Annotation of www/errata67.html, Revision 1.40
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3: <meta charset=utf-8>
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5: <title>OpenBSD 6.7 Errata</title>
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1.2 schwarze 9: <link rel="canonical" href="https://www.openbsd.org/errata67.html">
1.1 deraadt 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
14: -->
15:
16: <h2 id=OpenBSD>
17: <a href="index.html">
18: <i>Open</i><b>BSD</b></a>
19: 6.7 Errata
20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.2 schwarze 24: <a href="errata20.html">2.0</a>,
1.1 deraadt 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>,
1.2 schwarze 40: <br>
1.1 deraadt 41: <a href="errata36.html">3.6</a>,
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>,
1.2 schwarze 57: <br>
1.1 deraadt 58: <a href="errata52.html">5.2</a>,
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
61: <a href="errata55.html">5.5</a>,
62: <a href="errata56.html">5.6</a>,
63: <a href="errata57.html">5.7</a>,
64: <a href="errata58.html">5.8</a>,
65: <a href="errata59.html">5.9</a>,
66: <a href="errata60.html">6.0</a>,
67: <a href="errata61.html">6.1</a>,
68: <a href="errata62.html">6.2</a>,
69: <a href="errata63.html">6.3</a>,
70: <a href="errata64.html">6.4</a>,
71: <a href="errata65.html">6.5</a>,
1.24 deraadt 72: <a href="errata66.html">6.6</a>,
1.38 deraadt 73: <a href="errata68.html">6.8</a>,
1.40 ! tj 74: <br>
1.38 deraadt 75: <a href="errata69.html">6.9</a>.
1.1 deraadt 76: <hr>
77:
78: <p>
79: Patches for the OpenBSD base system are distributed as unified diffs.
80: Each patch is cryptographically signed with the
81: <a href="https://man.openbsd.org/OpenBSD-6.7/signify.1">signify(1)</a> tool and contains
82: usage instructions.
83: All the following patches are also available in one
84: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7.tar.gz">tar.gz file</a>
85: for convenience.
86:
87: <p>
88: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
89: utility can be used to apply binary updates on the following architectures:
90: amd64, i386, arm64.
91:
92: <p>
93: Patches for supported releases are also incorporated into the
94: <a href="stable.html">-stable branch</a>, which is maintained for one year
95: after release.
96:
97: <hr>
98:
99: <ul>
100:
1.3 tj 101: <li id="p001_wscons">
102: <strong>001: SECURITY FIX: May 19, 2020</strong>
103: <i>All architectures</i>
104: <br>
105: An out-of-bounds index access in wscons(4) can cause a kernel crash.
106: <br>
107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/001_wscons.patch.sig">
108: A source code patch exists which remedies this problem.</a>
109: <p>
1.1 deraadt 110:
1.5 tj 111: <li id="p002_rpki">
1.4 tj 112: <strong>002: RELIABILITY FIX: May 22, 2020</strong>
113: <i>All architectures</i>
114: <br>
115: rpki-client could hang because of an improper waitpid idiom for rsync
116: processes.
117: <br>
1.5 tj 118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/002_rpki.patch.sig">
1.4 tj 119: A source code patch exists which remedies this problem.</a>
120: <p>
121:
1.5 tj 122: <li id="p003_ssh">
1.4 tj 123: <strong>003: SECURITY FIX: May 22, 2020</strong>
124: <i>All architectures</i>
125: <br>
126: When attempting to download resident keys from a FIDO token that does
127: not require a password/PIN, ssh-keygen would crash with a NULL
128: dereference.
129: <br>
1.5 tj 130: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/003_ssh.patch.sig">
1.4 tj 131: A source code patch exists which remedies this problem.</a>
132: <p>
133:
1.6 tj 134: <li id="p004_libssl">
135: <strong>004: RELIABILITY FIX: May 22, 2020</strong>
136: <i>All architectures</i>
137: <br>
138: A TLS client with peer verification disabled may crash when contacting a
139: server that sends an empty certificate list.
140: <br>
141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/004_libssl.patch.sig">
142: A source code patch exists which remedies this problem.</a>
143: <p>
144:
145: <li id="p005_unbound">
146: <strong>005: SECURITY FIX: May 22, 2020</strong>
147: <i>All architectures</i>
148: <br>
149: Specially crafted queries may crash unbound and unwind.
150: Both can be tricked into amplifying an incoming query.
151: <br>
152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/005_unbound.patch.sig">
153: A source code patch exists which remedies this problem.</a>
154: <p>
155:
1.7 tj 156: <li id="p006_smtpd_sockaddr">
157: <strong>006: SECURITY FIX: May 25, 2020</strong>
158: <i>All architectures</i>
159: <br>
160: Incorrect use of getpeername(2) storage for outgoing IPv6 connections
161: corrupts stack memory. The nature of the corruption and existing
162: mitigations appear to make this difficult to effectively target.
163: <br>
164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/006_smtpd_sockaddr.patch.sig">
165: A source code patch exists which remedies this problem.</a>
166: <p>
167:
1.8 tj 168: <li id="p007_perl">
169: <strong>007: SECURITY FIX: June 1, 2020</strong>
170: <i>All architectures</i>
171: <br>
172: Several problems in Perl's regular expression compiler could lead to
173: corruption of the intermediate language state of a compiled regular
174: expression.
175: <br>
176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/007_perl.patch.sig">
177: A source code patch exists which remedies this problem.</a>
178: <p>
179:
1.9 tj 180: <li id="p008_hid">
181: <strong>008: SECURITY FIX: June 5, 2020</strong>
182: <i>All architectures</i>
183: <br>
184: Malicious HID descriptors could be misparsed.
185: <br>
186: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/008_hid.patch.sig">
187: A source code patch exists which remedies this problem.</a>
188: <p>
189:
1.10 tj 190: <li id="p009_asr">
191: <strong>009: RELIABILITY FIX: June 8, 2020</strong>
192: <i>All architectures</i>
193: <br>
194: libc's resolver could get into a corrupted state.
195: <br>
196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/009_asr.patch.sig">
197: A source code patch exists which remedies this problem.</a>
198: <p>
199:
1.11 tj 200: <li id="p010_x509">
201: <strong>010: RELIABILITY FIX: June 11, 2020</strong>
202: <i>All architectures</i>
203: <br>
204: libcrypto may fail to build a valid certificate chain due to
205: expired untrusted issuer certificates.
206: <br>
207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/010_x509.patch.sig">
208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
1.12 tj 211: <li id="p011_shmget">
212: <strong>011: SECURITY FIX: July 9, 2020</strong>
213: <i>All architectures</i>
214: <br>
215: shmget IPC_STAT leaked some kernel data.
216: <br>
217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/011_shmget.patch.sig">
218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.13 tj 221: <li id="p012_tty">
1.14 tj 222: <strong>012: RELIABILITY FIX: July 16, 2020</strong>
1.13 tj 223: <i>All architectures</i>
224: <br>
225: tty subsystem abuse can impact performance badly.
226: <br>
227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/012_tty.patch.sig">
228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
1.15 tj 231: <li id="p013_tty">
232: <strong>013: RELIABILITY FIX: July 22, 2020</strong>
233: <i>All architectures</i>
234: <br>
235: Only pty devices need reprint delays.
236: <br>
237: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/013_tty.patch.sig">
238: A source code patch exists which remedies this problem.</a>
239: <p>
240:
1.16 bluhm 241: <li id="p014_iked">
242: <strong>014: SECURITY FIX: July 27, 2020</strong>
243: <i>All architectures</i>
244: <br>
245: In iked, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
246: <br>
247: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig">
248: A source code patch exists which remedies this problem.</a>
249: <p>
250:
251: <li id="p015_rpki">
252: <strong>015: SECURITY FIX: July 27, 2020</strong>
253: <i>All architectures</i>
254: <br>
255: In rpki-client, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
256: <br>
257: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/015_rpki.patch.sig">
258: A source code patch exists which remedies this problem.</a>
259: <p>
260:
1.17 tj 261: <li id="p016_ximcp">
262: <strong>016: SECURITY FIX: July 31, 2020</strong>
263: <i>All architectures</i>
264: <br>
265: Malformed messages can cause heap corruption in the X Input Method
266: client implementation in libX11.
267: <br>
268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/016_ximcp.patch.sig">
269: A source code patch exists which remedies this problem.</a>
270: <p>
271:
272: <li id="p017_dix">
273: <strong>017: SECURITY FIX: July 31, 2020</strong>
274: <i>All architectures</i>
275: <br>
276: Pixmaps inside the xserver were an info leak.
277: <br>
278: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/017_dix.patch.sig">
279: A source code patch exists which remedies this problem.</a>
280: <p>
281:
1.18 tj 282: <li id="p018_ximcp">
283: <strong>018: RELIABILITY FIX: August 7, 2020</strong>
284: <i>All architectures</i>
285: <br>
286: The recent security errata 016 broke X11 input methods.
287: <br>
288: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/018_ximcp.patch.sig">
289: A source code patch exists which remedies this problem.</a>
290: <p>
291:
1.19 tj 292: <li id="p019_libssl">
293: <strong>019: RELIABILITY FIX: August 11, 2020</strong>
294: <i>All architectures</i>
295: <br>
296: The TLSv1.3 client could hang, crash, leak memory or not interoperate with
297: some TLSv1.3 servers.
298: <br>
299: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/019_libssl.patch.sig">
300: A source code patch exists which remedies this problem.</a>
301: <p>
302:
1.20 tj 303: <li id="p020_libssl">
304: <strong>020: RELIABILITY FIX: August 18, 2020</strong>
305: <i>All architectures</i>
306: <br>
307: The previous errata patch 019 broke bidirectional SSL_shutdown.
308: <br>
1.21 tj 309: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/020_libssl.patch.sig">
1.20 tj 310: A source code patch exists which remedies this problem.</a>
311: <p>
312:
1.22 tj 313: <li id="p021_xinitom">
314: <strong>021: SECURITY FIX: August 25, 2020</strong>
315: <i>All architectures</i>
316: <br>
317: An integer overflow in libX11 could lead to a double free.
318: Additionally fix a regression in ximcp.
319: <br>
320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/021_xinitom.patch.sig">
321: A source code patch exists which remedies this problem.</a>
1.29 tb 322: <p>
1.22 tj 323:
324: <li id="p022_xserverlen">
325: <strong>022: SECURITY FIX: August 25, 2020</strong>
326: <i>All architectures</i>
327: <br>
328: Various X server extensions had deficient input validation.
329: <br>
330: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/022_xserverlen.patch.sig">
331: A source code patch exists which remedies this problem.</a>
332: <p>
333:
1.23 tj 334: <li id="p023_amdgpu">
335: <strong>023: SECURITY FIX: September 5, 2020</strong>
336: <i>amd64, arm64</i>
337: <br>
338: A buffer overflow was discovered in an amdgpu ioctl.
339: <br>
340: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/023_amdgpu.patch.sig">
341: A source code patch exists which remedies this problem.</a>
342: <p>
343:
1.25 tj 344: <li id="p024_mmap">
345: <strong>024: RELIABILITY FIX: October 6, 2020</strong>
346: <i>All architectures</i>
347: <br>
348: mmap can exhaust kernel memory for PROT_NONE MAP_SHARED mappings.
349: <br>
350: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/024_mmap.patch.sig">
351: A source code patch exists which remedies this problem.</a>
352: <p>
353:
1.26 tj 354: <li id="p025_bgpd">
355: <strong>025: RELIABILITY FIX: October 29, 2020</strong>
356: <i>All architectures</i>
357: <br>
358: In bgpd, the roa-set parser could leak memory.
359: <br>
360: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/025_bgpd.patch.sig">
361: A source code patch exists which remedies this problem.</a>
362: <p>
363:
1.27 tb 364: <li id="p026_icmp6">
365: <strong>026: SECURITY FIX: October 29, 2020</strong>
366: <i>All architectures</i>
367: <br>
368: When generating the ICMP6 response to an IPv6 packet, the kernel
369: could use mbuf memory after freeing it.
370: <br>
371: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/026_icmp6.patch.sig">
372: A source code patch exists which remedies this problem.</a>
373: <p>
374:
1.28 tb 375: <li id="p027_tmux">
376: <strong>027: SECURITY FIX: October 29, 2020</strong>
377: <i>All architectures</i>
378: <br>
379: tmux has a stack overflow in CSI parsing.
380: <br>
381: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/027_tmux.patch.sig">
382: A source code patch exists which remedies this problem.</a>
1.29 tb 383: <p>
384:
385: <li id="p028_unwind">
386: <strong>028: RELIABILITY FIX: November 10, 2020</strong>
387: <i>All architectures</i>
388: <br>
389: unwind fails to process large DNS replies.
390: <br>
391: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/028_unwind.patch.sig">
392: A source code patch exists which remedies this problem.</a>
393: <p>
394:
395: <li id="p029_rpki">
396: <strong>029: RELIABILITY FIX: November 10, 2020</strong>
397: <i>All architectures</i>
398: <br>
399: rpki-client incorrectly checks the manifest validity interval.
400: <br>
401: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/029_rpki.patch.sig">
402: A source code patch exists which remedies this problem.</a>
403: <p>
1.28 tb 404:
1.30 tb 405: <li id="p030_xmaplen">
406: <strong>030: SECURITY FIX: December 1, 2020</strong>
407: <i>All architectures</i>
408: <br>
409: Multiple input validation failures in the X server XKB extension can lead
410: to out of bounds memory accesses for authorized clients.
411: <br>
412: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/030_xmaplen.patch.sig">
413: A source code patch exists which remedies this problem.</a>
414: <p>
415:
1.31 tb 416: <li id="p031_asn1">
417: <strong>031: SECURITY FIX: December 8, 2020</strong>
418: <i>All architectures</i>
419: <br>
420: Malformed ASN.1 in a certificate revocation list or a timestamp
421: response token can lead to a NULL pointer dereference.
422: <br>
423: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/031_asn1.patch.sig">
424: A source code patch exists which remedies this problem.</a>
425: <p>
426:
427: <li id="p032_exit">
428: <strong>032: RELIABILITY FIX: December 8, 2020</strong>
429: <i>All architectures</i>
430: <br>
431: Process exit in multithreaded programs could result in the wrong exit
432: code being reported.
433: <br>
434: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/032_exit.patch.sig">
435: A source code patch exists which remedies this problem.</a>
436: <p>
437:
1.32 tb 438: <li id="p033_smtpd">
439: <strong>033: RELIABILITY FIX: December 24, 2020</strong>
440: <i>All architectures</i>
441: <br>
442: smtpd's filter state machine can prematurely release resources
443: leading to a crash.
444: <br>
445: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/033_smtpd.patch.sig">
446: A source code patch exists which remedies this problem.</a>
447: <p>
448:
1.33 benno 449: <li id="p034_nd6">
450: <strong>034: RELIABILITY FIX: January 11, 2021</strong>
451: <i>All architectures</i>
452: <br>
453: When an NDP entry is invalidated the associated layer 2 address
454: is not invalidated.
455: <br>
456: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/034_nd6.patch.sig">
457: A source code patch exists which remedies this problem.</a>
458: <p>
459:
1.34 bluhm 460: <li id="p035_pffrag">
1.35 patrick 461: <strong>035: SECURITY FIX: February 24, 2021</strong>
1.34 bluhm 462: <i>All architectures</i>
463: <br>
464: A sequence of overlapping IPv4 fragments could crash the kernel in
465: pf due to an assertion.
466: <br>
467: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/035_pffrag.patch.sig">
468: A source code patch exists which remedies this problem.</a>
469: <p>
470:
1.36 bluhm 471: <li id="p036_sshagent">
472: <strong>036: SECURITY FIX: March 4, 2021</strong>
473: <i>All architectures</i>
474: <br>
475: Double free in ssh-agent(1)
476: <br>
477: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/036_sshagent.patch.sig">
478: A source code patch exists which remedies this problem.</a>
479: <p>
480:
1.37 bluhm 481: <li id="p037_npppd">
482: <strong>037: SECURITY FIX: March 9, 2021</strong>
483: <i>All architectures</i>
484: <br>
485: npppd PPTP protocol handler can cause heap over-read leading to a crash.
486: <br>
487: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/037_npppd.patch.sig">
488: A source code patch exists which remedies this problem.</a>
489: <p>
490:
1.39 bluhm 491: <li id="p038_xi">
492: <strong>038: SECURITY FIX: April 13, 2021</strong>
493: <i>All architectures</i>
494: <br>
495: Input validation failures in X server XInput extension can lead to
496: privileges elevations for authorized clients.
497: <br>
498: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/038_xi.patch.sig">
499: A source code patch exists which remedies this problem.</a>
500: <p>
501:
1.1 deraadt 502: </ul>
503:
504: <hr>