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