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