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