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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>
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>,
1.55 deraadt 72: <a href="errata66.html">6.6</a>,
1.56 deraadt 73: <a href="errata67.html">6.7</a>,
74: <a href="errata68.html">6.8</a>.
1.1 deraadt 75: <hr>
76:
77: <p>
1.43 tj 78: Patches for the OpenBSD base system are distributed as unified diffs.
79: Each patch is cryptographically signed with the
1.46 tb 80: <a href="https://man.openbsd.org/OpenBSD-5.7/signify.1">signify(1)</a> tool and contains
1.43 tj 81: usage instructions.
82: All the following patches are also available in one
83: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7.tar.gz">tar.gz file</a>
84: for convenience.
1.1 deraadt 85:
86: <p>
1.43 tj 87: Patches for supported releases are also incorporated into the
1.44 tj 88: <a href="stable.html">-stable branch</a>.
1.1 deraadt 89:
90: <hr>
91:
92: <ul>
93:
1.45 tb 94: <li id="p001_sparc64_miniroot">
1.51 bentley 95: <strong>001: INSTALL ISSUE: May 1, 2015</strong>
1.3 deraadt 96: <i>sparc64</i><br>
97: The "miniroot" install method is broken (related to the addition of
1.9 deraadt 98: softraid support). This method is used by the official CD 3 as
99: well, so it fails to boot on sparc64 machines.
1.3 deraadt 100: <br>
101: No patch is available for obvious reasons, so use a different install method.
102: <p>
103:
1.45 tb 104: <li id="p002_libxfont">
1.51 bentley 105: <strong>002: SECURITY FIX: March 18, 2015</strong>
1.2 tedu 106: <i>All architectures</i><br>
107: Buffer overflows in libXfont
108: <br>
109: For more information, see the
110: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
111: <br>
1.42 tb 112: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/002_libxfont.patch.sig">
1.2 tedu 113: A source code patch exists which remedies this problem.</a>
1.5 tedu 114: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.2 tedu 115: <p>
1.1 deraadt 116:
1.45 tb 117: <li id="p003_openssl">
1.51 bentley 118: <strong>003: SECURITY FIX: March 19, 2015</strong>
1.4 tedu 119: <i>All architectures</i><br>
120: Fix several crash causing defects from OpenSSL.<br>
121: These include:<br>
122: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
123: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
124: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
125: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
126: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
127: <br>
128: Several other issues did not apply or were already fixed.<br>
129: For more information, see the
130: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
131: <br>
1.42 tb 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/003_openssl.patch.sig">
1.4 tedu 133: A source code patch exists which remedies this problem.</a>
134: <p>
135:
1.45 tb 136: <li id="p004_smtpd">
1.51 bentley 137: <strong>004: RELIABILITY FIX: April 17, 2015</strong>
1.7 gilles 138: <i>All architectures</i><br>
139: Fix a logic error in smtpd handling of SNI.
140: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
141: <br>
1.42 tb 142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/004_smtpd.patch.sig">
1.11 deraadt 143: A source code patch exists which remedies this problem.</a>
1.7 gilles 144: <p>
1.52 deraadt 145:
1.45 tb 146: <li id="p005_httpd">
1.51 bentley 147: <strong>005: RELIABILITY FIX: April 30, 2015</strong>
1.8 florian 148: <i>All architectures</i><br>
149: A remote user can crash httpd by forcing the daemon to log to a file
150: before the logging system was initialized.
151: <br>
1.42 tb 152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/005_httpd.patch.sig">
1.11 deraadt 153: A source code patch exists which remedies this problem.</a>
1.8 florian 154: <p>
155:
1.45 tb 156: <li id="p006_elf">
1.51 bentley 157: <strong>006: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 158: <i>All architectures</i><br>
159: Malformed binaries could trigger kernel panics or view kernel memory.
160: <br>
1.42 tb 161: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/006_elf.patch.sig">
1.11 deraadt 162: A source code patch exists which remedies this problem.</a>
1.10 guenther 163: <p>
164:
1.45 tb 165: <li id="p007_tar">
1.51 bentley 166: <strong>007: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 167: <i>All architectures</i><br>
168: Multiple issues in tar/pax/cpio:
169: <ul>
170: <li>extracting a malicious archive could create files outside of
171: the current directory without using pre-existing symlinks to 'escape',
172: and could change the timestamps and modes on preexisting files
173: <li>tar without -P would permit extraction of paths with ".." components
174: <li>there was a buffer overflow in the handling of pax extension headers
175: </ul>
1.42 tb 176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/007_tar.patch.sig">
1.14 deraadt 177: A source code patch exists which remedies this problem.</a>
178: <p>
179:
1.45 tb 180: <li id="p008_smtpd">
1.51 bentley 181: <strong>008: RELIABILITY FIX: June 11, 2015</strong>
1.14 deraadt 182: <i>All architectures</i><br>
183: Fix multiple reliability issues in smtpd:
184: <ul>
185: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
186: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
187: </ul>
1.42 tb 188: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/008_smtpd.patch.sig">
1.14 deraadt 189: A source code patch exists which remedies this problem.</a>
190: <p>
191:
1.45 tb 192: <li id="p009_openssl">
1.51 bentley 193: <strong>009: SECURITY FIX: June 11, 2015</strong>
1.14 deraadt 194: <i>All architectures</i><br>
195: Fix several defects from OpenSSL:
196: <ul>
197: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
198: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
199: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
200: </ul>
1.15 doug 201: Note that CMS was already disabled in LibreSSL.
202: Several other issues did not apply or were already fixed and one is under review.<br>
203: For more information, see the
204: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
205: <br>
1.42 tb 206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/009_openssl.patch.sig">
1.11 deraadt 207: A source code patch exists which remedies this problem.</a>
1.10 guenther 208: <p>
209:
1.45 tb 210: <li id="p010_tcp">
1.51 bentley 211: <strong>010: SECURITY FIX: July 14, 2015</strong>
1.17 deraadt 212: <i>All architectures</i><br>
213: A TCP socket can become confused and not properly cleanup resources.
214: <br>
1.42 tb 215: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/010_tcp_persist.patch.sig">
1.17 deraadt 216: A source code patch exists which remedies this problem.</a>
217: <p>
218:
1.45 tb 219: <li id="p011_execve">
1.51 bentley 220: <strong>011: RELIABILITY FIX: July 26, 2015</strong>
1.20 deraadt 221: <i>All architectures</i><br>
222: A kernel memory leak could be triggered by an unprivileged user in
223: a failure case when using execve under systrace.
224: <br>
1.42 tb 225: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/011_execve.patch.sig">
1.20 deraadt 226: A source code patch exists which remedies this problem.</a>
227: <p>
228:
1.45 tb 229: <li id="p012_patch">
1.51 bentley 230: <strong>012: SECURITY FIX: July 26, 2015</strong>
1.20 deraadt 231: <i>All architectures</i><br>
232: The patch utility could be made to invoke arbitrary commands via
233: the obsolete RCS support when processing a crafted input file.
234: This patch deletes the RCS support.
235: <br>
1.42 tb 236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/012_patch.patch.sig">
1.20 deraadt 237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
1.45 tb 240: <li id="p013_patch">
1.51 bentley 241: <strong>013: SECURITY FIX: July 30, 2015</strong>
1.21 deraadt 242: <i>All architectures</i><br>
243: The patch utility could become desyncronized processing ed(1)-style diffs.
244: <br>
1.42 tb 245: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig">
1.21 deraadt 246: A source code patch exists which remedies this problem.</a>
247: <p>
248:
1.45 tb 249: <li id="p014_sshd">
1.51 bentley 250: <strong>014: SECURITY FIX: August 16, 2015</strong>
1.23 sthen 251: <i>All architectures</i><br>
252: A change to sshd resulted in incorrect permissions being applied to pseudo
253: terminal devices, allowing local users to write to (but not read from) them.
254: <br>
1.42 tb 255: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/014_sshd.patch.sig">
1.23 sthen 256: A source code patch exists which remedies this problem.</a>
257: <p>
258:
1.45 tb 259: <li id="p015_relayd">
1.51 bentley 260: <strong>015: RELIABILITY FIX: September 28, 2015</strong>
1.24 benno 261: <i>All architectures</i><br>
262: Various problems were identified in relayd and merged back from
1.57 ! jsg 263: current to 5.7 in this maintenance update.
1.24 benno 264: <br>
1.42 tb 265: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/015_relayd.patch.sig">
1.24 benno 266: A source code patch exists which remedies this problem.</a>
267: <p>
268:
1.45 tb 269: <li id="p016_uvm">
1.51 bentley 270: <strong>016: RELIABILITY FIX: September 28, 2015</strong>
1.25 deraadt 271: <i>All architectures</i><br>
272: An incorrect operation in uvm could result in system panics.
273: <br>
1.42 tb 274: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/016_uvm.patch.sig">
1.25 deraadt 275: A source code patch exists which remedies this problem.</a>
276: <p>
277:
1.45 tb 278: <li id="p017_smtpd">
1.51 bentley 279: <strong>017: SECURITY FIX: October 1, 2015</strong>
1.26 deraadt 280: <i>All architectures</i><br>
281: Fix multiple reliability and security issues in smtpd:<br>
282: <ul>
283: <li>local and remote users could make smtpd crash or stop serving requests.
284: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
285: process could allow a local user to cause a crash or potentially
286: execute arbitrary code.
287: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
288: process could allow a remote attacker to cause a crash or potentially
289: execute arbitrary code.
290: <li>hardlink and symlink attacks allowed a local user to unset chflags or
291: leak the first line of an arbitrary file.
292: </ul>
1.42 tb 293: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/017_smtpd.patch.sig">
1.26 deraadt 294: A source code patch exists which remedies this problem.</a>
295: <p>
296:
1.45 tb 297: <li id="p018_kevent">
1.51 bentley 298: <strong>018: RELIABILITY FIX: October 14, 2015</strong>
1.27 sthen 299: <i>All architectures</i><br>
300: A problem with timer kevents could result in a kernel hang (local denial
301: of service).<br>
1.42 tb 302: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/018_kevent.patch.sig">
1.27 sthen 303: A source code patch exists which remedies this problem.</a>
304: <p>
305:
1.45 tb 306: <li id="p019_obj2txt">
1.51 bentley 307: <strong>019: RELIABILITY FIX: October 15, 2015</strong>
1.28 tedu 308: <i>All architectures</i><br>
309: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
310: and memory leak, as reported by Qualys Security.<br>
1.42 tb 311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/019_obj2txt.patch.sig">
1.28 tedu 312: A source code patch exists which remedies this problem.</a>
313: <p>
314:
1.45 tb 315: <li id="p020_rsn">
1.51 bentley 316: <strong>020: RELIABILITY FIX: November 9, 2015</strong>
1.29 stsp 317: <i>All architectures</i><br>
318: Insufficient validation of RSN element group cipher values in 802.11
319: beacons and probe responses could result in system panics.<br>
1.42 tb 320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/020_rsn.patch.sig">
1.29 stsp 321: A source code patch exists which remedies this problem.</a>
322: <p>
323:
1.45 tb 324: <li id="p021_clientcert">
1.51 bentley 325: <strong>021: RELIABILITY FIX: Dec 3, 2015</strong>
1.30 beck 326: <i>All architectures</i><br>
327: A NULL pointer deference could be triggered by a crafted certificate sent to
1.32 jasper 328: services configured to verify client certificates on TLS/SSL connections.<br>
1.42 tb 329: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/021_clientcert.patch.sig">
1.30 beck 330: A source code patch exists which remedies this problem.</a>
331: <p>
332:
1.45 tb 333: <li id="p022_sshd">
1.51 bentley 334: <strong>022: SECURITY FIX: January 14, 2016</strong>
1.33 deraadt 335: <i>All architectures</i><br>
336: Experimental roaming code in the ssh client could be tricked by a hostile sshd
1.34 deraadt 337: server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
1.33 deraadt 338: <br>
339: Prevent this problem immediately by adding the line "UseRoaming no" to
340: <b>/etc/ssh/ssh_config</b>.
341: <br>
1.42 tb 342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/022_ssh.patch.sig">
1.33 deraadt 343: A source code patch exists which remedies this problem.</a>
344: <p>
345:
1.45 tb 346: <li id="p023_sshd">
1.51 bentley 347: <strong>023: SECURITY FIX: March 10, 2016</strong>
1.36 deraadt 348: <i>All architectures</i><br>
1.42 tb 349: <a href="https://www.openssh.com/txt/x11fwd.adv">
1.36 deraadt 350: Lack of credential sanitization allows injection of commands to xauth(1).</a>
351: <br>
352: Prevent this problem immediately by not using the "X11Forwarding" feature
353: (which is disabled by default)
354: <br>
1.42 tb 355: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/023_sshd.patch.sig">
1.36 deraadt 356: A source code patch exists which remedies this problem.</a>
357: <p>
358:
1.45 tb 359: <li id="p024_in6bind">
1.51 bentley 360: <strong>024: SECURITY FIX: March 16, 2016</strong>
1.37 deraadt 361: <i>All architectures</i><br>
362: Insufficient checks in IPv6 socket binding and UDP IPv6 option
363: processing allow a local user to send UDP packets with a source
364: (IPv6 address + port) already reserved by another user.
365: <br>
1.42 tb 366: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/024_in6bind.patch.sig">
1.37 deraadt 367: A source code patch exists which remedies this problem.</a>
368: <p>
369:
1.1 deraadt 370: </ul>
371:
372: <hr>
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