Annotation of www/errata57.html, Revision 1.54
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3: <meta charset=utf-8>
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1.39 tj 5: <title>OpenBSD 5.7 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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15:
16:
1.51 bentley 17: <h2 id=OpenBSD>
1.38 deraadt 18: <a href="index.html">
1.51 bentley 19: <i>Open</i><b>BSD</b></a>
20: 5.7 Errata
1.39 tj 21: </h2>
1.38 deraadt 22: <hr>
1.1 deraadt 23:
24: For errata on a certain release, click below:<br>
1.54 ! schwarze 25: <a href="errata20.html">2.0</a>,
1.1 deraadt 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>,
1.54 ! schwarze 41: <br>
1.1 deraadt 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>,
1.54 ! schwarze 58: <br>
1.1 deraadt 59: <a href="errata52.html">5.2</a>,
60: <a href="errata53.html">5.3</a>,
61: <a href="errata54.html">5.4</a>,
62: <a href="errata55.html">5.5</a>,
1.22 deraadt 63: <a href="errata56.html">5.6</a>,
1.35 deraadt 64: <a href="errata58.html">5.8</a>,
1.40 deraadt 65: <a href="errata59.html">5.9</a>,
1.43 tj 66: <a href="errata60.html">6.0</a>,
1.47 deraadt 67: <a href="errata61.html">6.1</a>,
1.48 deraadt 68: <a href="errata62.html">6.2</a>,
1.49 deraadt 69: <a href="errata63.html">6.3</a>,
1.50 deraadt 70: <a href="errata64.html">6.4</a>,
1.53 deraadt 71: <a href="errata65.html">6.5</a>,
72: <a href="errata66.html">6.6</a>.
1.1 deraadt 73: <hr>
74:
75: <p>
1.43 tj 76: Patches for the OpenBSD base system are distributed as unified diffs.
77: Each patch is cryptographically signed with the
1.46 tb 78: <a href="https://man.openbsd.org/OpenBSD-5.7/signify.1">signify(1)</a> tool and contains
1.43 tj 79: usage instructions.
80: All the following patches are also available in one
81: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7.tar.gz">tar.gz file</a>
82: for convenience.
1.1 deraadt 83:
84: <p>
1.43 tj 85: Patches for supported releases are also incorporated into the
1.44 tj 86: <a href="stable.html">-stable branch</a>.
1.1 deraadt 87:
88: <hr>
89:
90: <ul>
91:
1.45 tb 92: <li id="p001_sparc64_miniroot">
1.51 bentley 93: <strong>001: INSTALL ISSUE: May 1, 2015</strong>
1.3 deraadt 94: <i>sparc64</i><br>
95: The "miniroot" install method is broken (related to the addition of
1.9 deraadt 96: softraid support). This method is used by the official CD 3 as
97: well, so it fails to boot on sparc64 machines.
1.3 deraadt 98: <br>
99: No patch is available for obvious reasons, so use a different install method.
100: <p>
101:
1.45 tb 102: <li id="p002_libxfont">
1.51 bentley 103: <strong>002: SECURITY FIX: March 18, 2015</strong>
1.2 tedu 104: <i>All architectures</i><br>
105: Buffer overflows in libXfont
106: <br>
107: For more information, see the
108: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
109: <br>
1.42 tb 110: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/002_libxfont.patch.sig">
1.2 tedu 111: A source code patch exists which remedies this problem.</a>
1.5 tedu 112: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.2 tedu 113: <p>
1.1 deraadt 114:
1.45 tb 115: <li id="p003_openssl">
1.51 bentley 116: <strong>003: SECURITY FIX: March 19, 2015</strong>
1.4 tedu 117: <i>All architectures</i><br>
118: Fix several crash causing defects from OpenSSL.<br>
119: These include:<br>
120: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
121: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
122: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
123: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
124: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
125: <br>
126: Several other issues did not apply or were already fixed.<br>
127: For more information, see the
128: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
129: <br>
1.42 tb 130: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/003_openssl.patch.sig">
1.4 tedu 131: A source code patch exists which remedies this problem.</a>
132: <p>
133:
1.45 tb 134: <li id="p004_smtpd">
1.51 bentley 135: <strong>004: RELIABILITY FIX: April 17, 2015</strong>
1.7 gilles 136: <i>All architectures</i><br>
137: Fix a logic error in smtpd handling of SNI.
138: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
139: <br>
1.42 tb 140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/004_smtpd.patch.sig">
1.11 deraadt 141: A source code patch exists which remedies this problem.</a>
1.7 gilles 142: <p>
1.52 deraadt 143:
1.45 tb 144: <li id="p005_httpd">
1.51 bentley 145: <strong>005: RELIABILITY FIX: April 30, 2015</strong>
1.8 florian 146: <i>All architectures</i><br>
147: A remote user can crash httpd by forcing the daemon to log to a file
148: before the logging system was initialized.
149: <br>
1.42 tb 150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/005_httpd.patch.sig">
1.11 deraadt 151: A source code patch exists which remedies this problem.</a>
1.8 florian 152: <p>
153:
1.45 tb 154: <li id="p006_elf">
1.51 bentley 155: <strong>006: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 156: <i>All architectures</i><br>
157: Malformed binaries could trigger kernel panics or view kernel memory.
158: <br>
1.42 tb 159: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/006_elf.patch.sig">
1.11 deraadt 160: A source code patch exists which remedies this problem.</a>
1.10 guenther 161: <p>
162:
1.45 tb 163: <li id="p007_tar">
1.51 bentley 164: <strong>007: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 165: <i>All architectures</i><br>
166: Multiple issues in tar/pax/cpio:
167: <ul>
168: <li>extracting a malicious archive could create files outside of
169: the current directory without using pre-existing symlinks to 'escape',
170: and could change the timestamps and modes on preexisting files
171: <li>tar without -P would permit extraction of paths with ".." components
172: <li>there was a buffer overflow in the handling of pax extension headers
173: </ul>
1.42 tb 174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/007_tar.patch.sig">
1.14 deraadt 175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.45 tb 178: <li id="p008_smtpd">
1.51 bentley 179: <strong>008: RELIABILITY FIX: June 11, 2015</strong>
1.14 deraadt 180: <i>All architectures</i><br>
181: Fix multiple reliability issues in smtpd:
182: <ul>
183: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
184: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
185: </ul>
1.42 tb 186: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/008_smtpd.patch.sig">
1.14 deraadt 187: A source code patch exists which remedies this problem.</a>
188: <p>
189:
1.45 tb 190: <li id="p009_openssl">
1.51 bentley 191: <strong>009: SECURITY FIX: June 11, 2015</strong>
1.14 deraadt 192: <i>All architectures</i><br>
193: Fix several defects from OpenSSL:
194: <ul>
195: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
196: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
197: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
198: </ul>
1.15 doug 199: Note that CMS was already disabled in LibreSSL.
200: Several other issues did not apply or were already fixed and one is under review.<br>
201: For more information, see the
202: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
203: <br>
1.42 tb 204: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/009_openssl.patch.sig">
1.11 deraadt 205: A source code patch exists which remedies this problem.</a>
1.10 guenther 206: <p>
207:
1.45 tb 208: <li id="p010_tcp">
1.51 bentley 209: <strong>010: SECURITY FIX: July 14, 2015</strong>
1.17 deraadt 210: <i>All architectures</i><br>
211: A TCP socket can become confused and not properly cleanup resources.
212: <br>
1.42 tb 213: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/010_tcp_persist.patch.sig">
1.17 deraadt 214: A source code patch exists which remedies this problem.</a>
215: <p>
216:
1.45 tb 217: <li id="p011_execve">
1.51 bentley 218: <strong>011: RELIABILITY FIX: July 26, 2015</strong>
1.20 deraadt 219: <i>All architectures</i><br>
220: A kernel memory leak could be triggered by an unprivileged user in
221: a failure case when using execve under systrace.
222: <br>
1.42 tb 223: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/011_execve.patch.sig">
1.20 deraadt 224: A source code patch exists which remedies this problem.</a>
225: <p>
226:
1.45 tb 227: <li id="p012_patch">
1.51 bentley 228: <strong>012: SECURITY FIX: July 26, 2015</strong>
1.20 deraadt 229: <i>All architectures</i><br>
230: The patch utility could be made to invoke arbitrary commands via
231: the obsolete RCS support when processing a crafted input file.
232: This patch deletes the RCS support.
233: <br>
1.42 tb 234: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/012_patch.patch.sig">
1.20 deraadt 235: A source code patch exists which remedies this problem.</a>
236: <p>
237:
1.45 tb 238: <li id="p013_patch">
1.51 bentley 239: <strong>013: SECURITY FIX: July 30, 2015</strong>
1.21 deraadt 240: <i>All architectures</i><br>
241: The patch utility could become desyncronized processing ed(1)-style diffs.
242: <br>
1.42 tb 243: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig">
1.21 deraadt 244: A source code patch exists which remedies this problem.</a>
245: <p>
246:
1.45 tb 247: <li id="p014_sshd">
1.51 bentley 248: <strong>014: SECURITY FIX: August 16, 2015</strong>
1.23 sthen 249: <i>All architectures</i><br>
250: A change to sshd resulted in incorrect permissions being applied to pseudo
251: terminal devices, allowing local users to write to (but not read from) them.
252: <br>
1.42 tb 253: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/014_sshd.patch.sig">
1.23 sthen 254: A source code patch exists which remedies this problem.</a>
255: <p>
256:
1.45 tb 257: <li id="p015_relayd">
1.51 bentley 258: <strong>015: RELIABILITY FIX: September 28, 2015</strong>
1.24 benno 259: <i>All architectures</i><br>
260: Various problems were identified in relayd and merged back from
1.52 deraadt 261: current to 5.7 in this maintanance update.
1.24 benno 262: <br>
1.42 tb 263: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/015_relayd.patch.sig">
1.24 benno 264: A source code patch exists which remedies this problem.</a>
265: <p>
266:
1.45 tb 267: <li id="p016_uvm">
1.51 bentley 268: <strong>016: RELIABILITY FIX: September 28, 2015</strong>
1.25 deraadt 269: <i>All architectures</i><br>
270: An incorrect operation in uvm could result in system panics.
271: <br>
1.42 tb 272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/016_uvm.patch.sig">
1.25 deraadt 273: A source code patch exists which remedies this problem.</a>
274: <p>
275:
1.45 tb 276: <li id="p017_smtpd">
1.51 bentley 277: <strong>017: SECURITY FIX: October 1, 2015</strong>
1.26 deraadt 278: <i>All architectures</i><br>
279: Fix multiple reliability and security issues in smtpd:<br>
280: <ul>
281: <li>local and remote users could make smtpd crash or stop serving requests.
282: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
283: process could allow a local user to cause a crash or potentially
284: execute arbitrary code.
285: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
286: process could allow a remote attacker to cause a crash or potentially
287: execute arbitrary code.
288: <li>hardlink and symlink attacks allowed a local user to unset chflags or
289: leak the first line of an arbitrary file.
290: </ul>
1.42 tb 291: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/017_smtpd.patch.sig">
1.26 deraadt 292: A source code patch exists which remedies this problem.</a>
293: <p>
294:
1.45 tb 295: <li id="p018_kevent">
1.51 bentley 296: <strong>018: RELIABILITY FIX: October 14, 2015</strong>
1.27 sthen 297: <i>All architectures</i><br>
298: A problem with timer kevents could result in a kernel hang (local denial
299: of service).<br>
1.42 tb 300: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/018_kevent.patch.sig">
1.27 sthen 301: A source code patch exists which remedies this problem.</a>
302: <p>
303:
1.45 tb 304: <li id="p019_obj2txt">
1.51 bentley 305: <strong>019: RELIABILITY FIX: October 15, 2015</strong>
1.28 tedu 306: <i>All architectures</i><br>
307: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
308: and memory leak, as reported by Qualys Security.<br>
1.42 tb 309: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/019_obj2txt.patch.sig">
1.28 tedu 310: A source code patch exists which remedies this problem.</a>
311: <p>
312:
1.45 tb 313: <li id="p020_rsn">
1.51 bentley 314: <strong>020: RELIABILITY FIX: November 9, 2015</strong>
1.29 stsp 315: <i>All architectures</i><br>
316: Insufficient validation of RSN element group cipher values in 802.11
317: beacons and probe responses could result in system panics.<br>
1.42 tb 318: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/020_rsn.patch.sig">
1.29 stsp 319: A source code patch exists which remedies this problem.</a>
320: <p>
321:
1.45 tb 322: <li id="p021_clientcert">
1.51 bentley 323: <strong>021: RELIABILITY FIX: Dec 3, 2015</strong>
1.30 beck 324: <i>All architectures</i><br>
325: A NULL pointer deference could be triggered by a crafted certificate sent to
1.32 jasper 326: services configured to verify client certificates on TLS/SSL connections.<br>
1.42 tb 327: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/021_clientcert.patch.sig">
1.30 beck 328: A source code patch exists which remedies this problem.</a>
329: <p>
330:
1.45 tb 331: <li id="p022_sshd">
1.51 bentley 332: <strong>022: SECURITY FIX: January 14, 2016</strong>
1.33 deraadt 333: <i>All architectures</i><br>
334: Experimental roaming code in the ssh client could be tricked by a hostile sshd
1.34 deraadt 335: server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
1.33 deraadt 336: <br>
337: Prevent this problem immediately by adding the line "UseRoaming no" to
338: <b>/etc/ssh/ssh_config</b>.
339: <br>
1.42 tb 340: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/022_ssh.patch.sig">
1.33 deraadt 341: A source code patch exists which remedies this problem.</a>
342: <p>
343:
1.45 tb 344: <li id="p023_sshd">
1.51 bentley 345: <strong>023: SECURITY FIX: March 10, 2016</strong>
1.36 deraadt 346: <i>All architectures</i><br>
1.42 tb 347: <a href="https://www.openssh.com/txt/x11fwd.adv">
1.36 deraadt 348: Lack of credential sanitization allows injection of commands to xauth(1).</a>
349: <br>
350: Prevent this problem immediately by not using the "X11Forwarding" feature
351: (which is disabled by default)
352: <br>
1.42 tb 353: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/023_sshd.patch.sig">
1.36 deraadt 354: A source code patch exists which remedies this problem.</a>
355: <p>
356:
1.45 tb 357: <li id="p024_in6bind">
1.51 bentley 358: <strong>024: SECURITY FIX: March 16, 2016</strong>
1.37 deraadt 359: <i>All architectures</i><br>
360: Insufficient checks in IPv6 socket binding and UDP IPv6 option
361: processing allow a local user to send UDP packets with a source
362: (IPv6 address + port) already reserved by another user.
363: <br>
1.42 tb 364: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/024_in6bind.patch.sig">
1.37 deraadt 365: A source code patch exists which remedies this problem.</a>
366: <p>
367:
1.1 deraadt 368: </ul>
369:
370: <hr>