Annotation of www/errata56.html, Revision 1.69
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2: <html lang=en id=errata>
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>,
1.62 deraadt 74: <a href="errata68.html">6.8</a>,
1.63 tj 75: <br>
1.64 deraadt 76: <a href="errata69.html">6.9</a>,
1.65 deraadt 77: <a href="errata70.html">7.0</a>,
1.66 deraadt 78: <a href="errata71.html">7.1</a>,
1.67 tj 79: <a href="errata72.html">7.2</a>,
1.68 tj 80: <a href="errata73.html">7.3</a>,
1.69 ! tj 81: <a href="errata74.html">7.4</a>,
! 82: <a href="errata75.html">7.5</a>.
1.1 jsg 83: <hr>
84:
85: <p>
1.49 tj 86: Patches for the OpenBSD base system are distributed as unified diffs.
87: Each patch is cryptographically signed with the
1.52 tb 88: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 89: usage instructions.
90: All the following patches are also available in one
91: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
92: for convenience.
1.1 jsg 93:
94: <p>
1.49 tj 95: Patches for supported releases are also incorporated into the
1.50 tj 96: <a href="stable.html">-stable branch</a>.
1.1 jsg 97:
98: <hr>
99:
100: <ul>
101:
1.51 tb 102: <li id="p001_rxr">
1.57 bentley 103: <strong>001: RELIABILITY FIX: September 5, 2014</strong>
1.1 jsg 104: <i>All architectures</i><br>
105: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
106: <br>
1.48 tb 107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 108: A source code patch exists which remedies this problem.</a>
109: <p>
110:
1.51 tb 111: <li id="p002_nd6">
1.57 bentley 112: <strong>002: RELIABILITY FIX: October 1, 2014</strong>
1.2 stsp 113: <i>All architectures</i><br>
114: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
115: redundant addresses are added whenever an autoconfprivacy address expires.
116: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
117: as a workaround:
118: <pre>
119: # ifconfig em0 -autoconfprivacy
120: </pre>
1.48 tb 121: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 122: A source code patch exists which remedies this problem.</a>
123: <p>
124:
1.51 tb 125: <li id="p003_nginx">
1.57 bentley 126: <strong>003: SECURITY FIX: October 1, 2014</strong>
1.2 stsp 127: <i>All architectures</i><br>
128: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
129: host confusion attacks in some configurations.
130: This issue was assigned CVE-2014-3616.
131: <br>
1.48 tb 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 133: A source code patch exists which remedies this problem.</a>
134: <p>
135:
1.51 tb 136: <li id="p004_kernexec">
1.57 bentley 137: <strong>004: RELIABILITY FIX: October 20, 2014</strong>
1.4 tedu 138: <i>All architectures</i><br>
139: Executable headers with an unaligned address will trigger a kernel panic.
140: <br>
1.48 tb 141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 142: A source code patch exists which remedies this problem.</a>
143: <p>
144:
1.51 tb 145: <li id="p005_nosslv3">
1.57 bentley 146: <strong>005: SECURITY FIX: October 20, 2014</strong>
1.5 tedu 147: <i>All architectures</i><br>
148: This patch disables the SSLv3 protocol by default.
149: <p>
150: <i>
151: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 152: </i>
1.5 tedu 153: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 154: <i>
1.5 tedu 155: but we recommend against the continued use of this obsolete protocol.
156: </i>
157: <p>
1.48 tb 158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 159: A source code patch exists which remedies this problem.</a>
160: <p>
161:
1.51 tb 162: <li id="p006_relayd">
1.57 bentley 163: <strong>006: RELIABILITY FIX: November 17, 2014</strong>
1.6 florian 164: <i>All architectures</i><br>
165: Certain http requests can crash relayd.
166: <br>
1.48 tb 167: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 168: A source code patch exists which remedies this problem.</a>
169: <p>
170:
1.51 tb 171: <li id="p007_pfctl">
1.57 bentley 172: <strong>007: RELIABILITY FIX: November 17, 2014</strong>
1.7 sthen 173: <i>All architectures</i><br>
1.8 tedu 174: A PF rule using an IPv4 address
175: followed by an IPv6 address and then a dynamic address, e.g. "pass
176: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
177: mask applied to the dynamic address.
1.7 sthen 178: <br>
1.48 tb 179: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 180: A source code patch exists which remedies this problem.</a>
181: <p>
182:
1.51 tb 183: <li id="p008_asr">
1.57 bentley 184: <strong>008: RELIABILITY FIX: November 17, 2014</strong>
1.8 tedu 185: <i>All architectures</i><br>
186: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
187: <br>
1.48 tb 188: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 189: A source code patch exists which remedies this problem.</a>
190: <p>
191:
1.51 tb 192: <li id="p009_httpd">
1.57 bentley 193: <strong>009: RELIABILITY FIX: November 18, 2014</strong>
1.9 reyk 194: <i>All architectures</i><br>
195: httpd was developed very rapidly in the weeks before 5.6 release, and
196: it has a few flaws. It would be nice to get these flaws fully
197: remediated before the next release, and that requires the community to
198: want to use it. Therefore here is a "jumbo" patch that brings in the
199: most important fixes.
200: <br>
1.48 tb 201: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 202: A source code patch exists which remedies this problem.</a>
1.19 tedu 203: <br>
204: <i>Unfortunately the source tree found on the CD set contains a slightly different
205: checkout, from just before the release was finished and is missing a few httpd
206: commits. Therefore, the patch above will not apply correctly. Users are encouraged
207: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 208: <p>
209:
1.51 tb 210: <li id="p010_pipex">
1.57 bentley 211: <strong>010: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 212: <i>All architectures</i><br>
213: Several bugs were fixed that allowed a crash from remote when an active pipex
214: session exists.
215: <br>
1.48 tb 216: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 217: A source code patch exists which remedies this problem.</a>
218: <p>
219:
1.51 tb 220: <li id="p011_pppoe">
1.57 bentley 221: <strong>011: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 222: <i>All architectures</i><br>
223: An incorrect memcpy call would result in corrupted MAC addresses when
224: using PPPOE.
225: <br>
1.48 tb 226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 227: A source code patch exists which remedies this problem.</a>
228: <p>
229:
1.51 tb 230: <li id="p012_unbound">
1.57 bentley 231: <strong>012: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 232: <i>All architectures</i><br>
1.13 tedu 233: Fix a denial of service where a malicious authority could make the resolver chase an
234: endless series of delegations. (CVE-2014-8602)
1.12 tedu 235: <br>
1.48 tb 236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
1.51 tb 240: <li id="p013_virtio">
1.57 bentley 241: <strong>013: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 242: <i>All architectures</i><br>
1.13 tedu 243: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
244: like vio(4) and vioblk(4).
1.12 tedu 245: <br>
1.48 tb 246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 247: A source code patch exists which remedies this problem.</a>
248: <p>
249:
1.51 tb 250: <li id="p014_xserver">
1.57 bentley 251: <strong>014: SECURITY FIX: December 9, 2014</strong>
1.12 tedu 252: <i>All architectures</i><br>
253: One year after Ilja van Sprundel discovered and reported a large number
254: of issues in the way the X server code base handles requests from X clients,
255: they have been fixed.
256: <br>
257: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
258: <br>
1.48 tb 259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 260: A source code patch exists which remedies this problem.</a>
261: <p>
262:
1.51 tb 263: <li id="p015_libevent">
1.57 bentley 264: <strong>015: SECURITY FIX: January 13, 2015</strong>
1.15 bluhm 265: <i>All architectures</i><br>
266: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
267: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
268: tftp-proxy tftpd
269: <br>
270: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
271: <br>
1.48 tb 272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 273: A source code patch exists which remedies this problem.</a>
274: <p>
1.10 tedu 275:
1.51 tb 276: <li id="p016_xserver">
1.57 bentley 277: <strong>016: SECURITY FIX: March 3, 2015</strong>
1.17 tedu 278: <i>All architectures</i><br>
279: Information leak in the XkbSetGeometry request of X servers.
280: <br>
281: For more information, see the
282: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
283: <br>
1.48 tb 284: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 285: A source code patch exists which remedies this problem.</a>
286: <p>
287:
1.51 tb 288: <li id="p017_openssl">
1.57 bentley 289: <strong>017: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 290: <i>All architectures</i><br>
291: Don't permit TLS client connections to be downgraded to weak keys.
292: <br>
1.48 tb 293: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 294: A source code patch exists which remedies this problem.</a>
295: <p>
296:
1.51 tb 297: <li id="p018_freetype">
1.57 bentley 298: <strong>018: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 299: <i>All architectures</i><br>
300: Another fix for buffer overflows in malformed fonts.
301: <br>
1.48 tb 302: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20 tedu 303: A source code patch exists which remedies this problem.</a>
304: <p>
305:
1.51 tb 306: <li id="p019_libxfont">
1.57 bentley 307: <strong>019: SECURITY FIX: March 18, 2015</strong>
1.22 tedu 308: <i>All architectures</i><br>
309: Buffer overflows in libXfont
310: <br>
311: For more information, see the
312: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
313: <br>
1.48 tb 314: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 315: A source code patch exists which remedies this problem.</a>
1.24 tedu 316: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 317: <p>
318:
1.51 tb 319: <li id="p020_openssl">
1.57 bentley 320: <strong>020: SECURITY FIX: March 19, 2015</strong>
1.23 tedu 321: <i>All architectures</i><br>
322: Fix several crash causing defects from OpenSSL.<br>
323: These include:<br>
324: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
325: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
326: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
327: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
328: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
329: <br>
330: Several other issues did not apply or were already fixed.<br>
331: For more information, see the
332: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
333: <br>
1.48 tb 334: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 335: A source code patch exists which remedies this problem.</a>
336: <p>
337:
1.51 tb 338: <li id="p021_smtpd">
1.57 bentley 339: <strong>021: RELIABILITY FIX: April 17, 2015</strong>
1.25 gilles 340: <i>All architectures</i><br>
341: Fix a logic error in smtpd handling of SNI.
342: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
343: <br>
1.48 tb 344: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 345: A source code patch exists which remedies this problem.</a>
1.25 gilles 346: <p>
347:
1.51 tb 348: <li id="p022_httpd">
1.57 bentley 349: <strong>022: RELIABILITY FIX: April 30, 2015</strong>
1.26 florian 350: <i>All architectures</i><br>
351: A remote user can crash httpd by forcing the daemon to log to a file
352: before the logging system was initialized.
353: <br>
1.48 tb 354: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 355: A source code patch exists which remedies this problem.</a>
1.26 florian 356: <p>
357:
1.51 tb 358: <li id="p023_elf">
1.57 bentley 359: <strong>023: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 360: <i>All architectures</i><br>
361: Malformed binaries could trigger kernel panics or view kernel memory.
362: <br>
1.48 tb 363: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 364: A source code patch exists which remedies this problem.</a>
1.27 guenther 365: <p>
366:
1.51 tb 367: <li id="p024_tar">
1.57 bentley 368: <strong>024: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 369: <i>All architectures</i><br>
370: Multiple issues in tar/pax/cpio:
371: <ul>
372: <li>extracting a malicious archive could create files outside of
373: the current directory without using pre-existing symlinks to 'escape',
374: and could change the timestamps and modes on preexisting files
375: <li>tar without -P would permit extraction of paths with ".." components
376: <li>there was a buffer overflow in the handling of pax extension headers
377: </ul>
1.48 tb 378: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 379: A source code patch exists which remedies this problem.</a>
380: <p>
381:
1.51 tb 382: <li id="p025_smtpd">
1.57 bentley 383: <strong>025: RELIABILITY FIX: June 11, 2015</strong>
1.31 deraadt 384: <i>All architectures</i><br>
385: Fix multiple reliability issues in smtpd:
386: <ul>
387: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
388: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
389: </ul>
1.48 tb 390: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 391: A source code patch exists which remedies this problem.</a>
392: <p>
393:
1.51 tb 394: <li id="p026_openssl">
1.57 bentley 395: <strong>026: SECURITY FIX: June 11, 2015</strong>
1.31 deraadt 396: <i>All architectures</i><br>
397: Fix several defects from OpenSSL:
398: <ul>
399: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
400: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
401: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
402: </ul>
1.32 doug 403: Note that CMS was already disabled in LibreSSL.
404: Several other issues did not apply or were already fixed and one is under review.<br>
405: For more information, see the
406: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
407: <br>
1.48 tb 408: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 409: A source code patch exists which remedies this problem.</a>
1.27 guenther 410: <p>
411:
1.51 tb 412: <li id="p027_tcp">
1.57 bentley 413: <strong>027: SECURITY FIX: July 14, 2015</strong>
1.34 deraadt 414: <i>All architectures</i><br>
415: A TCP socket can become confused and not properly cleanup resources.
416: <br>
1.48 tb 417: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 418: A source code patch exists which remedies this problem.</a>
419: <p>
420:
1.51 tb 421: <li id="p028_execve">
1.57 bentley 422: <strong>028: RELIABILITY FIX: July 26, 2015</strong>
1.37 deraadt 423: <i>All architectures</i><br>
424: A kernel memory leak could be triggered by an unprivileged user in
425: a failure case when using execve under systrace.
426: <br>
1.48 tb 427: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 428: A source code patch exists which remedies this problem.</a>
429: <p>
430:
1.51 tb 431: <li id="p029_patch">
1.57 bentley 432: <strong>029: SECURITY FIX: July 26, 2015</strong>
1.37 deraadt 433: <i>All architectures</i><br>
434: The patch utility could be made to invoke arbitrary commands via
435: the obsolete SCCS and RCS support when processing a crafted input file.
436: This patch deletes the SCCS and RCS support.
437: <br>
1.48 tb 438: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 439: A source code patch exists which remedies this problem.</a>
440: <p>
441:
1.51 tb 442: <li id="p030_patch">
1.57 bentley 443: <strong>030: SECURITY FIX: July 30, 2015</strong>
1.38 deraadt 444: <i>All architectures</i><br>
445: The patch utility could become desyncronized processing ed(1)-style diffs.
446: <br>
1.48 tb 447: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 448: A source code patch exists which remedies this problem.</a>
449: <p>
450:
1.51 tb 451: <li id="p031_smtpd">
1.57 bentley 452: <strong>031: SECURITY FIX: October 1, 2015</strong>
1.40 deraadt 453: <i>All architectures</i><br>
454: Fix multiple reliability and security issues in smtpd:<br>
455: <ul>
456: <li>local and remote users could make smtpd crash or stop serving requests.
457: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
458: process could allow a local user to cause a crash or potentially
459: execute arbitrary code.
460: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
461: process could allow a remote attacker to cause a crash or potentially
462: execute arbitrary code.
463: <li>hardlink and symlink attacks allowed a local user to unset chflags or
464: leak the first line of an arbitrary file.
465: </ul>
1.48 tb 466: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 467: A source code patch exists which remedies this problem.</a>
468: <p>
469:
1.51 tb 470: <li id="p032_kevent">
1.57 bentley 471: <strong>032: RELIABILITY FIX: October 14, 2015</strong>
1.41 sthen 472: <i>All architectures</i><br>
473: A problem with timer kevents could result in a kernel hang (local denial
474: of service).<br>
1.48 tb 475: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 476: A source code patch exists which remedies this problem.</a>
477: <p>
478:
1.51 tb 479: <li id="p033_obj2txt">
1.57 bentley 480: <strong>033: RELIABILITY FIX: October 15, 2015</strong>
1.42 tedu 481: <i>All architectures</i><br>
482: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
483: and memory leak, as reported by Qualys Security.<br>
1.48 tb 484: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 485: A source code patch exists which remedies this problem.</a>
486: <p>
487:
1.1 jsg 488: </ul>
489:
1.18 tedu 490: <hr>
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