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