Annotation of www/errata29.html, Revision 1.25
1.1 deraadt 1: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML Strict//EN">
2: <html>
3: <head>
4: <title>OpenBSD 2.9 errata</title>
5: <link rev=made href=mailto:www@openbsd.org>
6: <meta name="resource-type" content="document">
7: <meta name="description" content="the OpenBSD CD errata page">
8: <meta name="keywords" content="openbsd,cd,errata">
9: <meta name="distribution" content="global">
1.10 horacio 10: <meta name="copyright" content="This document copyright 1997-2002 by OpenBSD.">
1.1 deraadt 11: </head>
12:
13: <BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#23238E">
14:
1.23 jsyn 15: <a href="index.html"><img alt="[OpenBSD]" height="30" width="141" src="images/smalltitle.gif" border="0"></a>
1.1 deraadt 16: <h2><font color=#0000e0>
17: This is the OpenBSD 2.9 release errata & patch list:
18:
19: </font></h2>
20:
21: <hr>
22: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
23: <a href=errata21.html>For 2.1 errata, please refer here</a>.<br>
24: <a href=errata22.html>For 2.2 errata, please refer here</a>.<br>
25: <a href=errata23.html>For 2.3 errata, please refer here</a>.<br>
26: <a href=errata24.html>For 2.4 errata, please refer here</a>.<br>
27: <a href=errata25.html>For 2.5 errata, please refer here</a>.<br>
28: <a href=errata26.html>For 2.6 errata, please refer here</a>.<br>
29: <a href=errata27.html>For 2.7 errata, please refer here</a>.<br>
30: <a href=errata28.html>For 2.8 errata, please refer here</a>.<br>
1.16 deraadt 31: <a href=errata30.html>For 3.0 errata, please refer here</a>.<br>
1.25 ! deraadt 32: <a href=errata31.html>For 3.1 errata, please refer here</a>.<br>
! 33: <a href=errata.html>For 3.2 errata, please refer here</a>.<br>
1.1 deraadt 34: <hr>
35:
36: <a href=ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9.tar.gz>
37: You can also fetch a tar.gz file containing all the following patches</a>.
38: This file is updated once a day.
39:
40: <p> The patches below are available in CVS via the
41: <code>OPENBSD_2_9</code> <a href="stable.html">patch branch</a>.
42:
43: <p>
44: For more detailed information on install patches to OpenBSD, please
45: consult the <a href="./faq/faq10.html#10.14">OpenBSD FAQ</a>.
46: <hr>
47:
48: <dl>
49: <a name=all></a>
50: <li><h3><font color=#e00000>All architectures</font></h3>
51: <ul>
1.24 millert 52: <a name=resolver></a>
53: <li><font color=#009000><strong>027: SECURITY FIX: June 25, 2002</strong></font><br>
54: A potential buffer overflow in the DNS resolver has been found.<br>
55: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/027_resolver.patch">A source code patch exists which remedies the problem</a>.
56: <p>
1.21 millert 57: <a name=fdalloc2></a>
58: <li><font color=#009000><strong>026: SECURITY FIX: May 8, 2002</strong></font><br>
59: A race condition exists where an attacker could fill the file descriptor
60: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
1.22 millert 61: setuid or setgid process.<br>
1.21 millert 62: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/026_fdalloc2.patch">A source code patch exists which remedies the problem</a>.
63: <p>
1.20 millert 64: <a name=sudo2></a>
65: <li><font color=#009000><strong>025: SECURITY FIX: April 25, 2002</strong></font><br>
66: A bug in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sudo&sektion=8">sudo(8)</a> may allow an attacker to corrupt the heap by specifying a custom prompt.<br>
67: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/025_sudo.patch">A source code patch exists which remedies the problem</a>.
68: <p>
1.19 markus 69: <a name=sshafs></a>
70: <li><font color=#009000><strong>024: SECURITY FIX: April 22, 2002</strong></font><br>
71: A local user can gain super-user privileges due to a buffer overflow
72: in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>
73: if AFS has been configured on the system or if
74: KerberosTgtPassing or AFSTokenPassing has been enabled
75: in the sshd_config file. Ticket and token passing is not enabled
76: by default.<br>
77: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/024_sshafs.patch">A source code patch exists which remedies the problem</a>.
78: <p>
1.15 millert 79: <a name=mail></a>
80: <li><font color=#009000><strong>023: SECURITY FIX: April 11, 2002</strong></font><br>
81: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mail&sektion=1">mail(1)</a>
82: will process tilde escapes even in non-interactive mode.
83: This can lead to a local root compromise.
84: <br>
85: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/023_mail.patch">A source code patch exists which remedies the problem</a>.
86: <p>
1.13 millert 87: <a name=zlib></a>
88: <li><font color=#009000><strong>022: RELIABILITY FIX: March 13, 2002</strong></font><br>
89: Under some circumstances the zlib compression library can free dynamically
90: allocated memory twice. This is not a security issue on OpenBSD since the BSD
91: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=free&sektion=3">free(3)</a>
92: function detects this.
93: There is also a kernel zlib component that may be used by pppd and IPSec.
1.14 millert 94: The feasibility of attacking the kernel this way is currently unknown.<br>
1.13 millert 95: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/022_zlib.patch">A source code patch exists which remedies the problem</a>.
96: <p>
1.12 millert 97: <a name=openssh></a>
98: <li><font color=#009000><strong>021: SECURITY FIX: March 8, 2002</strong></font>
99: <br>
100: A local user can gain super-user privileges due to an off-by-one check
101: in the channel forwarding code of OpenSSH.<br>
102: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/021_openssh.patch"
103: >A source code patch exists which remedies the problem</a>.
104: <p>
1.11 miod 105: <a name=ptrace></a>
106: <li><font color=#009000><strong>020: SECURITY FIX: February 20, 2002</strong></font><br>
107: A race condition between the ptrace(2) and execve(2) system calls allows
108: an attacker to modify the memory contents of suid/sgid processes which
109: could lead to compromise of the super-user account.<br>
110: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/020_ptrace.patch">A source code patch exists which remedies the problem</a>.
111: <p>
1.7 millert 112: <a name=sudo>
1.9 brad 113: <li><font color=#009000><strong>019: SECURITY FIX: January 17, 2002</strong></font><br>
1.7 millert 114: If the Postfix sendmail replacement is installed on a system an
115: attacker may be able to gain root privileges on the local host via
116: sudo(8) which runs the mailer as root with an environment inherited
117: from the invoking user. While this is a bug in sudo it is not
118: believed to be possible to exploit when sendmail (the mailer that
119: ships with OpenBSD) is the mailer. As of version 1.6.5, sudo passes
120: the mailer an environment that is not subject to influence from the
1.8 millert 121: invoking user.<br>
1.7 millert 122: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/019_sudo.patch">A
123: source code patch exists which remedies the problem</a>.
124: <p>
1.4 millert 125: <a name=lpd2>
1.5 millert 126: <li><font color=#009000><strong>017: SECURITY FIX: November 28, 2001</strong></font><br>
1.4 millert 127: A security issue exists in the lpd daemon that may allow an attacker
128: to create arbitrary new files in the root directory. Only machines
129: with line printer access (ie: listed in either /etc/hosts.lpd or
130: /etc/hosts.equiv) may be used to mount an attack and the attacker
131: must have root access on the machine. OpenBSD does not start lpd
132: in the default installation.
133: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/017_lpd.patch">A source code patch exists which remedies the problem</a>.
134: <p>
1.2 millert 135: <a name=vi.recover>
136: <li><font color=#009000><strong>016: SECURITY FIX: November 13, 2001</strong></font><br>
137: A security issue exists in the vi.recover script that may allow an attacker
138: to remove arbitrary zero-length files, regardless of ownership.
139: <br>
1.3 miod 140: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/016_recover.patch">A source code patch exists which remedies the problem</a>.
1.2 millert 141: <p>
1.1 deraadt 142: <a name=uucp>
143: <li><font color=#009000><strong>015: SECURITY FIX: September 11, 2001</strong></font><br>
144: A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=uuxqt&sektion=8">uuxqt(8)</a>
145: that may allow an attacker to run arbitrary commands as user uucp and
146: use this to gain root access.
147: The UUCP execution daemon, uuxqt(8), has a bug in its command line
148: parsing routine that may allow arbitrary commands to be run. Because
149: some UUCP commands are run as root (and daemon) from cron it is possible
150: to leverage compromise of the UUCP user to gain root.
151: <br>
1.3 miod 152: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/015_uucp.patch">A source code patch exists which remedies the problem</a>.
1.1 deraadt 153: <p>
154: <a name=lpd>
155: <li><font color=#009000><strong>014: SECURITY FIX: August 29, 2001</strong></font><br>
156: A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lpd&sektion=8">lpd(8)</a>
157: that may allow an attacker with line printer access to gain root
158: privileges. A machine must be running lpd to be vulnerable (OpenBSD
159: does not start lpd by default). Only machines with line printer
160: access (ie: listed in either /etc/hosts.lpd or /etc/hosts.equiv)
161: may be used to mount an attack.
162: <br>
1.3 miod 163: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/014_lpd.patch">A source code patch exists which remedies the problem</a>.
1.1 deraadt 164: <p>
165: <a name=sendmail2>
166: <li><font color=#009000><strong>013: SECURITY FIX: August 21, 2001</strong></font><br>
167: A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sendmail&sektion=8">sendmail(8)</a>
168: that may allow an attacker on the local host to gain root privileges by
169: specifying out-of-bounds debug parameters.
170: <br>
1.3 miod 171: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/013_sendmail.patch">A source code patch exists which remedies the problem</a>.
1.1 deraadt 172: <p>
173: <a name=nfs>
174: <li><font color=#009000><strong>012: SECURITY FIX: July 30, 2001</strong></font><br>
175: A kernel buffer overflow exists in the NFS mount code. An attacker may
176: use this overflow to execute arbitrary code in kernel mode. However,
177: only users with <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mount&sektion=2">mount(2)</a>
178: privileges can initiate this attack. In default installs, only super-user has
179: mount privileges. The kern.usermount <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sysctl&sektion=3">sysctl(3)</a> controls whether other users have mount privileges.
180: <br>
1.3 miod 181: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/012_nfs.patch">A source code patch exists which remedies the problem</a>.
1.1 deraadt 182: <p>
183: <a name=pkg></a>
184: <li><font color=#009000><strong>011: RELIABILITY FIX: July 15, 2001</strong></font>
185: <br>
186: The
187: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=packages&sektion=7&format=html">packages(7)</a>
188: subsystem incorrectly accepts some package dependencies as okay (see
189: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=packages-specs&sektion=7&format=html">packages-specs(7)</a>
190: for details).
191: <br>
192: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/011_pkg.patch">A source code patch exists which remedies the problem</a>,
193: by forcing <code>/usr/sbin/pkg</code> to be more careful in checking
194: version numbers.
195: <p>
196: <a name=twe></a>
197: <li><font color=#009000><strong>008: RELIABILITY FIX: June 15, 2001</strong></font>
198: <br>
199: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=twe&sektion=4&format=html">twe(4)</a>
200: mishandles the DMA mapping resulting in a kernel panic on unaligned data
201: transfers, induced by programs such as
202: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=disklabel&sektion=8&format=html">disklabel(8)</a>
203: and
204: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dump&sektion=8&format=html">dump(8)</a>.
205: <br>
206: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/008_twe.patch">A source code patch exists which remedies the problem</a>.
207: This is the second version of the patch.
208: <p>
209: <a name=kernexec></a>
210: <li><font color=#009000><strong>007: SECURITY FIX: June 15, 2001</strong></font><br>
211: A race condition exists in the kernel <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=execve&sektion=2&format=html">execve(2)</a> implementation that opens a small window of vulnerability for a non-privileged user to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ptrace&sektion=2&format=html">ptrace(2)</a> attach to a suid/sgid process.
212: <br>
213: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/007_kernexec.patch">A source code patch exists which remedies the problem</a>.
214: <p>
215: <a name=sshcookie></a>
216: <li><font color=#009000><strong>006: SECURITY FIX: June 12, 2001</strong></font><br>
217: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8&format=html">sshd(8)</a>
218: allows users to delete arbitrary files named "cookies" if X11
219: forwarding is enabled. X11 forwarding is disabled by default.
220: <br>
221: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/006_sshcookie.patch">A source code patch exists which remedies the problem</a>.
222: <p>
223: <a name=pwd_mkdb></a>
224: <li><font color=#009000><strong>005: RELIABILITY FIX: June 7, 2001</strong></font><br>
225: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pwd_mkdb&sektion=8&format=html">pwd_mkdb(8)</a>
226: corrupts /etc/pwd.db when modifying an existing user.
227: <br>
228: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/005_pwd_mkdb.patch">A source code patch exists which remedies the problem</a>.
229: <p>
230: <a name=isakmpd></a>
231: <li><font color=#009000><strong>004: RELIABILITY FIX: June 5, 2001</strong></font><br>
232: <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8&format=html">isakmpd(8)</a>
233: will fail to use a certificate with an identity string that is
234: exactly N * 8 bytes long.
235: <br>
236: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/004_isakmpd.patch">A source code patch exists which remedies the problem</a>.
237: <p>
238: <li><font color=#009000><strong>003: DOCUMENTATION FIX: June 1, 2001</strong></font><br>
239: The 2.9 CD cover states that XFree86 3.3.6-current is included. This is only half-true.
240: In fact, the XFree86 included for all architectures is 4.0.3. On the i386, the
241: 3.3.6 Xservers have also been included, because 4.0.3 still has weak support for
242: some devices which 3.3.6 supported better.
243: <p>
244: <a name=fts></a>
245: <li><font color=#009000><strong>002: SECURITY FIX: May 30, 2001</strong></font><br>
246: Programs using the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fts&sektion=3&format=html">fts(3)</a>
247: routines (such as rm, find, and most programs that take a <b>-R</b>
248: flag) can be tricked into changing into the wrong directory if the
249: parent dir is changed out from underneath it. This is similar to
250: the old fts bug but happens when popping out of directories, as
251: opposed to descending into them.
252: <br>
253: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/002_fts.patch">A source code patch exists which remedies the problem</a>.
254: This is the second version of the patch.
255: <p>
256: <a name=sendmail></a>
257: <li><font color=#009000><strong>001: SECURITY FIX: May 29, 2001</strong></font><br>
258: The signal handlers in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sendmail&sektion=8&format=html">sendmail(8)</a> contain code that is unsafe in the
259: context of a signal handler. This leads to potentially serious
260: race conditions. At the moment this is a theoretical attack only
261: and can only be exploited on the local host (if at all).<br>
262: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/001_sendmail.patch">A source code patch exists</a> which remedies the problem by updating sendmail to version 8.11.4.
263: </ul>
264: <p>
265: <a name=i386></a>
266: <li><h3><font color=#e00000>i386</font></h3>
267: <ul>
268: <a name=nvidia></a>
269: <li><font color=#009000><strong>010: RELIABILITY FIX: Jul 9,
270: 2001</strong></font></br>
271: The nVidia driver for XFree86 4.0.3 is incorrectly restoring the text
272: mode palette upon exit of the X server. <a
273: href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/010_nvidia.patch">
274: A source code patch exists</a> which remedies the problem.
275: To avoid rebuilding the whole XFree86 tree, an updated binary driver
276: is also available
277: <a
278: href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/nv_drv.o">here
279: </a>. Just grab it, copy it to /usr/X11R6/lib/modules/drivers/ and
280: restart your X server.
281: <p>
282: <a name=XF86Setup></a>
283: <li><font color=#009000><strong>009: RELIABILITY FIX: Jun 23,
284: 2001</strong></font><br>
285: The XF86Setup(1) configuration tool for XFree86 3.3.6 is producing
286: corrupted /etc/XF86Config files.
287: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/009_XF86Setup.patch">
288: A source code patch exists</a> which remedies the problem by linking
289: XF86Setup against the XFree86 3.3.6 version of libXxf86vm.a.
290: <p>
291: <li>When using a PS/2 keyboard with an MSI K7T Pro2A motherboard, it may be
292: necessary to disable the "USB Keyboard Support" and
293: "USB Mouse Support" options in the BIOS. Otherwise, the i8042
294: keyboard controller doesn't acknowledge commands, confusing OpenBSD.
295: </ul>
296: <p>
297: <a name=alpha></a>
298: <li><h3><font color=#e00000>alpha</font></h3>
299: <ul>
300: <li>No problems identified yet.
301: </ul>
302: <p>
303: <a name=mac68k></a>
304: <li><h3><font color=#e00000>mac68k</font></h3>
305: <ul>
1.6 miod 306: <li><font color=#00900><strong>019: INSTALL PROBLEM: Dec 11, 2001</strong></font><br>
307: The X binary sets shipped with OpenBSD 2.9 do not contain several files. These
308: missing files can be added manually from the sparc tarballs after the
309: installation:<br>
310: Grab the
311: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xbase29.tgz">xbase29.tgz</a>
312: and
313: <a href="ftp://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xshare29.tgz">xshare29.tgz</a>
314: files found in the 2.9/sparc directory on the CD, or any FTP site. The missing
315: files can be installed by using the following commands:
316: <tt><pre>
317: # cd /; tar xzpf xbase29.tgz ./usr/X11R6/lib/X11/{rgb.txt,xdm}
318: # cd /; tar xzpf xserv29.tgz ./etc/X11/xserver ./usr/X11R6/lib/X11/xserver
319: # cd /usr/X11R6/bin/; ln -fs Xmac68k X
320: </pre></tt>
321: </ul>
1.1 deraadt 322: </ul>
323: <p>
324: <a name=sparc></a>
325: <li><h3><font color=#e00000>sparc</font></h3>
326: <ul>
327: <li>No problems identified yet.
328: </ul>
329: <p>
330: <a name=amiga></a>
331: <li><h3><font color=#e00000>amiga</font></h3>
332: <ul>
333: <li>No problems identified yet.
334: </ul>
335: <p>
336: <a name=pmax></a>
337: <li><h3><font color=#e00000>pmax</font></h3>
338: <ul>
339: <li>No problems identified yet.
340: </ul>
341: <p>
342: <a name=hp300></a>
343: <li><h3><font color=#e00000>hp300</font></h3>
344: <ul>
345: <li>No problems identified yet.
346: </ul>
347: <p>
348: <a name=mvme68k></a>
349: <li><h3><font color=#e00000>mvme68k</font></h3>
350: <ul>
351: <li>No problems identified yet.
352: </ul>
353: <p>
354: <a name=powerpc></a>
355: <li><h3><font color=#e00000>powerpc</font></h3>
356: <ul>
357: <li>No problems identified yet.
358: </ul>
359: <p>
360: <a name=vax></a>
361: <li><h3><font color=#e00000>vax</font></h3>
362: <ul>
363: <li>No problems identified yet.
364: </ul>
365: <p>
366: <a name=sun3></a>
367: <li><h3><font color=#e00000>sun3</font></h3>
368: <ul>
369: <li>No problems identified yet.
370: </ul>
371:
372: </dl>
373: <br>
374:
375: <hr>
376: <a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
377: <a href=errata21.html>For 2.1 errata, please refer here</a>.<br>
378: <a href=errata22.html>For 2.2 errata, please refer here</a>.<br>
379: <a href=errata23.html>For 2.3 errata, please refer here</a>.<br>
380: <a href=errata24.html>For 2.4 errata, please refer here</a>.<br>
381: <a href=errata25.html>For 2.5 errata, please refer here</a>.<br>
382: <a href=errata26.html>For 2.6 errata, please refer here</a>.<br>
383: <a href=errata27.html>For 2.7 errata, please refer here</a>.<br>
384: <a href=errata28.html>For 2.8 errata, please refer here</a>.<br>
1.16 deraadt 385: <a href=errata30.html>For 3.0 errata, please refer here</a>.<br>
1.25 ! deraadt 386: <a href=errata31.html>For 3.1 errata, please refer here</a>.<br>
! 387: <a href=errata.html>For 3.2 errata, please refer here</a>.<br>
1.1 deraadt 388: <hr>
389:
390: <a href=index.html><img height=24 width=24 src=back.gif border=0 alt=OpenBSD></a>
391: <a href=mailto:www@openbsd.org>www@openbsd.org</a>
1.25 ! deraadt 392: <br><small>$OpenBSD: errata29.html,v 1.24 2002/06/26 06:10:48 millert Exp $</small>
1.1 deraadt 393:
394: </body>
395: </html>