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