Annotation of www/errata58.html, Revision 1.45
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1.19 tj 5: <title>OpenBSD 5.8 Errata</title>
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1.1 deraadt 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.44 bentley 17: <h2 id=OpenBSD>
1.18 deraadt 18: <a href="index.html">
1.44 bentley 19: <i>Open</i><b>BSD</b></a>
20: 5.8 Errata
1.19 tj 21: </h2>
1.18 deraadt 22: <hr>
1.1 deraadt 23:
24: For errata on a certain release, click below:<br>
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <a href="errata36.html">3.6</a>,
41: <br>
42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
47: <a href="errata42.html">4.2</a>,
48: <a href="errata43.html">4.3</a>,
49: <a href="errata44.html">4.4</a>,
50: <a href="errata45.html">4.5</a>,
51: <a href="errata46.html">4.6</a>,
52: <a href="errata47.html">4.7</a>,
53: <a href="errata48.html">4.8</a>,
54: <a href="errata49.html">4.9</a>,
55: <a href="errata50.html">5.0</a>,
56: <a href="errata51.html">5.1</a>,
57: <a href="errata52.html">5.2</a>,
58: <br>
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
61: <a href="errata55.html">5.5</a>,
62: <a href="errata56.html">5.6</a>,
1.15 deraadt 63: <a href="errata57.html">5.7</a>,
1.29 deraadt 64: <a href="errata59.html">5.9</a>,
1.35 tj 65: <a href="errata60.html">6.0</a>,
1.40 deraadt 66: <a href="errata61.html">6.1</a>,
1.41 deraadt 67: <a href="errata62.html">6.2</a>,
1.42 deraadt 68: <a href="errata63.html">6.3</a>,
1.43 deraadt 69: <a href="errata64.html">6.4</a>,
1.45 ! deraadt 70: <a href="errata65.html">6.5</a>,
! 71: <a href="errata66.html">6.6</a>.
1.1 deraadt 72: <hr>
73:
74: <p>
1.35 tj 75: Patches for the OpenBSD base system are distributed as unified diffs.
76: Each patch is cryptographically signed with the
1.38 tb 77: <a href="https://man.openbsd.org/OpenBSD-5.8/signify.1">signify(1)</a> tool and contains
1.35 tj 78: usage instructions.
79: All the following patches are also available in one
80: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8.tar.gz">tar.gz file</a>
81: for convenience.
1.1 deraadt 82:
83: <p>
1.35 tj 84: Patches for supported releases are also incorporated into the
1.36 tj 85: <a href="stable.html">-stable branch</a>.
1.1 deraadt 86:
87: <hr>
88:
89: <ul>
90:
1.37 tb 91: <li id="p001_sshd">
1.44 bentley 92: <strong>001: SECURITY FIX: August 30, 2015</strong>
1.2 deraadt 93: <i>All architectures</i><br>
94: Inverted logic made PermitRootLogin "prohibit-password" unsafe.
1.23 bcook 95: Use "no" (which is the installer default), or apply the following patch.
1.2 deraadt 96: <br>
1.33 tb 97: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/001_sshd.patch.sig">
1.2 deraadt 98: A source code patch exists which remedies this problem.</a>
99: <p>
1.1 deraadt 100:
1.37 tb 101: <li id="p002_sslhello">
1.44 bentley 102: <strong>002: INTEROPERABILITY FIX: August 30, 2015</strong>
1.3 deraadt 103: <i>All architectures</i><br>
104: LibreSSL 2.2.2 incorrectly handles ClientHello messages that do not
105: include TLS extensions, resulting in such handshakes being aborted.
106: <br>
1.33 tb 107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/002_sslhello.patch.sig">
1.3 deraadt 108: A source code patch exists which remedies this problem.</a>
109: <p>
110:
1.37 tb 111: <li id="p003_uvm">
1.44 bentley 112: <strong>003: RELIABILITY FIX: September 28, 2015</strong>
1.4 deraadt 113: <i>All architectures</i><br>
114: An incorrect operation in uvm could result in system panics.
115: <br>
1.33 tb 116: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/003_uvm.patch.sig">
1.4 deraadt 117: A source code patch exists which remedies this problem.</a>
118: <p>
119:
1.37 tb 120: <li id="p004_smtpd">
1.44 bentley 121: <strong>004: SECURITY FIX: October 1, 2015</strong>
1.5 deraadt 122: <i>All architectures</i><br>
123: Fix multiple reliability and security issues in smtpd:<br>
124: <ul>
125: <li>local and remote users could make smtpd crash or stop serving requests.
126: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
127: process could allow a local user to cause a crash or potentially
128: execute arbitrary code.
129: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
130: process could allow a remote attacker to cause a crash or potentially
131: execute arbitrary code.
132: <li>hardlink and symlink attacks allowed a local user to unset chflags or
133: leak the first line of an arbitrary file.
134: </ul>
1.33 tb 135: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/004_smtpd.patch.sig">
1.5 deraadt 136: A source code patch exists which remedies this problem.</a>
137: <p>
138:
1.37 tb 139: <li id="p005_kevent">
1.44 bentley 140: <strong>005: RELIABILITY FIX: October 14, 2015</strong>
1.6 sthen 141: <i>All architectures</i><br>
142: A problem with timer kevents could result in a kernel hang (local denial
143: of service).<br>
1.33 tb 144: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/005_kevent.patch.sig">
1.6 sthen 145: A source code patch exists which remedies this problem.</a>
146: <p>
147:
1.37 tb 148: <li id="p006_src">
1.44 bentley 149: <strong>006: RELEASE CD ISSUE: Oct 18, 2015</strong>
1.7 deraadt 150: <i>All architectures</i><br>
151: The "src.tar.gz" file on the source tree was created on the wrong day,
152: and does not match the 5.8 release builds.
153:
154: <br>
1.33 tb 155: <a href="https://ftp.openbsd.org/pub/OpenBSD/5.8/cd-src.tar.gz">
1.7 deraadt 156: A replacement file is available</a> in the 5.8 release directory with the name <b>cd-src.tar.gz</b>; due to size of the file, check local mirrors also.
157: <p>
158:
1.37 tb 159: <li id="p007_obj2txt">
1.44 bentley 160: <strong>007: RELIABILITY FIX: October 15, 2015</strong>
1.8 tedu 161: <i>All architectures</i><br>
162: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
163: and memory leak, as reported by Qualys Security.<br>
1.33 tb 164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/007_obj2txt.patch.sig">
1.8 tedu 165: A source code patch exists which remedies this problem.</a>
166: <p>
167:
1.37 tb 168: <li id="p008_rsn">
1.44 bentley 169: <strong>008: RELIABILITY FIX: November 9, 2015</strong>
1.9 stsp 170: <i>All architectures</i><br>
171: Insufficient validation of RSN element group cipher values in 802.11
172: beacons and probe responses could result in system panics.<br>
1.33 tb 173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/008_rsn.patch.sig">
1.9 stsp 174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.37 tb 177: <li id="p009_clientcert">
1.44 bentley 178: <strong>009: RELIABILITY FIX: Dec 3, 2015</strong>
1.10 beck 179: <i>All architectures</i><br>
1.34 tj 180: A NULL pointer dereference could be triggered by a crafted certificate sent to
1.12 jasper 181: services configured to verify client certificates on TLS/SSL connections.<br>
1.33 tb 182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/009_clientcert.patch.sig">
1.10 beck 183: A source code patch exists which remedies this problem.</a>
184: <p>
185:
1.37 tb 186: <li id="p010_sshd">
1.44 bentley 187: <strong>010: SECURITY FIX: January 14, 2016</strong>
1.13 deraadt 188: <i>All architectures</i><br>
189: Experimental roaming code in the ssh client could be tricked by a hostile sshd
1.14 deraadt 190: server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
1.13 deraadt 191: <br>
192: Prevent this problem immediately by adding the line "UseRoaming no" to
193: <b>/etc/ssh/ssh_config</b>.
194: <br>
1.33 tb 195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/010_ssh.patch.sig">
1.13 deraadt 196: A source code patch exists which remedies this problem.</a>
197: <p>
198:
1.37 tb 199: <li id="p011_sshd">
1.44 bentley 200: <strong>011: SECURITY FIX: March 10, 2016</strong>
1.16 deraadt 201: <i>All architectures</i><br>
1.33 tb 202: <a href="https://www.openssh.com/txt/x11fwd.adv">
1.16 deraadt 203: Lack of credential sanitization allows injection of commands to xauth(1).</a>
204: <br>
205: Prevent this problem immediately by not using the "X11Forwarding" feature
206: (which is disabled by default)
207: <br>
1.33 tb 208: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/011_sshd.patch.sig">
1.16 deraadt 209: A source code patch exists which remedies this problem.</a>
210: <p>
211:
1.37 tb 212: <li id="p012_in6bind">
1.44 bentley 213: <strong>012: SECURITY FIX: March 16, 2016</strong>
1.17 deraadt 214: <i>All architectures</i><br>
215: Insufficient checks in IPv6 socket binding and UDP IPv6 option
216: processing allow a local user to send UDP packets with a source
217: (IPv6 address + port) already reserved by another user.
218: <br>
1.33 tb 219: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/012_in6bind.patch.sig">
1.17 deraadt 220: A source code patch exists which remedies this problem.</a>
221: <p>
222:
1.37 tb 223: <li id="p013_crypto">
1.44 bentley 224: <strong>013: SECURITY FIX: May 3, 2016</strong>
1.20 tedu 225: <i>All architectures</i><br>
226: Fix issues in the libcrypto library.
227: Refer to <a href="https://www.openssl.org/news/secadv/20160503.txt">the OpenSSL advisory</a>.
228: <ul>
229: <li>Memory corruption in the ASN.1 encoder (CVE-2016-2108)
230: <li>Padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
231: <li>EVP_EncodeUpdate overflow (CVE-2016-2105)
232: <li>EVP_EncryptUpdate overflow (CVE-2016-2106)
233: <li>ASN.1 BIO excessive memory allocation (CVE-2016-2109)
234: </ul>
235: <br>
1.33 tb 236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/013_crypto.patch.sig">
1.20 tedu 237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
1.37 tb 240: <li id="p014_uvideo">
1.44 bentley 241: <strong>014: SECURITY FIX: May 17, 2016</strong>
1.21 kettenis 242: <i>All architectures</i><br>
243: Insufficient checks in the uvideo(4) V4L2 ioctl handling leak kernel
244: memory contents to a local user.
245: <br>
1.33 tb 246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/014_uvideo.patch.sig">
1.21 kettenis 247: A source code patch exists which remedies this problem.</a>
248: <p>
1.20 tedu 249:
1.37 tb 250: <li id="p015_crypto">
1.44 bentley 251: <strong>015: RELIABILITY FIX: May 29, 2016</strong>
1.23 bcook 252: <i>All architectures</i><br>
253: Fix a bug in the libcrypto library when parsing certain ASN.1 elements.
254: <br>
1.33 tb 255: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/015_crypto.patch.sig">
1.23 bcook 256: A source code patch exists which remedies this problem.</a>
257: <p>
1.24 deraadt 258:
1.37 tb 259: <li id="p016_libexpat">
1.44 bentley 260: <strong>016: SECURITY FIX: June 2, 2016</strong>
1.24 deraadt 261: <i>All architectures</i><br>
262: Fix issues in the libexpat library to prevent multiple integer and buffer overflows.
263: <br>
1.33 tb 264: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/016_libexpat.patch.sig">
1.24 deraadt 265: A source code patch exists which remedies this problem.</a>
266: <p>
267:
1.37 tb 268: <li id="p017_crypto">
1.44 bentley 269: <strong>017: SECURITY FIX: June 6, 2016</strong>
1.25 awolk 270: <i>All architectures</i><br>
271: Correct a problem that prevents the DSA signing algorithm from running
272: in constant time even if the flag BN_FLG_CONSTTIME is set.
273: <br>
1.33 tb 274: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/017_crypto.patch.sig">
1.25 awolk 275: A source code patch exists which remedies this problem.</a>
276: <p>
277:
1.37 tb 278: <li id="p018_splice">
1.44 bentley 279: <strong>018: RELIABILITY FIX: July 14, 2016</strong>
1.26 deraadt 280: <i>All architectures</i><br>
281: Splicing sockets in a loop could cause a kernel spin.
282: <br>
1.33 tb 283: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/018_splice.patch.sig">
1.26 deraadt 284: A source code patch exists which remedies this problem.</a>
285: <p>
286:
1.37 tb 287: <li id="p019_dirent">
1.44 bentley 288: <strong>019: RELIABILITY FIX: July 14, 2016</strong>
1.26 deraadt 289: <i>All architectures</i><br>
290: ufs_readdir failed to limit size of memory allocation, leading to panics.
291: <br>
1.33 tb 292: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/019_dirent.patch.sig">
1.26 deraadt 293: A source code patch exists which remedies this problem.</a>
294: <p>
295:
1.37 tb 296: <li id="p020_mmap">
1.44 bentley 297: <strong>020: SECURITY FIX: July 14, 2016</strong>
1.26 deraadt 298: <i>All architectures</i><br>
299: The mmap extension __MAP_NOFAULT could overcommit resources and crash
300: the system.
301: <br>
1.33 tb 302: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/020_mmap.patch.sig">
1.26 deraadt 303: A source code patch exists which remedies this problem.</a>
304: <p>
305:
1.37 tb 306: <li id="p021_timeout">
1.44 bentley 307: <strong>021: RELIABILITY FIX: July 14, 2016</strong>
1.26 deraadt 308: <i>All architectures</i><br>
309: Tick counting overflows could cause a kernel crash.
310: <br>
1.33 tb 311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/021_timeout.patch.sig">
1.26 deraadt 312: A source code patch exists which remedies this problem.</a>
313: <p>
314:
1.37 tb 315: <li id="p022_kevent">
1.44 bentley 316: <strong>022: RELIABILITY FIX: July 14, 2016</strong>
1.26 deraadt 317: <i>All architectures</i><br>
318: Invalid file descriptor use with kevent(2) could lead to a kernel crash.
319: <br>
1.33 tb 320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/022_kevent.patch.sig">
1.26 deraadt 321: A source code patch exists which remedies this problem.</a>
322: <p>
323:
1.37 tb 324: <li id="p023_amap">
1.44 bentley 325: <strong>023: RELIABILITY FIX: July 14, 2016</strong>
1.26 deraadt 326: <i>All architectures</i><br>
327: Unchecked parameters and integer overflows in the amap allocation routines
328: could cause malloc(9) to either not allocate enough memory, leading to memory
329: corruption, or to trigger a "malloc: allocation too large" panic.
330: <br>
1.33 tb 331: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/023_amap.patch.sig">
1.26 deraadt 332: A source code patch exists which remedies this problem.</a>
333: <p>
334:
1.37 tb 335: <li id="p024_relayd">
1.44 bentley 336: <strong>024: RELIABILITY FIX: July 25, 2016</strong>
1.28 benno 337: <i>All architectures</i><br>
338: When signaling an error to an HTTP relay client, the connection can be
339: terminated prematurely, leading to a crash.
340: <br>
1.33 tb 341: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/024_relayd.patch.sig">
1.28 benno 342: A source code patch exists which remedies this problem.</a>
343: <p>
344:
1.37 tb 345: <li id="p025_sysctl">
1.44 bentley 346: <strong>025: RELIABILITY FIX: August 2, 2016</strong>
1.30 tj 347: <i>All architectures</i>
348: <br>
349: A missing NULL check in sysctl code results in a crash.
350: <br>
1.33 tb 351: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/025_sysctl.patch.sig">
1.30 tj 352: A source code patch exists which remedies this problem.</a>
353: <p>
354:
1.37 tb 355: <li id="p026_uvmisavail">
1.44 bentley 356: <strong>026: RELIABILITY FIX: August 2, 2016</strong>
1.30 tj 357: <i>All architectures</i>
358: <br>
359: Missing overflow checks in uvm may result in panics.
360: <br>
1.33 tb 361: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/026_uvmisavail.patch.sig">
1.30 tj 362: A source code patch exists which remedies this problem.</a>
363: <p>
364:
1.37 tb 365: <li id="p027_perl">
1.44 bentley 366: <strong>027: SECURITY FIX: August 6, 2016</strong>
1.31 tj 367: <i>All architectures</i>
368: <br>
369: Don't look in the current working directory for perl modules to load.
1.39 tb 370: See the <a href="https://marc.info/?l=perl5-porters&m=146945269625067&w=2">
1.31 tj 371: perl5-porters announcement</a> for details.
372: <br>
1.33 tb 373: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/027_perl.patch.sig">
1.31 tj 374: A source code patch exists which remedies this problem.</a>
375: <p>
376:
1.37 tb 377: <li id="p028_relayd">
1.44 bentley 378: <strong>028: RELIABILITY FIX: August 6, 2016</strong>
1.31 tj 379: <i>All architectures</i>
380: <br>
381: Improve relayd's parsing of the Host-header by following RFC 7230
382: Section 5.4 more strictly.
383: <br>
1.33 tb 384: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/028_relayd.patch.sig">
1.31 tj 385: A source code patch exists which remedies this problem.</a>
386: <p>
387:
1.1 deraadt 388: </ul>
389:
390: <hr>