Annotation of www/errata57.html, Revision 1.62
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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>,
1.55 deraadt 72: <a href="errata66.html">6.6</a>,
1.56 deraadt 73: <a href="errata67.html">6.7</a>,
1.58 deraadt 74: <a href="errata68.html">6.8</a>,
1.59 tj 75: <br>
1.60 deraadt 76: <a href="errata69.html">6.9</a>,
1.61 deraadt 77: <a href="errata70.html">7.0</a>,
1.62 ! deraadt 78: <a href="errata71.html">7.1</a>,
! 79: <a href="errata72.html">7.2</a>.
1.1 deraadt 80: <hr>
81:
82: <p>
1.43 tj 83: Patches for the OpenBSD base system are distributed as unified diffs.
84: Each patch is cryptographically signed with the
1.46 tb 85: <a href="https://man.openbsd.org/OpenBSD-5.7/signify.1">signify(1)</a> tool and contains
1.43 tj 86: usage instructions.
87: All the following patches are also available in one
88: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7.tar.gz">tar.gz file</a>
89: for convenience.
1.1 deraadt 90:
91: <p>
1.43 tj 92: Patches for supported releases are also incorporated into the
1.44 tj 93: <a href="stable.html">-stable branch</a>.
1.1 deraadt 94:
95: <hr>
96:
97: <ul>
98:
1.45 tb 99: <li id="p001_sparc64_miniroot">
1.51 bentley 100: <strong>001: INSTALL ISSUE: May 1, 2015</strong>
1.3 deraadt 101: <i>sparc64</i><br>
102: The "miniroot" install method is broken (related to the addition of
1.9 deraadt 103: softraid support). This method is used by the official CD 3 as
104: well, so it fails to boot on sparc64 machines.
1.3 deraadt 105: <br>
106: No patch is available for obvious reasons, so use a different install method.
107: <p>
108:
1.45 tb 109: <li id="p002_libxfont">
1.51 bentley 110: <strong>002: SECURITY FIX: March 18, 2015</strong>
1.2 tedu 111: <i>All architectures</i><br>
112: Buffer overflows in libXfont
113: <br>
114: For more information, see the
115: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
116: <br>
1.42 tb 117: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/002_libxfont.patch.sig">
1.2 tedu 118: A source code patch exists which remedies this problem.</a>
1.5 tedu 119: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.2 tedu 120: <p>
1.1 deraadt 121:
1.45 tb 122: <li id="p003_openssl">
1.51 bentley 123: <strong>003: SECURITY FIX: March 19, 2015</strong>
1.4 tedu 124: <i>All architectures</i><br>
125: Fix several crash causing defects from OpenSSL.<br>
126: These include:<br>
127: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
128: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
129: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
130: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
131: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
132: <br>
133: Several other issues did not apply or were already fixed.<br>
134: For more information, see the
135: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
136: <br>
1.42 tb 137: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/003_openssl.patch.sig">
1.4 tedu 138: A source code patch exists which remedies this problem.</a>
139: <p>
140:
1.45 tb 141: <li id="p004_smtpd">
1.51 bentley 142: <strong>004: RELIABILITY FIX: April 17, 2015</strong>
1.7 gilles 143: <i>All architectures</i><br>
144: Fix a logic error in smtpd handling of SNI.
145: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
146: <br>
1.42 tb 147: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/004_smtpd.patch.sig">
1.11 deraadt 148: A source code patch exists which remedies this problem.</a>
1.7 gilles 149: <p>
1.52 deraadt 150:
1.45 tb 151: <li id="p005_httpd">
1.51 bentley 152: <strong>005: RELIABILITY FIX: April 30, 2015</strong>
1.8 florian 153: <i>All architectures</i><br>
154: A remote user can crash httpd by forcing the daemon to log to a file
155: before the logging system was initialized.
156: <br>
1.42 tb 157: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/005_httpd.patch.sig">
1.11 deraadt 158: A source code patch exists which remedies this problem.</a>
1.8 florian 159: <p>
160:
1.45 tb 161: <li id="p006_elf">
1.51 bentley 162: <strong>006: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 163: <i>All architectures</i><br>
164: Malformed binaries could trigger kernel panics or view kernel memory.
165: <br>
1.42 tb 166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/006_elf.patch.sig">
1.11 deraadt 167: A source code patch exists which remedies this problem.</a>
1.10 guenther 168: <p>
169:
1.45 tb 170: <li id="p007_tar">
1.51 bentley 171: <strong>007: SECURITY FIX: April 30, 2015</strong>
1.10 guenther 172: <i>All architectures</i><br>
173: Multiple issues in tar/pax/cpio:
174: <ul>
175: <li>extracting a malicious archive could create files outside of
176: the current directory without using pre-existing symlinks to 'escape',
177: and could change the timestamps and modes on preexisting files
178: <li>tar without -P would permit extraction of paths with ".." components
179: <li>there was a buffer overflow in the handling of pax extension headers
180: </ul>
1.42 tb 181: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/007_tar.patch.sig">
1.14 deraadt 182: A source code patch exists which remedies this problem.</a>
183: <p>
184:
1.45 tb 185: <li id="p008_smtpd">
1.51 bentley 186: <strong>008: RELIABILITY FIX: June 11, 2015</strong>
1.14 deraadt 187: <i>All architectures</i><br>
188: Fix multiple reliability issues in smtpd:
189: <ul>
190: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
191: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
192: </ul>
1.42 tb 193: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/008_smtpd.patch.sig">
1.14 deraadt 194: A source code patch exists which remedies this problem.</a>
195: <p>
196:
1.45 tb 197: <li id="p009_openssl">
1.51 bentley 198: <strong>009: SECURITY FIX: June 11, 2015</strong>
1.14 deraadt 199: <i>All architectures</i><br>
200: Fix several defects from OpenSSL:
201: <ul>
202: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
203: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
204: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
205: </ul>
1.15 doug 206: Note that CMS was already disabled in LibreSSL.
207: Several other issues did not apply or were already fixed and one is under review.<br>
208: For more information, see the
209: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
210: <br>
1.42 tb 211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/009_openssl.patch.sig">
1.11 deraadt 212: A source code patch exists which remedies this problem.</a>
1.10 guenther 213: <p>
214:
1.45 tb 215: <li id="p010_tcp">
1.51 bentley 216: <strong>010: SECURITY FIX: July 14, 2015</strong>
1.17 deraadt 217: <i>All architectures</i><br>
218: A TCP socket can become confused and not properly cleanup resources.
219: <br>
1.42 tb 220: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/010_tcp_persist.patch.sig">
1.17 deraadt 221: A source code patch exists which remedies this problem.</a>
222: <p>
223:
1.45 tb 224: <li id="p011_execve">
1.51 bentley 225: <strong>011: RELIABILITY FIX: July 26, 2015</strong>
1.20 deraadt 226: <i>All architectures</i><br>
227: A kernel memory leak could be triggered by an unprivileged user in
228: a failure case when using execve under systrace.
229: <br>
1.42 tb 230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/011_execve.patch.sig">
1.20 deraadt 231: A source code patch exists which remedies this problem.</a>
232: <p>
233:
1.45 tb 234: <li id="p012_patch">
1.51 bentley 235: <strong>012: SECURITY FIX: July 26, 2015</strong>
1.20 deraadt 236: <i>All architectures</i><br>
237: The patch utility could be made to invoke arbitrary commands via
238: the obsolete RCS support when processing a crafted input file.
239: This patch deletes the RCS support.
240: <br>
1.42 tb 241: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/012_patch.patch.sig">
1.20 deraadt 242: A source code patch exists which remedies this problem.</a>
243: <p>
244:
1.45 tb 245: <li id="p013_patch">
1.51 bentley 246: <strong>013: SECURITY FIX: July 30, 2015</strong>
1.21 deraadt 247: <i>All architectures</i><br>
248: The patch utility could become desyncronized processing ed(1)-style diffs.
249: <br>
1.42 tb 250: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig">
1.21 deraadt 251: A source code patch exists which remedies this problem.</a>
252: <p>
253:
1.45 tb 254: <li id="p014_sshd">
1.51 bentley 255: <strong>014: SECURITY FIX: August 16, 2015</strong>
1.23 sthen 256: <i>All architectures</i><br>
257: A change to sshd resulted in incorrect permissions being applied to pseudo
258: terminal devices, allowing local users to write to (but not read from) them.
259: <br>
1.42 tb 260: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/014_sshd.patch.sig">
1.23 sthen 261: A source code patch exists which remedies this problem.</a>
262: <p>
263:
1.45 tb 264: <li id="p015_relayd">
1.51 bentley 265: <strong>015: RELIABILITY FIX: September 28, 2015</strong>
1.24 benno 266: <i>All architectures</i><br>
267: Various problems were identified in relayd and merged back from
1.57 jsg 268: current to 5.7 in this maintenance update.
1.24 benno 269: <br>
1.42 tb 270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/015_relayd.patch.sig">
1.24 benno 271: A source code patch exists which remedies this problem.</a>
272: <p>
273:
1.45 tb 274: <li id="p016_uvm">
1.51 bentley 275: <strong>016: RELIABILITY FIX: September 28, 2015</strong>
1.25 deraadt 276: <i>All architectures</i><br>
277: An incorrect operation in uvm could result in system panics.
278: <br>
1.42 tb 279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/016_uvm.patch.sig">
1.25 deraadt 280: A source code patch exists which remedies this problem.</a>
281: <p>
282:
1.45 tb 283: <li id="p017_smtpd">
1.51 bentley 284: <strong>017: SECURITY FIX: October 1, 2015</strong>
1.26 deraadt 285: <i>All architectures</i><br>
286: Fix multiple reliability and security issues in smtpd:<br>
287: <ul>
288: <li>local and remote users could make smtpd crash or stop serving requests.
289: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
290: process could allow a local user to cause a crash or potentially
291: execute arbitrary code.
292: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
293: process could allow a remote attacker to cause a crash or potentially
294: execute arbitrary code.
295: <li>hardlink and symlink attacks allowed a local user to unset chflags or
296: leak the first line of an arbitrary file.
297: </ul>
1.42 tb 298: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/017_smtpd.patch.sig">
1.26 deraadt 299: A source code patch exists which remedies this problem.</a>
300: <p>
301:
1.45 tb 302: <li id="p018_kevent">
1.51 bentley 303: <strong>018: RELIABILITY FIX: October 14, 2015</strong>
1.27 sthen 304: <i>All architectures</i><br>
305: A problem with timer kevents could result in a kernel hang (local denial
306: of service).<br>
1.42 tb 307: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/018_kevent.patch.sig">
1.27 sthen 308: A source code patch exists which remedies this problem.</a>
309: <p>
310:
1.45 tb 311: <li id="p019_obj2txt">
1.51 bentley 312: <strong>019: RELIABILITY FIX: October 15, 2015</strong>
1.28 tedu 313: <i>All architectures</i><br>
314: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
315: and memory leak, as reported by Qualys Security.<br>
1.42 tb 316: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/019_obj2txt.patch.sig">
1.28 tedu 317: A source code patch exists which remedies this problem.</a>
318: <p>
319:
1.45 tb 320: <li id="p020_rsn">
1.51 bentley 321: <strong>020: RELIABILITY FIX: November 9, 2015</strong>
1.29 stsp 322: <i>All architectures</i><br>
323: Insufficient validation of RSN element group cipher values in 802.11
324: beacons and probe responses could result in system panics.<br>
1.42 tb 325: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/020_rsn.patch.sig">
1.29 stsp 326: A source code patch exists which remedies this problem.</a>
327: <p>
328:
1.45 tb 329: <li id="p021_clientcert">
1.51 bentley 330: <strong>021: RELIABILITY FIX: Dec 3, 2015</strong>
1.30 beck 331: <i>All architectures</i><br>
332: A NULL pointer deference could be triggered by a crafted certificate sent to
1.32 jasper 333: services configured to verify client certificates on TLS/SSL connections.<br>
1.42 tb 334: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/021_clientcert.patch.sig">
1.30 beck 335: A source code patch exists which remedies this problem.</a>
336: <p>
337:
1.45 tb 338: <li id="p022_sshd">
1.51 bentley 339: <strong>022: SECURITY FIX: January 14, 2016</strong>
1.33 deraadt 340: <i>All architectures</i><br>
341: Experimental roaming code in the ssh client could be tricked by a hostile sshd
1.34 deraadt 342: server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
1.33 deraadt 343: <br>
344: Prevent this problem immediately by adding the line "UseRoaming no" to
345: <b>/etc/ssh/ssh_config</b>.
346: <br>
1.42 tb 347: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/022_ssh.patch.sig">
1.33 deraadt 348: A source code patch exists which remedies this problem.</a>
349: <p>
350:
1.45 tb 351: <li id="p023_sshd">
1.51 bentley 352: <strong>023: SECURITY FIX: March 10, 2016</strong>
1.36 deraadt 353: <i>All architectures</i><br>
1.42 tb 354: <a href="https://www.openssh.com/txt/x11fwd.adv">
1.36 deraadt 355: Lack of credential sanitization allows injection of commands to xauth(1).</a>
356: <br>
357: Prevent this problem immediately by not using the "X11Forwarding" feature
358: (which is disabled by default)
359: <br>
1.42 tb 360: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/023_sshd.patch.sig">
1.36 deraadt 361: A source code patch exists which remedies this problem.</a>
362: <p>
363:
1.45 tb 364: <li id="p024_in6bind">
1.51 bentley 365: <strong>024: SECURITY FIX: March 16, 2016</strong>
1.37 deraadt 366: <i>All architectures</i><br>
367: Insufficient checks in IPv6 socket binding and UDP IPv6 option
368: processing allow a local user to send UDP packets with a source
369: (IPv6 address + port) already reserved by another user.
370: <br>
1.42 tb 371: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/024_in6bind.patch.sig">
1.37 deraadt 372: A source code patch exists which remedies this problem.</a>
373: <p>
374:
1.1 deraadt 375: </ul>
376:
377: <hr>