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