Annotation of www/errata56.html, Revision 1.39
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1.3 deraadt 18: <h2><font color="#e00000">
19: OpenBSD 5.6 errata
1.1 jsg 20: </font></h2>
21:
22: <hr>
23: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
24: <br>
25: For errata on a certain release, click below:<br>
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>,
41: <a href="errata36.html">3.6</a>,
42: <br>
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>,
52: <a href="errata46.html">4.6</a>,
53: <a href="errata47.html">4.7</a>,
54: <a href="errata48.html">4.8</a>,
55: <a href="errata49.html">4.9</a>,
56: <a href="errata50.html">5.0</a>,
57: <a href="errata51.html">5.1</a>,
58: <a href="errata52.html">5.2</a>,
59: <br>
60: <a href="errata53.html">5.3</a>,
61: <a href="errata54.html">5.4</a>,
1.21 deraadt 62: <a href="errata55.html">5.5</a>,
1.39 ! deraadt 63: <a href="errata57.html">5.7</a>,
! 64: <a href="errata58.html">5.8</a>.
1.1 jsg 65: <br>
66: <hr>
67:
68: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">
69: You can also fetch a tar.gz file containing all the following patches</a>.
70: This file is updated once a day.
71: <p>
72:
73: The patches below are available in CVS via the
74: <code>OPENBSD_5_6</code> <a href="stable.html">patch branch</a>.
75: <p>
76:
77: For more detailed information on how to install patches to OpenBSD, please
78: consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
79: <p>
80:
81: <hr>
82:
83: <ul>
84:
1.16 bentley 85: <li id="001_rxr">
1.1 jsg 86: <font color="#009000"><strong>001: RELIABILITY FIX: September 5, 2014</strong></font>
87: <i>All architectures</i><br>
88: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
89: <br>
1.2 stsp 90: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
91: A source code patch exists which remedies this problem.</a>
92: <p>
93:
1.16 bentley 94: <li id="002_nd6">
1.2 stsp 95: <font color="#009000"><strong>002: RELIABILITY FIX: October 1, 2014</strong></font>
96: <i>All architectures</i><br>
97: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
98: redundant addresses are added whenever an autoconfprivacy address expires.
99: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
100: as a workaround:
101: <pre>
102: # ifconfig em0 -autoconfprivacy
103: </pre>
104: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
105: A source code patch exists which remedies this problem.</a>
106: <p>
107:
1.16 bentley 108: <li id="003_nginx">
1.2 stsp 109: <font color="#009000"><strong>003: SECURITY FIX: October 1, 2014</strong></font>
110: <i>All architectures</i><br>
111: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
112: host confusion attacks in some configurations.
113: This issue was assigned CVE-2014-3616.
114: <br>
115: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 116: A source code patch exists which remedies this problem.</a>
117: <p>
118:
1.16 bentley 119: <li id="004_kernexec">
1.4 tedu 120: <font color="#009000"><strong>004: RELIABILITY FIX: October 20, 2014</strong></font>
121: <i>All architectures</i><br>
122: Executable headers with an unaligned address will trigger a kernel panic.
123: <br>
124: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
125: A source code patch exists which remedies this problem.</a>
126: <p>
127:
1.16 bentley 128: <li id="005_nosslv3">
1.5 tedu 129: <font color="#009000"><strong>005: SECURITY FIX: October 20, 2014</strong></font>
130: <i>All architectures</i><br>
131: This patch disables the SSLv3 protocol by default.
132: <p>
133: <i>
134: Applications depending on SSLv3 may need to be recompiled with
135: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
136: but we recommend against the continued use of this obsolete protocol.
137: </i>
138: <p>
139: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
140: A source code patch exists which remedies this problem.</a>
141: <p>
142:
1.16 bentley 143: <li id="006_relayd">
1.6 florian 144: <font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
145: <i>All architectures</i><br>
146: Certain http requests can crash relayd.
147: <br>
148: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
149: A source code patch exists which remedies this problem.</a>
150: <p>
151:
1.16 bentley 152: <li id="007_pfctl">
1.8 tedu 153: <font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
1.7 sthen 154: <i>All architectures</i><br>
1.8 tedu 155: A PF rule using an IPv4 address
156: followed by an IPv6 address and then a dynamic address, e.g. "pass
157: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
158: mask applied to the dynamic address.
1.7 sthen 159: <br>
160: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 161: A source code patch exists which remedies this problem.</a>
162: <p>
163:
1.16 bentley 164: <li id="008_asr">
1.8 tedu 165: <font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
166: <i>All architectures</i><br>
167: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
168: <br>
169: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 170: A source code patch exists which remedies this problem.</a>
171: <p>
172:
1.16 bentley 173: <li id="009_httpd">
1.9 reyk 174: <font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
175: <i>All architectures</i><br>
176: httpd was developed very rapidly in the weeks before 5.6 release, and
177: it has a few flaws. It would be nice to get these flaws fully
178: remediated before the next release, and that requires the community to
179: want to use it. Therefore here is a "jumbo" patch that brings in the
180: most important fixes.
181: <br>
182: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
183: A source code patch exists which remedies this problem.</a>
1.19 tedu 184: <br>
185: <i>Unfortunately the source tree found on the CD set contains a slightly different
186: checkout, from just before the release was finished and is missing a few httpd
187: commits. Therefore, the patch above will not apply correctly. Users are encouraged
188: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 189: <p>
190:
1.16 bentley 191: <li id="010_pipex">
1.10 tedu 192: <font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
193: <i>All architectures</i><br>
194: Several bugs were fixed that allowed a crash from remote when an active pipex
195: session exists.
196: <br>
197: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
198: A source code patch exists which remedies this problem.</a>
199: <p>
200:
1.16 bentley 201: <li id="011_pppoe">
1.11 tedu 202: <font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
1.10 tedu 203: <i>All architectures</i><br>
204: An incorrect memcpy call would result in corrupted MAC addresses when
205: using PPPOE.
206: <br>
207: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
1.16 bentley 211: <li id="012_unbound">
1.14 tedu 212: <font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 213: <i>All architectures</i><br>
1.13 tedu 214: Fix a denial of service where a malicious authority could make the resolver chase an
215: endless series of delegations. (CVE-2014-8602)
1.12 tedu 216: <br>
1.13 tedu 217: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.16 bentley 221: <li id="013_virtio">
1.14 tedu 222: <font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 223: <i>All architectures</i><br>
1.13 tedu 224: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
225: like vio(4) and vioblk(4).
1.12 tedu 226: <br>
1.13 tedu 227: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
1.16 bentley 231: <li id="014_xserver">
1.14 tedu 232: <font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
1.12 tedu 233: <i>All architectures</i><br>
234: One year after Ilja van Sprundel discovered and reported a large number
235: of issues in the way the X server code base handles requests from X clients,
236: they have been fixed.
237: <br>
238: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
239: <br>
240: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
241: A source code patch exists which remedies this problem.</a>
242: <p>
243:
1.16 bentley 244: <li id="015_libevent">
1.15 bluhm 245: <font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
246: <i>All architectures</i><br>
247: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
248: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
249: tftp-proxy tftpd
250: <br>
251: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
252: <br>
253: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
254: A source code patch exists which remedies this problem.</a>
255: <p>
1.10 tedu 256:
1.17 tedu 257: <li id="016_xserver">
258: <font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
259: <i>All architectures</i><br>
260: Information leak in the XkbSetGeometry request of X servers.
261: <br>
262: For more information, see the
263: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
264: <br>
265: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
266: A source code patch exists which remedies this problem.</a>
267: <p>
268:
1.20 tedu 269: <li id="017_openssl">
270: <font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
271: <i>All architectures</i><br>
272: Don't permit TLS client connections to be downgraded to weak keys.
273: <br>
274: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
275: A source code patch exists which remedies this problem.</a>
276: <p>
277:
278: <li id="018_freetype">
279: <font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
280: <i>All architectures</i><br>
281: Another fix for buffer overflows in malformed fonts.
282: <br>
283: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
284: A source code patch exists which remedies this problem.</a>
285: <p>
286:
1.23 tedu 287: <li id="019_libxfont">
1.22 tedu 288: <font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
289: <i>All architectures</i><br>
290: Buffer overflows in libXfont
291: <br>
292: For more information, see the
293: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
294: <br>
295: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 296: A source code patch exists which remedies this problem.</a>
1.24 tedu 297: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 298: <p>
299:
300: <li id="020_openssl">
301: <font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
302: <i>All architectures</i><br>
303: Fix several crash causing defects from OpenSSL.<br>
304: These include:<br>
305: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
306: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
307: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
308: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
309: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
310: <br>
311: Several other issues did not apply or were already fixed.<br>
312: For more information, see the
313: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
314: <br>
315: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 316: A source code patch exists which remedies this problem.</a>
317: <p>
318:
1.25 gilles 319: <li id="021_smtpd">
320: <font color="#009000"><strong>021: RELIABILITY FIX: April 17, 2015</strong></font>
321: <i>All architectures</i><br>
322: Fix a logic error in smtpd handling of SNI.
323: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
324: <br>
325: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 326: A source code patch exists which remedies this problem.</a>
1.25 gilles 327: <p>
328:
1.26 florian 329: <li id="022_httpd">
330: <font color="#009000"><strong>022: RELIABILITY FIX: April 30, 2015</strong></font>
331: <i>All architectures</i><br>
332: A remote user can crash httpd by forcing the daemon to log to a file
333: before the logging system was initialized.
334: <br>
335: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 336: A source code patch exists which remedies this problem.</a>
1.26 florian 337: <p>
338:
1.27 guenther 339: <li id="023_elf">
1.29 deraadt 340: <font color="#009000"><strong>023: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 341: <i>All architectures</i><br>
342: Malformed binaries could trigger kernel panics or view kernel memory.
343: <br>
344: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 345: A source code patch exists which remedies this problem.</a>
1.27 guenther 346: <p>
347:
348: <li id="024_tar">
1.29 deraadt 349: <font color="#009000"><strong>024: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 350: <i>All architectures</i><br>
351: Multiple issues in tar/pax/cpio:
352: <ul>
353: <li>extracting a malicious archive could create files outside of
354: the current directory without using pre-existing symlinks to 'escape',
355: and could change the timestamps and modes on preexisting files
356: <li>tar without -P would permit extraction of paths with ".." components
357: <li>there was a buffer overflow in the handling of pax extension headers
358: </ul>
359: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 360: A source code patch exists which remedies this problem.</a>
361: <p>
362:
363: <li id="025_smtpd">
364: <font color="#009000"><strong>025: RELIABILITY FIX: June 11, 2015</strong></font>
365: <i>All architectures</i><br>
366: Fix multiple reliability issues in smtpd:
367: <ul>
368: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
369: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
370: </ul>
371: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
372: A source code patch exists which remedies this problem.</a>
373: <p>
374:
375: <li id="026_openssl">
376: <font color="#009000"><strong>026: SECURITY FIX: June 11, 2015</strong></font>
377: <i>All architectures</i><br>
378: Fix several defects from OpenSSL:
379: <ul>
380: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
381: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
382: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
383: </ul>
1.32 doug 384: Note that CMS was already disabled in LibreSSL.
385: Several other issues did not apply or were already fixed and one is under review.<br>
386: For more information, see the
387: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
388: <br>
1.31 deraadt 389: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 390: A source code patch exists which remedies this problem.</a>
1.27 guenther 391: <p>
392:
1.37 deraadt 393: <li id="027_tcp">
1.34 deraadt 394: <font color="#009000"><strong>027: SECURITY FIX: July 14, 2015</strong></font>
395: <i>All architectures</i><br>
396: A TCP socket can become confused and not properly cleanup resources.
397: <br>
1.36 deraadt 398: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 399: A source code patch exists which remedies this problem.</a>
400: <p>
401:
402: <li id="028_execve">
403: <font color="#009000"><strong>028: RELIABILITY FIX: July 26, 2015</strong></font>
404: <i>All architectures</i><br>
405: A kernel memory leak could be triggered by an unprivileged user in
406: a failure case when using execve under systrace.
407: <br>
408: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
409: A source code patch exists which remedies this problem.</a>
410: <p>
411:
412: <li id="029_patch">
413: <font color="#009000"><strong>029: SECURITY FIX: July 26, 2015</strong></font>
414: <i>All architectures</i><br>
415: The patch utility could be made to invoke arbitrary commands via
416: the obsolete SCCS and RCS support when processing a crafted input file.
417: This patch deletes the SCCS and RCS support.
418: <br>
419: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 420: A source code patch exists which remedies this problem.</a>
421: <p>
422:
1.38 deraadt 423: <li id="030_patch">
424: <font color="#009000"><strong>030: SECURITY FIX: July 30, 2015</strong></font>
425: <i>All architectures</i><br>
426: The patch utility could become desyncronized processing ed(1)-style diffs.
427: <br>
428: <a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
429: A source code patch exists which remedies this problem.</a>
430: <p>
431:
1.1 jsg 432: </ul>
433:
1.18 tedu 434: <hr>
435:
1.1 jsg 436: </body>
437: </html>