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