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1.3 deraadt 21: <h2><font color="#e00000">
22: OpenBSD 5.6 errata
1.1 jsg 23: </font></h2>
24:
25: <hr>
26: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
27: <br>
28: For errata on a certain release, click below:<br>
29: <a href="errata21.html">2.1</a>,
30: <a href="errata22.html">2.2</a>,
31: <a href="errata23.html">2.3</a>,
32: <a href="errata24.html">2.4</a>,
33: <a href="errata25.html">2.5</a>,
34: <a href="errata26.html">2.6</a>,
35: <a href="errata27.html">2.7</a>,
36: <a href="errata28.html">2.8</a>,
37: <a href="errata29.html">2.9</a>,
38: <a href="errata30.html">3.0</a>,
39: <a href="errata31.html">3.1</a>,
40: <a href="errata32.html">3.2</a>,
41: <a href="errata33.html">3.3</a>,
42: <a href="errata34.html">3.4</a>,
43: <a href="errata35.html">3.5</a>,
44: <a href="errata36.html">3.6</a>,
45: <br>
46: <a href="errata37.html">3.7</a>,
47: <a href="errata38.html">3.8</a>,
48: <a href="errata39.html">3.9</a>,
49: <a href="errata40.html">4.0</a>,
50: <a href="errata41.html">4.1</a>,
51: <a href="errata42.html">4.2</a>,
52: <a href="errata43.html">4.3</a>,
53: <a href="errata44.html">4.4</a>,
54: <a href="errata45.html">4.5</a>,
55: <a href="errata46.html">4.6</a>,
56: <a href="errata47.html">4.7</a>,
57: <a href="errata48.html">4.8</a>,
58: <a href="errata49.html">4.9</a>,
59: <a href="errata50.html">5.0</a>,
60: <a href="errata51.html">5.1</a>,
61: <a href="errata52.html">5.2</a>,
62: <br>
63: <a href="errata53.html">5.3</a>,
64: <a href="errata54.html">5.4</a>,
1.21 deraadt 65: <a href="errata55.html">5.5</a>,
66: <a href="errata57.html">5.7</a>.
1.1 jsg 67: <br>
68: <hr>
69:
70: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">
71: You can also fetch a tar.gz file containing all the following patches</a>.
72: This file is updated once a day.
73: <p>
74:
75: The patches below are available in CVS via the
76: <code>OPENBSD_5_6</code> <a href="stable.html">patch branch</a>.
77: <p>
78:
79: For more detailed information on how to install patches to OpenBSD, please
80: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
81: <p>
82:
83: <hr>
84:
85: <ul>
86:
1.16 bentley 87: <li id="001_rxr">
1.1 jsg 88: <font color="#009000"><strong>001: RELIABILITY FIX: September 5, 2014</strong></font>
89: <i>All architectures</i><br>
90: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
91: <br>
1.2 stsp 92: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
93: A source code patch exists which remedies this problem.</a>
94: <p>
95:
1.16 bentley 96: <li id="002_nd6">
1.2 stsp 97: <font color="#009000"><strong>002: RELIABILITY FIX: October 1, 2014</strong></font>
98: <i>All architectures</i><br>
99: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
100: redundant addresses are added whenever an autoconfprivacy address expires.
101: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
102: as a workaround:
103: <pre>
104: # ifconfig em0 -autoconfprivacy
105: </pre>
106: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
107: A source code patch exists which remedies this problem.</a>
108: <p>
109:
1.16 bentley 110: <li id="003_nginx">
1.2 stsp 111: <font color="#009000"><strong>003: SECURITY FIX: October 1, 2014</strong></font>
112: <i>All architectures</i><br>
113: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
114: host confusion attacks in some configurations.
115: This issue was assigned CVE-2014-3616.
116: <br>
117: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 118: A source code patch exists which remedies this problem.</a>
119: <p>
120:
1.16 bentley 121: <li id="004_kernexec">
1.4 tedu 122: <font color="#009000"><strong>004: RELIABILITY FIX: October 20, 2014</strong></font>
123: <i>All architectures</i><br>
124: Executable headers with an unaligned address will trigger a kernel panic.
125: <br>
126: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
127: A source code patch exists which remedies this problem.</a>
128: <p>
129:
1.16 bentley 130: <li id="005_nosslv3">
1.5 tedu 131: <font color="#009000"><strong>005: SECURITY FIX: October 20, 2014</strong></font>
132: <i>All architectures</i><br>
133: This patch disables the SSLv3 protocol by default.
134: <p>
135: <i>
136: Applications depending on SSLv3 may need to be recompiled with
137: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
138: but we recommend against the continued use of this obsolete protocol.
139: </i>
140: <p>
141: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
142: A source code patch exists which remedies this problem.</a>
143: <p>
144:
1.16 bentley 145: <li id="006_relayd">
1.6 florian 146: <font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
147: <i>All architectures</i><br>
148: Certain http requests can crash relayd.
149: <br>
150: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
151: A source code patch exists which remedies this problem.</a>
152: <p>
153:
1.16 bentley 154: <li id="007_pfctl">
1.8 tedu 155: <font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
1.7 sthen 156: <i>All architectures</i><br>
1.8 tedu 157: A PF rule using an IPv4 address
158: followed by an IPv6 address and then a dynamic address, e.g. "pass
159: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
160: mask applied to the dynamic address.
1.7 sthen 161: <br>
162: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.16 bentley 166: <li id="008_asr">
1.8 tedu 167: <font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
168: <i>All architectures</i><br>
169: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
170: <br>
171: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 172: A source code patch exists which remedies this problem.</a>
173: <p>
174:
1.16 bentley 175: <li id="009_httpd">
1.9 reyk 176: <font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
177: <i>All architectures</i><br>
178: httpd was developed very rapidly in the weeks before 5.6 release, and
179: it has a few flaws. It would be nice to get these flaws fully
180: remediated before the next release, and that requires the community to
181: want to use it. Therefore here is a "jumbo" patch that brings in the
182: most important fixes.
183: <br>
184: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
185: A source code patch exists which remedies this problem.</a>
1.19 tedu 186: <br>
187: <i>Unfortunately the source tree found on the CD set contains a slightly different
188: checkout, from just before the release was finished and is missing a few httpd
189: commits. Therefore, the patch above will not apply correctly. Users are encouraged
190: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 191: <p>
192:
1.16 bentley 193: <li id="010_pipex">
1.10 tedu 194: <font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
195: <i>All architectures</i><br>
196: Several bugs were fixed that allowed a crash from remote when an active pipex
197: session exists.
198: <br>
199: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
200: A source code patch exists which remedies this problem.</a>
201: <p>
202:
1.16 bentley 203: <li id="011_pppoe">
1.11 tedu 204: <font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
1.10 tedu 205: <i>All architectures</i><br>
206: An incorrect memcpy call would result in corrupted MAC addresses when
207: using PPPOE.
208: <br>
209: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
210: A source code patch exists which remedies this problem.</a>
211: <p>
212:
1.16 bentley 213: <li id="012_unbound">
1.14 tedu 214: <font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 215: <i>All architectures</i><br>
1.13 tedu 216: Fix a denial of service where a malicious authority could make the resolver chase an
217: endless series of delegations. (CVE-2014-8602)
1.12 tedu 218: <br>
1.13 tedu 219: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 220: A source code patch exists which remedies this problem.</a>
221: <p>
222:
1.16 bentley 223: <li id="013_virtio">
1.14 tedu 224: <font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 225: <i>All architectures</i><br>
1.13 tedu 226: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
227: like vio(4) and vioblk(4).
1.12 tedu 228: <br>
1.13 tedu 229: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 230: A source code patch exists which remedies this problem.</a>
231: <p>
232:
1.16 bentley 233: <li id="014_xserver">
1.14 tedu 234: <font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
1.12 tedu 235: <i>All architectures</i><br>
236: One year after Ilja van Sprundel discovered and reported a large number
237: of issues in the way the X server code base handles requests from X clients,
238: they have been fixed.
239: <br>
240: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
241: <br>
242: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
243: A source code patch exists which remedies this problem.</a>
244: <p>
245:
1.16 bentley 246: <li id="015_libevent">
1.15 bluhm 247: <font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
248: <i>All architectures</i><br>
249: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
250: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
251: tftp-proxy tftpd
252: <br>
253: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
254: <br>
255: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
256: A source code patch exists which remedies this problem.</a>
257: <p>
1.10 tedu 258:
1.17 tedu 259: <li id="016_xserver">
260: <font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
261: <i>All architectures</i><br>
262: Information leak in the XkbSetGeometry request of X servers.
263: <br>
264: For more information, see the
265: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
266: <br>
267: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
268: A source code patch exists which remedies this problem.</a>
269: <p>
270:
1.20 tedu 271: <li id="017_openssl">
272: <font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
273: <i>All architectures</i><br>
274: Don't permit TLS client connections to be downgraded to weak keys.
275: <br>
276: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
277: A source code patch exists which remedies this problem.</a>
278: <p>
279:
280: <li id="018_freetype">
281: <font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
282: <i>All architectures</i><br>
283: Another fix for buffer overflows in malformed fonts.
284: <br>
285: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
286: A source code patch exists which remedies this problem.</a>
287: <p>
288:
1.23 tedu 289: <li id="019_libxfont">
1.22 tedu 290: <font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
291: <i>All architectures</i><br>
292: Buffer overflows in libXfont
293: <br>
294: For more information, see the
295: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
296: <br>
297: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 298: A source code patch exists which remedies this problem.</a>
1.24 tedu 299: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 300: <p>
301:
302: <li id="020_openssl">
303: <font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
304: <i>All architectures</i><br>
305: Fix several crash causing defects from OpenSSL.<br>
306: These include:<br>
307: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
308: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
309: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
310: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
311: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
312: <br>
313: Several other issues did not apply or were already fixed.<br>
314: For more information, see the
315: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
316: <br>
317: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 318: A source code patch exists which remedies this problem.</a>
319: <p>
320:
1.25 gilles 321: <li id="021_smtpd">
322: <font color="#009000"><strong>021: RELIABILITY FIX: April 17, 2015</strong></font>
323: <i>All architectures</i><br>
324: Fix a logic error in smtpd handling of SNI.
325: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
326: <br>
327: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 328: A source code patch exists which remedies this problem.</a>
1.25 gilles 329: <p>
330:
1.26 florian 331: <li id="022_httpd">
332: <font color="#009000"><strong>022: RELIABILITY FIX: April 30, 2015</strong></font>
333: <i>All architectures</i><br>
334: A remote user can crash httpd by forcing the daemon to log to a file
335: before the logging system was initialized.
336: <br>
337: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 338: A source code patch exists which remedies this problem.</a>
1.26 florian 339: <p>
340:
1.27 guenther 341: <li id="023_elf">
1.29 deraadt 342: <font color="#009000"><strong>023: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 343: <i>All architectures</i><br>
344: Malformed binaries could trigger kernel panics or view kernel memory.
345: <br>
346: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 347: A source code patch exists which remedies this problem.</a>
1.27 guenther 348: <p>
349:
350: <li id="024_tar">
1.29 deraadt 351: <font color="#009000"><strong>024: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 352: <i>All architectures</i><br>
353: Multiple issues in tar/pax/cpio:
354: <ul>
355: <li>extracting a malicious archive could create files outside of
356: the current directory without using pre-existing symlinks to 'escape',
357: and could change the timestamps and modes on preexisting files
358: <li>tar without -P would permit extraction of paths with ".." components
359: <li>there was a buffer overflow in the handling of pax extension headers
360: </ul>
361: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 362: A source code patch exists which remedies this problem.</a>
363: <p>
364:
365: <li id="025_smtpd">
366: <font color="#009000"><strong>025: RELIABILITY FIX: June 11, 2015</strong></font>
367: <i>All architectures</i><br>
368: Fix multiple reliability issues in smtpd:
369: <ul>
370: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
371: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
372: </ul>
373: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
374: A source code patch exists which remedies this problem.</a>
375: <p>
376:
377: <li id="026_openssl">
378: <font color="#009000"><strong>026: SECURITY FIX: June 11, 2015</strong></font>
379: <i>All architectures</i><br>
380: Fix several defects from OpenSSL:
381: <ul>
382: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
383: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
384: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
385: </ul>
1.32 ! doug 386: Note that CMS was already disabled in LibreSSL.
! 387: Several other issues did not apply or were already fixed and one is under review.<br>
! 388: For more information, see the
! 389: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
! 390: <br>
1.31 deraadt 391: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 392: A source code patch exists which remedies this problem.</a>
1.27 guenther 393: <p>
394:
1.1 jsg 395: </ul>
396:
1.18 tedu 397: <hr>
398:
1.1 jsg 399: </body>
400: </html>
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