Annotation of www/errata56.html, Revision 1.53
1.1 jsg 1: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2: <html>
3: <head>
1.45 tj 4: <title>OpenBSD 5.6 Errata</title>
1.1 jsg 5: <meta name="description" content="the OpenBSD CD errata page">
6: <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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: </head>
11:
12: <!--
13: IMPORTANT REMINDER
14: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
15: -->
16:
17: <body bgcolor="#ffffff" text="#000000" link="#23238E">
18:
1.44 deraadt 19: <h2>
20: <a href="index.html">
21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.45 tj 22: <font color="#e00000">5.6 Errata</font>
23: </h2>
1.44 deraadt 24: <hr>
1.1 jsg 25:
26: For errata on a certain release, click below:<br>
27: <a href="errata21.html">2.1</a>,
28: <a href="errata22.html">2.2</a>,
29: <a href="errata23.html">2.3</a>,
30: <a href="errata24.html">2.4</a>,
31: <a href="errata25.html">2.5</a>,
32: <a href="errata26.html">2.6</a>,
33: <a href="errata27.html">2.7</a>,
34: <a href="errata28.html">2.8</a>,
35: <a href="errata29.html">2.9</a>,
36: <a href="errata30.html">3.0</a>,
37: <a href="errata31.html">3.1</a>,
38: <a href="errata32.html">3.2</a>,
39: <a href="errata33.html">3.3</a>,
40: <a href="errata34.html">3.4</a>,
41: <a href="errata35.html">3.5</a>,
42: <a href="errata36.html">3.6</a>,
43: <br>
44: <a href="errata37.html">3.7</a>,
45: <a href="errata38.html">3.8</a>,
46: <a href="errata39.html">3.9</a>,
47: <a href="errata40.html">4.0</a>,
48: <a href="errata41.html">4.1</a>,
49: <a href="errata42.html">4.2</a>,
50: <a href="errata43.html">4.3</a>,
51: <a href="errata44.html">4.4</a>,
52: <a href="errata45.html">4.5</a>,
53: <a href="errata46.html">4.6</a>,
54: <a href="errata47.html">4.7</a>,
55: <a href="errata48.html">4.8</a>,
56: <a href="errata49.html">4.9</a>,
57: <a href="errata50.html">5.0</a>,
58: <a href="errata51.html">5.1</a>,
59: <a href="errata52.html">5.2</a>,
60: <br>
61: <a href="errata53.html">5.3</a>,
62: <a href="errata54.html">5.4</a>,
1.21 deraadt 63: <a href="errata55.html">5.5</a>,
1.39 deraadt 64: <a href="errata57.html">5.7</a>,
1.43 deraadt 65: <a href="errata58.html">5.8</a>,
1.46 deraadt 66: <a href="errata59.html">5.9</a>,
1.49 tj 67: <a href="errata60.html">6.0</a>,
1.53 ! deraadt 68: <a href="errata61.html">6.1</a>,
! 69: <a href="errata62.html">6.2</a>.
1.1 jsg 70: <hr>
71:
72: <p>
1.49 tj 73: Patches for the OpenBSD base system are distributed as unified diffs.
74: Each patch is cryptographically signed with the
1.52 tb 75: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 76: usage instructions.
77: All the following patches are also available in one
78: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
79: for convenience.
1.1 jsg 80:
81: <p>
1.49 tj 82: Patches for supported releases are also incorporated into the
1.50 tj 83: <a href="stable.html">-stable branch</a>.
1.1 jsg 84:
85: <hr>
86:
87: <ul>
88:
1.51 tb 89: <li id="p001_rxr">
1.1 jsg 90: <font color="#009000"><strong>001: RELIABILITY FIX: September 5, 2014</strong></font>
91: <i>All architectures</i><br>
92: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
93: <br>
1.48 tb 94: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 95: A source code patch exists which remedies this problem.</a>
96: <p>
97:
1.51 tb 98: <li id="p002_nd6">
1.2 stsp 99: <font color="#009000"><strong>002: RELIABILITY FIX: October 1, 2014</strong></font>
100: <i>All architectures</i><br>
101: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
102: redundant addresses are added whenever an autoconfprivacy address expires.
103: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
104: as a workaround:
105: <pre>
106: # ifconfig em0 -autoconfprivacy
107: </pre>
1.48 tb 108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 109: A source code patch exists which remedies this problem.</a>
110: <p>
111:
1.51 tb 112: <li id="p003_nginx">
1.2 stsp 113: <font color="#009000"><strong>003: SECURITY FIX: October 1, 2014</strong></font>
114: <i>All architectures</i><br>
115: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
116: host confusion attacks in some configurations.
117: This issue was assigned CVE-2014-3616.
118: <br>
1.48 tb 119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 120: A source code patch exists which remedies this problem.</a>
121: <p>
122:
1.51 tb 123: <li id="p004_kernexec">
1.4 tedu 124: <font color="#009000"><strong>004: RELIABILITY FIX: October 20, 2014</strong></font>
125: <i>All architectures</i><br>
126: Executable headers with an unaligned address will trigger a kernel panic.
127: <br>
1.48 tb 128: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 129: A source code patch exists which remedies this problem.</a>
130: <p>
131:
1.51 tb 132: <li id="p005_nosslv3">
1.5 tedu 133: <font color="#009000"><strong>005: SECURITY FIX: October 20, 2014</strong></font>
134: <i>All architectures</i><br>
135: This patch disables the SSLv3 protocol by default.
136: <p>
137: <i>
138: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 139: </i>
1.5 tedu 140: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 141: <i>
1.5 tedu 142: but we recommend against the continued use of this obsolete protocol.
143: </i>
144: <p>
1.48 tb 145: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 146: A source code patch exists which remedies this problem.</a>
147: <p>
148:
1.51 tb 149: <li id="p006_relayd">
1.6 florian 150: <font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
151: <i>All architectures</i><br>
152: Certain http requests can crash relayd.
153: <br>
1.48 tb 154: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 155: A source code patch exists which remedies this problem.</a>
156: <p>
157:
1.51 tb 158: <li id="p007_pfctl">
1.8 tedu 159: <font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
1.7 sthen 160: <i>All architectures</i><br>
1.8 tedu 161: A PF rule using an IPv4 address
162: followed by an IPv6 address and then a dynamic address, e.g. "pass
163: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
164: mask applied to the dynamic address.
1.7 sthen 165: <br>
1.48 tb 166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 167: A source code patch exists which remedies this problem.</a>
168: <p>
169:
1.51 tb 170: <li id="p008_asr">
1.8 tedu 171: <font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
172: <i>All architectures</i><br>
173: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
174: <br>
1.48 tb 175: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 176: A source code patch exists which remedies this problem.</a>
177: <p>
178:
1.51 tb 179: <li id="p009_httpd">
1.9 reyk 180: <font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
181: <i>All architectures</i><br>
182: httpd was developed very rapidly in the weeks before 5.6 release, and
183: it has a few flaws. It would be nice to get these flaws fully
184: remediated before the next release, and that requires the community to
185: want to use it. Therefore here is a "jumbo" patch that brings in the
186: most important fixes.
187: <br>
1.48 tb 188: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 189: A source code patch exists which remedies this problem.</a>
1.19 tedu 190: <br>
191: <i>Unfortunately the source tree found on the CD set contains a slightly different
192: checkout, from just before the release was finished and is missing a few httpd
193: commits. Therefore, the patch above will not apply correctly. Users are encouraged
194: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 195: <p>
196:
1.51 tb 197: <li id="p010_pipex">
1.10 tedu 198: <font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
199: <i>All architectures</i><br>
200: Several bugs were fixed that allowed a crash from remote when an active pipex
201: session exists.
202: <br>
1.48 tb 203: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 204: A source code patch exists which remedies this problem.</a>
205: <p>
206:
1.51 tb 207: <li id="p011_pppoe">
1.11 tedu 208: <font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
1.10 tedu 209: <i>All architectures</i><br>
210: An incorrect memcpy call would result in corrupted MAC addresses when
211: using PPPOE.
212: <br>
1.48 tb 213: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 214: A source code patch exists which remedies this problem.</a>
215: <p>
216:
1.51 tb 217: <li id="p012_unbound">
1.14 tedu 218: <font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 219: <i>All architectures</i><br>
1.13 tedu 220: Fix a denial of service where a malicious authority could make the resolver chase an
221: endless series of delegations. (CVE-2014-8602)
1.12 tedu 222: <br>
1.48 tb 223: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 224: A source code patch exists which remedies this problem.</a>
225: <p>
226:
1.51 tb 227: <li id="p013_virtio">
1.14 tedu 228: <font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
1.12 tedu 229: <i>All architectures</i><br>
1.13 tedu 230: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
231: like vio(4) and vioblk(4).
1.12 tedu 232: <br>
1.48 tb 233: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 234: A source code patch exists which remedies this problem.</a>
235: <p>
236:
1.51 tb 237: <li id="p014_xserver">
1.14 tedu 238: <font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
1.12 tedu 239: <i>All architectures</i><br>
240: One year after Ilja van Sprundel discovered and reported a large number
241: of issues in the way the X server code base handles requests from X clients,
242: they have been fixed.
243: <br>
244: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
245: <br>
1.48 tb 246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 247: A source code patch exists which remedies this problem.</a>
248: <p>
249:
1.51 tb 250: <li id="p015_libevent">
1.15 bluhm 251: <font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
252: <i>All architectures</i><br>
253: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
254: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
255: tftp-proxy tftpd
256: <br>
257: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
258: <br>
1.48 tb 259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 260: A source code patch exists which remedies this problem.</a>
261: <p>
1.10 tedu 262:
1.51 tb 263: <li id="p016_xserver">
1.17 tedu 264: <font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
265: <i>All architectures</i><br>
266: Information leak in the XkbSetGeometry request of X servers.
267: <br>
268: For more information, see the
269: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
270: <br>
1.48 tb 271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 272: A source code patch exists which remedies this problem.</a>
273: <p>
274:
1.51 tb 275: <li id="p017_openssl">
1.20 tedu 276: <font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
277: <i>All architectures</i><br>
278: Don't permit TLS client connections to be downgraded to weak keys.
279: <br>
1.48 tb 280: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 281: A source code patch exists which remedies this problem.</a>
282: <p>
283:
1.51 tb 284: <li id="p018_freetype">
1.20 tedu 285: <font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
286: <i>All architectures</i><br>
287: Another fix for buffer overflows in malformed fonts.
288: <br>
1.48 tb 289: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.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="p019_libxfont">
1.22 tedu 294: <font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
295: <i>All architectures</i><br>
296: Buffer overflows in libXfont
297: <br>
298: For more information, see the
299: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
300: <br>
1.48 tb 301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 302: A source code patch exists which remedies this problem.</a>
1.24 tedu 303: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 304: <p>
305:
1.51 tb 306: <li id="p020_openssl">
1.23 tedu 307: <font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
308: <i>All architectures</i><br>
309: Fix several crash causing defects from OpenSSL.<br>
310: These include:<br>
311: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
312: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
313: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
314: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
315: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
316: <br>
317: Several other issues did not apply or were already fixed.<br>
318: For more information, see the
319: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
320: <br>
1.48 tb 321: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 322: A source code patch exists which remedies this problem.</a>
323: <p>
324:
1.51 tb 325: <li id="p021_smtpd">
1.25 gilles 326: <font color="#009000"><strong>021: RELIABILITY FIX: April 17, 2015</strong></font>
327: <i>All architectures</i><br>
328: Fix a logic error in smtpd handling of SNI.
329: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
330: <br>
1.48 tb 331: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 332: A source code patch exists which remedies this problem.</a>
1.25 gilles 333: <p>
334:
1.51 tb 335: <li id="p022_httpd">
1.26 florian 336: <font color="#009000"><strong>022: RELIABILITY FIX: April 30, 2015</strong></font>
337: <i>All architectures</i><br>
338: A remote user can crash httpd by forcing the daemon to log to a file
339: before the logging system was initialized.
340: <br>
1.48 tb 341: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 342: A source code patch exists which remedies this problem.</a>
1.26 florian 343: <p>
344:
1.51 tb 345: <li id="p023_elf">
1.29 deraadt 346: <font color="#009000"><strong>023: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 347: <i>All architectures</i><br>
348: Malformed binaries could trigger kernel panics or view kernel memory.
349: <br>
1.48 tb 350: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 351: A source code patch exists which remedies this problem.</a>
1.27 guenther 352: <p>
353:
1.51 tb 354: <li id="p024_tar">
1.29 deraadt 355: <font color="#009000"><strong>024: SECURITY FIX: April 30, 2015</strong></font>
1.27 guenther 356: <i>All architectures</i><br>
357: Multiple issues in tar/pax/cpio:
358: <ul>
359: <li>extracting a malicious archive could create files outside of
360: the current directory without using pre-existing symlinks to 'escape',
361: and could change the timestamps and modes on preexisting files
362: <li>tar without -P would permit extraction of paths with ".." components
363: <li>there was a buffer overflow in the handling of pax extension headers
364: </ul>
1.48 tb 365: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 366: A source code patch exists which remedies this problem.</a>
367: <p>
368:
1.51 tb 369: <li id="p025_smtpd">
1.31 deraadt 370: <font color="#009000"><strong>025: RELIABILITY FIX: June 11, 2015</strong></font>
371: <i>All architectures</i><br>
372: Fix multiple reliability issues in smtpd:
373: <ul>
374: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
375: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
376: </ul>
1.48 tb 377: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 378: A source code patch exists which remedies this problem.</a>
379: <p>
380:
1.51 tb 381: <li id="p026_openssl">
1.31 deraadt 382: <font color="#009000"><strong>026: SECURITY FIX: June 11, 2015</strong></font>
383: <i>All architectures</i><br>
384: Fix several defects from OpenSSL:
385: <ul>
386: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
387: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
388: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
389: </ul>
1.32 doug 390: Note that CMS was already disabled in LibreSSL.
391: Several other issues did not apply or were already fixed and one is under review.<br>
392: For more information, see the
393: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
394: <br>
1.48 tb 395: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 396: A source code patch exists which remedies this problem.</a>
1.27 guenther 397: <p>
398:
1.51 tb 399: <li id="p027_tcp">
1.34 deraadt 400: <font color="#009000"><strong>027: SECURITY FIX: July 14, 2015</strong></font>
401: <i>All architectures</i><br>
402: A TCP socket can become confused and not properly cleanup resources.
403: <br>
1.48 tb 404: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 405: A source code patch exists which remedies this problem.</a>
406: <p>
407:
1.51 tb 408: <li id="p028_execve">
1.37 deraadt 409: <font color="#009000"><strong>028: RELIABILITY FIX: July 26, 2015</strong></font>
410: <i>All architectures</i><br>
411: A kernel memory leak could be triggered by an unprivileged user in
412: a failure case when using execve under systrace.
413: <br>
1.48 tb 414: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 415: A source code patch exists which remedies this problem.</a>
416: <p>
417:
1.51 tb 418: <li id="p029_patch">
1.37 deraadt 419: <font color="#009000"><strong>029: SECURITY FIX: July 26, 2015</strong></font>
420: <i>All architectures</i><br>
421: The patch utility could be made to invoke arbitrary commands via
422: the obsolete SCCS and RCS support when processing a crafted input file.
423: This patch deletes the SCCS and RCS support.
424: <br>
1.48 tb 425: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 426: A source code patch exists which remedies this problem.</a>
427: <p>
428:
1.51 tb 429: <li id="p030_patch">
1.38 deraadt 430: <font color="#009000"><strong>030: SECURITY FIX: July 30, 2015</strong></font>
431: <i>All architectures</i><br>
432: The patch utility could become desyncronized processing ed(1)-style diffs.
433: <br>
1.48 tb 434: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 435: A source code patch exists which remedies this problem.</a>
436: <p>
437:
1.51 tb 438: <li id="p031_smtpd">
1.40 deraadt 439: <font color="#009000"><strong>031: SECURITY FIX: October 1, 2015</strong></font>
440: <i>All architectures</i><br>
441: Fix multiple reliability and security issues in smtpd:<br>
442: <ul>
443: <li>local and remote users could make smtpd crash or stop serving requests.
444: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
445: process could allow a local user to cause a crash or potentially
446: execute arbitrary code.
447: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
448: process could allow a remote attacker to cause a crash or potentially
449: execute arbitrary code.
450: <li>hardlink and symlink attacks allowed a local user to unset chflags or
451: leak the first line of an arbitrary file.
452: </ul>
1.48 tb 453: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 454: A source code patch exists which remedies this problem.</a>
455: <p>
456:
1.51 tb 457: <li id="p032_kevent">
1.41 sthen 458: <font color="#009000"><strong>032: RELIABILITY FIX: October 14, 2015</strong></font>
459: <i>All architectures</i><br>
460: A problem with timer kevents could result in a kernel hang (local denial
461: of service).<br>
1.48 tb 462: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 463: A source code patch exists which remedies this problem.</a>
464: <p>
465:
1.51 tb 466: <li id="p033_obj2txt">
1.42 tedu 467: <font color="#009000"><strong>033: RELIABILITY FIX: October 15, 2015</strong></font>
468: <i>All architectures</i><br>
469: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
470: and memory leak, as reported by Qualys Security.<br>
1.48 tb 471: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 472: A source code patch exists which remedies this problem.</a>
473: <p>
474:
1.1 jsg 475: </ul>
476:
1.18 tedu 477: <hr>
478:
1.1 jsg 479: </body>
480: </html>
![[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