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