Annotation of www/errata56.html, Revision 1.61
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3: <meta charset=utf-8>
4:
1.45 tj 5: <title>OpenBSD 5.6 Errata</title>
1.1 jsg 6: <meta name="description" content="the OpenBSD CD errata page">
1.44 deraadt 7: <meta name="viewport" content="width=device-width, initial-scale=1">
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1.1 jsg 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
14: -->
15:
16:
1.57 bentley 17: <h2 id=OpenBSD>
1.44 deraadt 18: <a href="index.html">
1.57 bentley 19: <i>Open</i><b>BSD</b></a>
20: 5.6 Errata
1.45 tj 21: </h2>
1.44 deraadt 22: <hr>
1.1 jsg 23:
24: For errata on a certain release, click below:<br>
1.59 schwarze 25: <a href="errata20.html">2.0</a>,
1.1 jsg 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>,
1.59 schwarze 41: <br>
1.1 jsg 42: <a href="errata36.html">3.6</a>,
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>,
1.59 schwarze 58: <br>
1.1 jsg 59: <a href="errata52.html">5.2</a>,
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>,
1.43 deraadt 64: <a href="errata58.html">5.8</a>,
1.46 deraadt 65: <a href="errata59.html">5.9</a>,
1.49 tj 66: <a href="errata60.html">6.0</a>,
1.53 deraadt 67: <a href="errata61.html">6.1</a>,
1.54 deraadt 68: <a href="errata62.html">6.2</a>,
1.55 deraadt 69: <a href="errata63.html">6.3</a>,
1.56 deraadt 70: <a href="errata64.html">6.4</a>,
1.58 deraadt 71: <a href="errata65.html">6.5</a>,
1.60 deraadt 72: <a href="errata66.html">6.6</a>,
1.61 ! deraadt 73: <a href="errata67.html">6.7</a>,
! 74: <a href="errata68.html">6.8</a>.
1.1 jsg 75: <hr>
76:
77: <p>
1.49 tj 78: Patches for the OpenBSD base system are distributed as unified diffs.
79: Each patch is cryptographically signed with the
1.52 tb 80: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 81: usage instructions.
82: All the following patches are also available in one
83: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
84: for convenience.
1.1 jsg 85:
86: <p>
1.49 tj 87: Patches for supported releases are also incorporated into the
1.50 tj 88: <a href="stable.html">-stable branch</a>.
1.1 jsg 89:
90: <hr>
91:
92: <ul>
93:
1.51 tb 94: <li id="p001_rxr">
1.57 bentley 95: <strong>001: RELIABILITY FIX: September 5, 2014</strong>
1.1 jsg 96: <i>All architectures</i><br>
97: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
98: <br>
1.48 tb 99: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 100: A source code patch exists which remedies this problem.</a>
101: <p>
102:
1.51 tb 103: <li id="p002_nd6">
1.57 bentley 104: <strong>002: RELIABILITY FIX: October 1, 2014</strong>
1.2 stsp 105: <i>All architectures</i><br>
106: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
107: redundant addresses are added whenever an autoconfprivacy address expires.
108: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
109: as a workaround:
110: <pre>
111: # ifconfig em0 -autoconfprivacy
112: </pre>
1.48 tb 113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 114: A source code patch exists which remedies this problem.</a>
115: <p>
116:
1.51 tb 117: <li id="p003_nginx">
1.57 bentley 118: <strong>003: SECURITY FIX: October 1, 2014</strong>
1.2 stsp 119: <i>All architectures</i><br>
120: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
121: host confusion attacks in some configurations.
122: This issue was assigned CVE-2014-3616.
123: <br>
1.48 tb 124: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 125: A source code patch exists which remedies this problem.</a>
126: <p>
127:
1.51 tb 128: <li id="p004_kernexec">
1.57 bentley 129: <strong>004: RELIABILITY FIX: October 20, 2014</strong>
1.4 tedu 130: <i>All architectures</i><br>
131: Executable headers with an unaligned address will trigger a kernel panic.
132: <br>
1.48 tb 133: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 134: A source code patch exists which remedies this problem.</a>
135: <p>
136:
1.51 tb 137: <li id="p005_nosslv3">
1.57 bentley 138: <strong>005: SECURITY FIX: October 20, 2014</strong>
1.5 tedu 139: <i>All architectures</i><br>
140: This patch disables the SSLv3 protocol by default.
141: <p>
142: <i>
143: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 144: </i>
1.5 tedu 145: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 146: <i>
1.5 tedu 147: but we recommend against the continued use of this obsolete protocol.
148: </i>
149: <p>
1.48 tb 150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 151: A source code patch exists which remedies this problem.</a>
152: <p>
153:
1.51 tb 154: <li id="p006_relayd">
1.57 bentley 155: <strong>006: RELIABILITY FIX: November 17, 2014</strong>
1.6 florian 156: <i>All architectures</i><br>
157: Certain http requests can crash relayd.
158: <br>
1.48 tb 159: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 160: A source code patch exists which remedies this problem.</a>
161: <p>
162:
1.51 tb 163: <li id="p007_pfctl">
1.57 bentley 164: <strong>007: RELIABILITY FIX: November 17, 2014</strong>
1.7 sthen 165: <i>All architectures</i><br>
1.8 tedu 166: A PF rule using an IPv4 address
167: followed by an IPv6 address and then a dynamic address, e.g. "pass
168: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
169: mask applied to the dynamic address.
1.7 sthen 170: <br>
1.48 tb 171: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 172: A source code patch exists which remedies this problem.</a>
173: <p>
174:
1.51 tb 175: <li id="p008_asr">
1.57 bentley 176: <strong>008: RELIABILITY FIX: November 17, 2014</strong>
1.8 tedu 177: <i>All architectures</i><br>
178: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
179: <br>
1.48 tb 180: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 181: A source code patch exists which remedies this problem.</a>
182: <p>
183:
1.51 tb 184: <li id="p009_httpd">
1.57 bentley 185: <strong>009: RELIABILITY FIX: November 18, 2014</strong>
1.9 reyk 186: <i>All architectures</i><br>
187: httpd was developed very rapidly in the weeks before 5.6 release, and
188: it has a few flaws. It would be nice to get these flaws fully
189: remediated before the next release, and that requires the community to
190: want to use it. Therefore here is a "jumbo" patch that brings in the
191: most important fixes.
192: <br>
1.48 tb 193: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 194: A source code patch exists which remedies this problem.</a>
1.19 tedu 195: <br>
196: <i>Unfortunately the source tree found on the CD set contains a slightly different
197: checkout, from just before the release was finished and is missing a few httpd
198: commits. Therefore, the patch above will not apply correctly. Users are encouraged
199: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 200: <p>
201:
1.51 tb 202: <li id="p010_pipex">
1.57 bentley 203: <strong>010: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 204: <i>All architectures</i><br>
205: Several bugs were fixed that allowed a crash from remote when an active pipex
206: session exists.
207: <br>
1.48 tb 208: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 209: A source code patch exists which remedies this problem.</a>
210: <p>
211:
1.51 tb 212: <li id="p011_pppoe">
1.57 bentley 213: <strong>011: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 214: <i>All architectures</i><br>
215: An incorrect memcpy call would result in corrupted MAC addresses when
216: using PPPOE.
217: <br>
1.48 tb 218: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 219: A source code patch exists which remedies this problem.</a>
220: <p>
221:
1.51 tb 222: <li id="p012_unbound">
1.57 bentley 223: <strong>012: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 224: <i>All architectures</i><br>
1.13 tedu 225: Fix a denial of service where a malicious authority could make the resolver chase an
226: endless series of delegations. (CVE-2014-8602)
1.12 tedu 227: <br>
1.48 tb 228: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 229: A source code patch exists which remedies this problem.</a>
230: <p>
231:
1.51 tb 232: <li id="p013_virtio">
1.57 bentley 233: <strong>013: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 234: <i>All architectures</i><br>
1.13 tedu 235: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
236: like vio(4) and vioblk(4).
1.12 tedu 237: <br>
1.48 tb 238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 239: A source code patch exists which remedies this problem.</a>
240: <p>
241:
1.51 tb 242: <li id="p014_xserver">
1.57 bentley 243: <strong>014: SECURITY FIX: December 9, 2014</strong>
1.12 tedu 244: <i>All architectures</i><br>
245: One year after Ilja van Sprundel discovered and reported a large number
246: of issues in the way the X server code base handles requests from X clients,
247: they have been fixed.
248: <br>
249: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
250: <br>
1.48 tb 251: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 252: A source code patch exists which remedies this problem.</a>
253: <p>
254:
1.51 tb 255: <li id="p015_libevent">
1.57 bentley 256: <strong>015: SECURITY FIX: January 13, 2015</strong>
1.15 bluhm 257: <i>All architectures</i><br>
258: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
259: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
260: tftp-proxy tftpd
261: <br>
262: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
263: <br>
1.48 tb 264: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 265: A source code patch exists which remedies this problem.</a>
266: <p>
1.10 tedu 267:
1.51 tb 268: <li id="p016_xserver">
1.57 bentley 269: <strong>016: SECURITY FIX: March 3, 2015</strong>
1.17 tedu 270: <i>All architectures</i><br>
271: Information leak in the XkbSetGeometry request of X servers.
272: <br>
273: For more information, see the
274: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
275: <br>
1.48 tb 276: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 277: A source code patch exists which remedies this problem.</a>
278: <p>
279:
1.51 tb 280: <li id="p017_openssl">
1.57 bentley 281: <strong>017: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 282: <i>All architectures</i><br>
283: Don't permit TLS client connections to be downgraded to weak keys.
284: <br>
1.48 tb 285: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 286: A source code patch exists which remedies this problem.</a>
287: <p>
288:
1.51 tb 289: <li id="p018_freetype">
1.57 bentley 290: <strong>018: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 291: <i>All architectures</i><br>
292: Another fix for buffer overflows in malformed fonts.
293: <br>
1.48 tb 294: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20 tedu 295: A source code patch exists which remedies this problem.</a>
296: <p>
297:
1.51 tb 298: <li id="p019_libxfont">
1.57 bentley 299: <strong>019: SECURITY FIX: March 18, 2015</strong>
1.22 tedu 300: <i>All architectures</i><br>
301: Buffer overflows in libXfont
302: <br>
303: For more information, see the
304: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
305: <br>
1.48 tb 306: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 307: A source code patch exists which remedies this problem.</a>
1.24 tedu 308: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 309: <p>
310:
1.51 tb 311: <li id="p020_openssl">
1.57 bentley 312: <strong>020: SECURITY FIX: March 19, 2015</strong>
1.23 tedu 313: <i>All architectures</i><br>
314: Fix several crash causing defects from OpenSSL.<br>
315: These include:<br>
316: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
317: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
318: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
319: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
320: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
321: <br>
322: Several other issues did not apply or were already fixed.<br>
323: For more information, see the
324: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
325: <br>
1.48 tb 326: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 327: A source code patch exists which remedies this problem.</a>
328: <p>
329:
1.51 tb 330: <li id="p021_smtpd">
1.57 bentley 331: <strong>021: RELIABILITY FIX: April 17, 2015</strong>
1.25 gilles 332: <i>All architectures</i><br>
333: Fix a logic error in smtpd handling of SNI.
334: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
335: <br>
1.48 tb 336: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 337: A source code patch exists which remedies this problem.</a>
1.25 gilles 338: <p>
339:
1.51 tb 340: <li id="p022_httpd">
1.57 bentley 341: <strong>022: RELIABILITY FIX: April 30, 2015</strong>
1.26 florian 342: <i>All architectures</i><br>
343: A remote user can crash httpd by forcing the daemon to log to a file
344: before the logging system was initialized.
345: <br>
1.48 tb 346: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 347: A source code patch exists which remedies this problem.</a>
1.26 florian 348: <p>
349:
1.51 tb 350: <li id="p023_elf">
1.57 bentley 351: <strong>023: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 352: <i>All architectures</i><br>
353: Malformed binaries could trigger kernel panics or view kernel memory.
354: <br>
1.48 tb 355: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 356: A source code patch exists which remedies this problem.</a>
1.27 guenther 357: <p>
358:
1.51 tb 359: <li id="p024_tar">
1.57 bentley 360: <strong>024: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 361: <i>All architectures</i><br>
362: Multiple issues in tar/pax/cpio:
363: <ul>
364: <li>extracting a malicious archive could create files outside of
365: the current directory without using pre-existing symlinks to 'escape',
366: and could change the timestamps and modes on preexisting files
367: <li>tar without -P would permit extraction of paths with ".." components
368: <li>there was a buffer overflow in the handling of pax extension headers
369: </ul>
1.48 tb 370: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 371: A source code patch exists which remedies this problem.</a>
372: <p>
373:
1.51 tb 374: <li id="p025_smtpd">
1.57 bentley 375: <strong>025: RELIABILITY FIX: June 11, 2015</strong>
1.31 deraadt 376: <i>All architectures</i><br>
377: Fix multiple reliability issues in smtpd:
378: <ul>
379: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
380: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
381: </ul>
1.48 tb 382: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 383: A source code patch exists which remedies this problem.</a>
384: <p>
385:
1.51 tb 386: <li id="p026_openssl">
1.57 bentley 387: <strong>026: SECURITY FIX: June 11, 2015</strong>
1.31 deraadt 388: <i>All architectures</i><br>
389: Fix several defects from OpenSSL:
390: <ul>
391: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
392: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
393: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
394: </ul>
1.32 doug 395: Note that CMS was already disabled in LibreSSL.
396: Several other issues did not apply or were already fixed and one is under review.<br>
397: For more information, see the
398: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
399: <br>
1.48 tb 400: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 401: A source code patch exists which remedies this problem.</a>
1.27 guenther 402: <p>
403:
1.51 tb 404: <li id="p027_tcp">
1.57 bentley 405: <strong>027: SECURITY FIX: July 14, 2015</strong>
1.34 deraadt 406: <i>All architectures</i><br>
407: A TCP socket can become confused and not properly cleanup resources.
408: <br>
1.48 tb 409: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 410: A source code patch exists which remedies this problem.</a>
411: <p>
412:
1.51 tb 413: <li id="p028_execve">
1.57 bentley 414: <strong>028: RELIABILITY FIX: July 26, 2015</strong>
1.37 deraadt 415: <i>All architectures</i><br>
416: A kernel memory leak could be triggered by an unprivileged user in
417: a failure case when using execve under systrace.
418: <br>
1.48 tb 419: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 420: A source code patch exists which remedies this problem.</a>
421: <p>
422:
1.51 tb 423: <li id="p029_patch">
1.57 bentley 424: <strong>029: SECURITY FIX: July 26, 2015</strong>
1.37 deraadt 425: <i>All architectures</i><br>
426: The patch utility could be made to invoke arbitrary commands via
427: the obsolete SCCS and RCS support when processing a crafted input file.
428: This patch deletes the SCCS and RCS support.
429: <br>
1.48 tb 430: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 431: A source code patch exists which remedies this problem.</a>
432: <p>
433:
1.51 tb 434: <li id="p030_patch">
1.57 bentley 435: <strong>030: SECURITY FIX: July 30, 2015</strong>
1.38 deraadt 436: <i>All architectures</i><br>
437: The patch utility could become desyncronized processing ed(1)-style diffs.
438: <br>
1.48 tb 439: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 440: A source code patch exists which remedies this problem.</a>
441: <p>
442:
1.51 tb 443: <li id="p031_smtpd">
1.57 bentley 444: <strong>031: SECURITY FIX: October 1, 2015</strong>
1.40 deraadt 445: <i>All architectures</i><br>
446: Fix multiple reliability and security issues in smtpd:<br>
447: <ul>
448: <li>local and remote users could make smtpd crash or stop serving requests.
449: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
450: process could allow a local user to cause a crash or potentially
451: execute arbitrary code.
452: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
453: process could allow a remote attacker to cause a crash or potentially
454: execute arbitrary code.
455: <li>hardlink and symlink attacks allowed a local user to unset chflags or
456: leak the first line of an arbitrary file.
457: </ul>
1.48 tb 458: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 459: A source code patch exists which remedies this problem.</a>
460: <p>
461:
1.51 tb 462: <li id="p032_kevent">
1.57 bentley 463: <strong>032: RELIABILITY FIX: October 14, 2015</strong>
1.41 sthen 464: <i>All architectures</i><br>
465: A problem with timer kevents could result in a kernel hang (local denial
466: of service).<br>
1.48 tb 467: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 468: A source code patch exists which remedies this problem.</a>
469: <p>
470:
1.51 tb 471: <li id="p033_obj2txt">
1.57 bentley 472: <strong>033: RELIABILITY FIX: October 15, 2015</strong>
1.42 tedu 473: <i>All architectures</i><br>
474: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
475: and memory leak, as reported by Qualys Security.<br>
1.48 tb 476: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 477: A source code patch exists which remedies this problem.</a>
478: <p>
479:
1.1 jsg 480: </ul>
481:
1.18 tedu 482: <hr>
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