</strong>
1.45 deraadt 236: <i>All architectures</i><br>
1.72 deraadt 237: It is possible to cause the kernel to panic when more than the default number of
1.77 jsg 238: semaphores have been allocated.
1.10 brad 239: <br>
1.72 deraadt 240: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/012_sem.patch">
1.44 deraadt 241: A source code patch exists which remedies this problem.</a>
1.10 brad 242: <p>
243:
1.72 deraadt 244: <li id="isakmpd">
245: <strong>013: SECURITY FIX: August 25, 2006</strong>
1.45 deraadt 246: <i>All architectures</i><br>
1.72 deraadt 247: A problem in
248: <a href="https://man.openbsd.org/OpenBSD-3.8/isakmpd.8">isakmpd(8)</a>
249: caused IPsec to run partly without replay protection. If
250: <a href="https://man.openbsd.org/OpenBSD-3.8/isakmpd.8">isakmpd(8)</a>
251: was acting as responder during SA negotiation, SA's with a replay window of size 0 were created.
252: An attacker could reinject sniffed IPsec packets, which will be accepted without checking the
253: replay counter.
1.9 brad 254: <br>
1.72 deraadt 255: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/013_isakmpd.patch">
1.44 deraadt 256: A source code patch exists which remedies this problem.</a>
1.9 brad 257: <p>
258:
1.72 deraadt 259: <li id="sppp">
260: <strong>014: SECURITY FIX: September 2, 2006</strong>
1.45 deraadt 261: <i>All architectures</i><br>
1.72 deraadt 262: Due to the failure to correctly validate LCP configuration option lengths,
263: it is possible for an attacker to send LCP packets via an
264: <a href="https://man.openbsd.org/OpenBSD-3.8/sppp.4">sppp(4)</a>
265: connection causing the kernel to panic.
266: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4304">CVE-2006-4304</a>
1.7 brad 267: <br>
1.72 deraadt 268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/014_sppp.patch">
1.44 deraadt 269: A source code patch exists which remedies this problem.</a>
1.7 brad 270: <p>
271:
1.72 deraadt 272: <li id="bind">
273: <strong>015: SECURITY FIX: September 8, 2006</strong>
1.45 deraadt 274: <i>All architectures</i><br>
1.72 deraadt 275: Two Denial of Service issues have been found with BIND.
276: An attacker who can perform recursive lookups on a DNS server and is able
277: to send a sufficiently large number of recursive queries, or is able to
278: get the DNS server to return more than one SIG(covered) RRsets can stop
279: the functionality of the DNS service.
280: An attacker querying an authoritative DNS server serving a RFC 2535
281: DNSSEC zone may be able to crash the DNS server.
282: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4095">CVE-2006-4095</a>
283: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4096">CVE-2006-4096</a>
1.4 brad 284: <br>
1.72 deraadt 285: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/015_bind.patch">
1.44 deraadt 286: A source code patch exists which remedies this problem.</a>
1.6 steven 287: <p>
1.4 brad 288:
1.72 deraadt 289: <li id="openssl">
290: <strong>016: SECURITY FIX: September 8, 2006</strong>
1.45 deraadt 291: <i>All architectures</i><br>
1.72 deraadt 292: Due to incorrect PKCS#1 v1.5 padding validation in OpenSSL, it is possible for
293: an attacker to construct an invalid signature which OpenSSL would accept as a
294: valid PKCS#1 v1.5 signature.
295: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4339">CVE-2006-4339</a>
1.2 brad 296: <br>
1.72 deraadt 297: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/016_openssl.patch">
1.44 deraadt 298: A source code patch exists which remedies this problem.</a>
1.2 brad 299: <p>
300:
1.72 deraadt 301: <li id="httpd2">
302: <strong>017: SECURITY FIX: October 7, 2006</strong>
1.45 deraadt 303: <i>All architectures</i><br>
1.72 deraadt 304: <a href="https://man.openbsd.org/OpenBSD-3.8/httpd.8">httpd(8)</a>
305: does not sanitize the Expect header from an HTTP request when it is
306: reflected back in an error message, which might allow cross-site scripting (XSS)
307: style attacks.
308: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3918">CVE-2006-3918</a>
1.1 deraadt 309: <br>
1.72 deraadt 310: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/017_httpd2.patch">
1.44 deraadt 311: A source code patch exists which remedies this problem.</a>
1.1 deraadt 312: <p>
313:
1.72 deraadt 314: <li id="openssl2">
315: <strong>018: SECURITY FIX: October 7, 2006</strong>
316: <i>All architectures</i><br>
317: Several problems have been found in OpenSSL. While parsing certain invalid ASN.1
318: structures an error condition is mishandled, possibly resulting in an infinite
319: loop. A buffer overflow exists in the SSL_get_shared_ciphers function. A NULL
320: pointer may be dereferenced in the SSL version 2 client code. In addition, many
321: applications using OpenSSL do not perform any validation of the lengths of
322: public keys being used.
323: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2937">CVE-2006-2937</a>,
324: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3738">CVE-2006-3738</a>,
325: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4343">CVE-2006-4343</a>,
326: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2940">CVE-2006-2940</a>
1.1 deraadt 327: <br>
1.72 deraadt 328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/018_openssl2.patch">
1.44 deraadt 329: A source code patch exists which remedies this problem.</a>
1.1 deraadt 330: <p>
331:
1.72 deraadt 332: <li id="systrace">
333: <strong>019: SECURITY FIX: October 7, 2006</strong>
1.45 deraadt 334: <i>All architectures</i><br>
1.72 deraadt 335: Fix for an integer overflow in
336: <a href="https://man.openbsd.org/OpenBSD-3.8/systrace.4">systrace(4)</a>'s
337: STRIOCREPLACE support, found by
338: Chris Evans. This could be exploited for DoS, limited kmem reads or local
339: privilege escalation.
1.1 deraadt 340: <br>
1.72 deraadt 341: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/019_systrace.patch">
1.44 deraadt 342: A source code patch exists which remedies this problem.</a>
1.1 deraadt 343: <p>
344:
1.72 deraadt 345: <li id="ssh2">
346: <strong>020: SECURITY FIX: October 12, 2006</strong>
1.45 deraadt 347: <i>All architectures</i><br>
1.72 deraadt 348: Fix 2 security bugs found in OpenSSH. A pre-authentication denial of service (found
349: by Tavis Ormandy) that would cause
350: <a href="https://man.openbsd.org/OpenBSD-3.8/sshd.8">sshd(8)</a>
351: to spin until the login grace time expired.
352: An unsafe signal handler (found by Mark Dowd) that is vulnerable to a race condition
353: that could be exploited to perform a pre-authentication denial of service.
354: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4924">CVE-2006-4924</a>,
355: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5051">CVE-2006-5051</a>
1.1 deraadt 356: <br>
1.72 deraadt 357: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/020_ssh2.patch">
1.44 deraadt 358: A source code patch exists which remedies this problem.</a>
1.1 deraadt 359: <p>
1.42 deraadt 360:
1.1 deraadt 361: </ul>
362:
1.49 tedu 363: <hr>
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