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