Annotation of www/errata22.html, Revision 1.96
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1.76 deraadt 11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.1 deraadt 16:
1.95 bentley 17: <h2 id=OpenBSD>
1.84 deraadt 18: <a href="index.html">
1.95 bentley 19: <i>Open</i><b>BSD</b></a>
20: 2.2 Errata
1.85 tj 21: </h2>
1.84 deraadt 22: <hr>
1.1 deraadt 23:
1.35 deraadt 24: For errata on a certain release, click below:<br>
1.34 deraadt 25: <a href="errata21.html">2.1</a>,
26: <a href="errata23.html">2.3</a>,
27: <a href="errata24.html">2.4</a>,
28: <a href="errata25.html">2.5</a>,
29: <a href="errata26.html">2.6</a>,
30: <a href="errata27.html">2.7</a>,
31: <a href="errata28.html">2.8</a>,
32: <a href="errata29.html">2.9</a>,
33: <a href="errata30.html">3.0</a>,
34: <a href="errata31.html">3.1</a>,
1.38 deraadt 35: <a href="errata32.html">3.2</a>,
1.40 david 36: <a href="errata33.html">3.3</a>,
1.44 david 37: <a href="errata34.html">3.4</a>,
1.45 miod 38: <a href="errata35.html">3.5</a>,
1.46 deraadt 39: <a href="errata36.html">3.6</a>,
1.69 deraadt 40: <a href="errata37.html">3.7</a>,
1.54 deraadt 41: <br>
1.48 deraadt 42: <a href="errata38.html">3.8</a>,
1.49 deraadt 43: <a href="errata39.html">3.9</a>,
1.50 deraadt 44: <a href="errata40.html">4.0</a>,
1.52 merdely 45: <a href="errata41.html">4.1</a>,
1.53 deraadt 46: <a href="errata42.html">4.2</a>,
1.54 deraadt 47: <a href="errata43.html">4.3</a>,
1.56 deraadt 48: <a href="errata44.html">4.4</a>,
1.57 deraadt 49: <a href="errata45.html">4.5</a>,
1.58 deraadt 50: <a href="errata46.html">4.6</a>,
1.60 deraadt 51: <a href="errata47.html">4.7</a>,
1.61 miod 52: <a href="errata48.html">4.8</a>,
1.62 nick 53: <a href="errata49.html">4.9</a>,
1.63 sthen 54: <a href="errata50.html">5.0</a>,
1.64 deraadt 55: <a href="errata51.html">5.1</a>,
1.65 deraadt 56: <a href="errata52.html">5.2</a>,
1.66 deraadt 57: <a href="errata53.html">5.3</a>,
1.69 deraadt 58: <br>
1.67 deraadt 59: <a href="errata54.html">5.4</a>,
1.75 jsg 60: <a href="errata55.html">5.5</a>,
1.79 deraadt 61: <a href="errata56.html">5.6</a>,
1.82 deraadt 62: <a href="errata57.html">5.7</a>,
1.83 deraadt 63: <a href="errata58.html">5.8</a>,
1.86 deraadt 64: <a href="errata59.html">5.9</a>,
1.89 tj 65: <a href="errata60.html">6.0</a>,
1.91 deraadt 66: <a href="errata61.html">6.1</a>,
1.92 deraadt 67: <a href="errata62.html">6.2</a>,
1.93 deraadt 68: <a href="errata63.html">6.3</a>,
1.94 deraadt 69: <a href="errata64.html">6.4</a>,
70: <a href="errata65.html">6.5</a>.
1.2 deraadt 71: <hr>
72:
1.21 ericj 73: <p>
1.89 tj 74: Patches for the OpenBSD base system are distributed as unified diffs.
75: Each patch contains usage instructions.
76: All the following patches are also available in one
77: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2.tar.gz">tar.gz file</a>
78: for convenience.
1.70 deraadt 79:
80: <p>
1.89 tj 81: Patches for supported releases are also incorporated into the
1.90 tj 82: <a href="stable.html">-stable branch</a>.
1.21 ericj 83:
1.11 deraadt 84: <hr>
85:
1.1 deraadt 86: <ul>
1.96 ! deraadt 87:
1.77 bentley 88: <li id="ipsec">
1.96 ! deraadt 89: <strong>001: SECURITY FIX</strong>
1.73 deraadt 90: <i>All architectures</i><br>
1.7 deraadt 91: If IPSEC communication is attempted by starting photurisd(8) (which is
1.8 deraadt 92: disabled by default), a system crash may be evoked from remote if
93: an attacker uses some classes of invalid packets.
1.88 tb 94: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/ipsec.patch">
1.7 deraadt 95: A source code patch exists which remedies this problem.</a>
1.9 deraadt 96: <p>
1.96 ! deraadt 97:
1.77 bentley 98: <li id="xterm-xaw">
1.96 ! deraadt 99: <strong>002: SECURITY FIX</strong>
1.73 deraadt 100: <i>All architectures</i><br>
1.5 matthieu 101: As stated in CERT advisory VB-98.04, there are buffer
1.95 bentley 102: overrun problems in <b>xterm</b> related to the input-Method,
1.8 deraadt 103: preeditType, and *Keymap resources. Additional buffer overruns exist in
1.95 bentley 104: the <b>Xaw</b> library related to the inputMethod and
1.8 deraadt 105: preeditType resources. The xterm(1) problem represents a security
106: vulnerability for any platform where xterm is installed setuid-root
107: (as is the case for all OpenBSD platforms). The Xaw problem represents
108: a security vulnerability for any setuid-root program that uses the Xaw
109: library (including xterm). Patch1 from XFree86 3.3.2 corrects
110: these problems.
1.88 tb 111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/xterm-xaw.patch">
1.6 deraadt 112: We provide a version of this patch file specifically for the OpenBSD 2.2 tree</a>.
1.5 matthieu 113: <p>
1.96 ! deraadt 114:
1.77 bentley 115: <li id="rmjob">
1.96 ! deraadt 116: <strong>003: SECURITY FIX</strong>
1.73 deraadt 117: <i>All architectures</i><br>
1.1 deraadt 118: An exploitable buffer mismanagement exists in a subroutine used by
119: lprm and lpd. The problem is exploitable by users on a particular
1.95 bentley 120: machine if there is an entry in <b>/etc/printcap</b> which
1.1 deraadt 121: points at a remote printer.
1.88 tb 122: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/rmjob.patch">
1.1 deraadt 123: A patch is available which corrects this behaviour</a>.
124: <p>
1.96 ! deraadt 125:
1.77 bentley 126: <li id="uucpd">
1.96 ! deraadt 127: <strong>004: SECURITY FIX</strong>
1.73 deraadt 128: <i>All architectures</i><br>
1.1 deraadt 129: A DNS-based vulnerability exists when uucpd is used. By default uucpd
130: is not enabled in the OpenBSD releases, but some sites may have enabled it.
1.88 tb 131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/uucpd.patch">
1.1 deraadt 132: A patch is available which corrects this behaviour</a>.
133: <p>
1.96 ! deraadt 134:
1.77 bentley 135: <li id="named">
1.96 ! deraadt 136: <strong>005: SECURITY FIX</strong>
1.73 deraadt 137: <i>All architectures</i><br>
1.1 deraadt 138: A vulnerability exists when (and only when) /etc/named.conf has the
1.95 bentley 139: <b>fake-iquery</b> option enabled.
1.88 tb 140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/named.patch">
1.1 deraadt 141: A patch is available which corrects this behaviour</a>.
142: <p>
1.96 ! deraadt 143:
1.77 bentley 144: <li id="ping">
1.96 ! deraadt 145: <strong>006: SECURITY FIX</strong>
1.73 deraadt 146: <i>All architectures</i><br>
1.1 deraadt 147: A vulnerability exists in ping(8); if the -R option is used to record
148: routes, an attacker can spoof a reply packet that will overflow inside
149: ping. Preliminary investigation makes it look the worst attack
150: possible is to make ping crash, but one never knows...
1.88 tb 151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/ping.patch">
1.1 deraadt 152: A patch is available which corrects this behaviour</a>.
153: <p>
1.96 ! deraadt 154:
1.77 bentley 155: <li id="sourceroute">
1.96 ! deraadt 156: <strong>007: SECURITY FIX</strong> <i>All architectures</i><br>
1.95 bentley 157: If the sysctl variable <b>net.inet.ip.forwarding</b> is
158: enabled (value 1), but the variable <b>net.inet.ip.sourceroute</b>
1.1 deraadt 159: is disabled (value 0), the kernel will block source routed packets from
160: going through, but will still accept source routing packets destined for
1.95 bentley 161: itself. Our fix changes the <b>net.inet.ip.sourceroute</b>
1.1 deraadt 162: variable semantics to mean that all source routed packets should
163: be blocked completely.
1.88 tb 164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/sourceroute.patch">
1.1 deraadt 165: A kernel patch is provided</a>.
166: <p>
1.96 ! deraadt 167:
1.77 bentley 168: <li id="ruserok">
1.96 ! deraadt 169: <strong>008: SECURITY FIX</strong>
1.73 deraadt 170: <i>All architectures</i><br>
1.1 deraadt 171: A combination localhost+remote host security problem exists if a
1.26 jsyn 172: local user running a setuid binary causes a non-existent root .rhosts
1.1 deraadt 173: file to be created via a symbolic link with a specific kind of corefile,
174: and then subsequently uses rsh/rlogin to enter the machine from remote.
175: A similar exploit might also be possible using sshd which lacks any code
176: for checking for deviations from the expected format in the .rhosts or
177: .shosts files, but we have not confirmed this yet. The following two
178: fixes are recommended:
179: <p>
180: <ul>
181: <li>
1.88 tb 182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/nosuidcoredump.patch">
1.1 deraadt 183: (1) A kernel patch which adds a new sysctl option which permits the
184: administrator to decide whether setuid corefiles should be written or not</a>.
185: <p>
1.88 tb 186: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/rcmd.patch">
1.1 deraadt 187: (2) Replaces the libc ruserok() function with a more paranoid
188: version which detects bogus looking .rhosts files better.</a>
189: </ul>
190: <p>
191: If the
192: first patch is used to stop setuid coredumps, then the second patch is
193: not as important.
194: This problem is fixed much better in OpenBSD-current, where the kernel's
195: symbolic link handling has been improved such that coredumping will not
196: create a file on the other side of a symbolic link. Such a patch is not
197: possible for the 4.4lite1 VFS layer in the OpenBSD 2.2 kernel.<p>
198: The problem with the ruserok() function appears to also exist in
199: ssh 1.2.21 and previous (the ssh people have been alerted).
200: <p>
1.96 ! deraadt 201:
1.77 bentley 202: <li id="mmap">
1.96 ! deraadt 203: <strong>009: SECURITY FIX</strong> <i>All architectures</i><br>
1.1 deraadt 204: A bug in the vm system permits a file descriptor opened read-only on a
205: device, to later on be mmap(2)'d read-write, and then modified. This
206: does not result in a security hole by itself, but it does violate the
207: safety semantics which securelevels are supposed to provide. If a user
208: manages to gain kmem group permissions, using this problem they can then
209: gain root trivially and/or turn securelevels off.
1.88 tb 210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/vm_mmap.patch">
1.1 deraadt 211: A kernel patch is available which corrects this behaviour (this is
212: revision 3 of this patch)</a>.
213: <p>
1.96 ! deraadt 214: <li><strong>010: BUILD PROCESS FIX</strong>
1.73 deraadt 215: <i>All architectures</i><br>
1.1 deraadt 216: Building an object tree from a read-only source tree (such as off a CDROM)
217: may fail under certain circumstances (e.g. when creating a symlink on sparc
218: whose target name is exactly 33 characters). As a workaround you have to
219: either provide the source tree read/write, or install a newer version of
1.67 deraadt 220: /usr/bin/readlink.
1.88 tb 221: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/readlink.c">
1.1 deraadt 222: A replacement source file exists</a>.
223: <p>
1.96 ! deraadt 224:
1.77 bentley 225: <li id="mountd">
1.96 ! deraadt 226: <strong>011: SECURITY FIX</strong>
1.73 deraadt 227: <i>All architectures</i><br>
1.1 deraadt 228: If a line in /etc/exports which contains hostnames results in an empty
229: list because none of the supplied hostnames is known, mountd(8) will
230: accidentally export the filesystem to the world.
1.88 tb 231: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/mountd.patch">
1.1 deraadt 232: A patch is available which corrects this behaviour</a>.
233: <p>
1.96 ! deraadt 234: <li><strong>012: RELIABILITY FIX</strong>
1.73 deraadt 235: <i>All architectures</i><br>
1.1 deraadt 236: Setting the MSG_EOR flag on a tcp packet in the send(2) family of
237: system calls could cause a kernel panic.
1.88 tb 238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/common/send.patch">
1.1 deraadt 239: A patch</a> to return EINVAL in this case is available.
240: <p>
1.96 ! deraadt 241:
1.77 bentley 242: <li id="f00f">
1.96 ! deraadt 243: <strong>013: RELIABILITY FIX</strong><br>
1.26 jsyn 244: The Intel P5 F00F bug was discovered after the CDRs had already been
1.1 deraadt 245: sent to the manufacturer. This problem permits any user who has an account
246: to lock your machine up using a 4-line program. The problem only affects
247: Intel P5 processors (the i386, i486, P-Pro, and P-II are not vulnerable,
248: nor are processors by other manufacturers).
1.88 tb 249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/i386/f00f.patch">
1.1 deraadt 250: A kernel source-code patch is available</a>.
251: <p>
1.96 ! deraadt 252: <li><strong>014: FUNCTIONALITY FIX</strong><br>
1.1 deraadt 253: Some Linux binaries will execute in SVR4 emulation mode, which is
1.12 aaron 254: definitely a problem for people who need Linux emulation to work correctly.
1.1 deraadt 255: To solve this mis-identification problem,
1.88 tb 256: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/i386/compat_linux.patch">
1.1 deraadt 257: a patch file is provided</a>.
258: <p>
1.96 ! deraadt 259: <li><strong>015: RELIABILITY FIX</strong><br>
1.1 deraadt 260: APM can crash on machines without it.
1.88 tb 261: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/i386/apm.patch">
1.1 deraadt 262: A kernel source-code patch is available</a>.
263: <p>
1.96 ! deraadt 264: <li><strong>016: INSTALLATION PROCESS FLAW</strong><br>
1.25 pvalchev 265: A few people are running into this problem, particularly if they had some
1.1 deraadt 266: other *BSD operating system on their machine before trying OpenBSD: if after
267: installation onto an IDE-based machine, the kernel fails to mount the root
268: partition because it thinks that it should be opening sd0 (0x400), this means
269: you have incorrectly setup your disklabel for the IDE drive -- the disklabel
270: is indicating that the drive is SCSI.
271: To repair this, use the floppy to run "disklabel -E wd0", then using the
272: "edit" command ensure the type field is set to "ST506".
273: <p>
1.96 ! deraadt 274: <li><strong>017: NEW SOFTWARE</strong><br>
1.1 deraadt 275: Unfortunately, X11 binaries for the mac68k did not manage to make it onto the
276: CDROM. However, X11 for the mac68k is immediately available from
1.88 tb 277: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.2/mac68k/X11/X11R6.tar.gz">
278: https://ftp.OpenBSD.org/pub/OpenBSD/2.2/mac68k/X11/X11R6.tar.gz</a>. Please
279: be sure to read the <a href="https://ftp.openbsd.org/pub/OpenBSD/2.2/mac68k/X11/README.X11">README file</a> also in that directory for instructions on installing
1.1 deraadt 280: and setting up X.
281: <p>
1.96 ! deraadt 282: <li><strong>018: INSTALLATION PROCESS FLAW</strong><br>
1.1 deraadt 283: As shipped on the CDROM, both the
1.88 tb 284: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.2/mac68k/bsd-generic.tar.gz">
1.1 deraadt 285: generic kernel</a>
286: and the
1.88 tb 287: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.2/bsd-genericbsc.tar.gz">
1.1 deraadt 288: genericsbc kernel</a>
289: extract themselves into the wrong place in the filesystem.
1.95 bentley 290: Both <em>should</em> extract a kernel named <code>/bsd</code>, but they extract
291: the kernel into <code>/usr/src/sys/arch/mac68k/compile</code> instead.
1.1 deraadt 292: <p>
293: This has been fixed on the ftp release of <a href=22.html>OpenBSD 2.2</a>, and
1.88 tb 294: fresh kernels are available from <a href="https://ftp.openbsd.org/pub/OpenBSD/2.2/mac68k">
1.59 sthen 295: http://ftp.OpenBSD.ORG/pub/OpenBSD/2.2/mac68k/</a>. If at all possible,
1.1 deraadt 296: installing these kernels is recommended.
297: <p>
298: A number of possible workarounds exist if you don't have easy access to ftp
299: the updated kernels. The simplest of these is to use a
300: MacOS program to uncompress and untar the kernel aad use the Installer's
301: mini-shell to "cpin" the kernel. Alternately, you could install the kernel
1.95 bentley 302: with the Installer and use the mini-shell to move the binary from <code>/usr/src/...</code> to <code>/bsd</code>.
1.1 deraadt 303: <p>
1.96 ! deraadt 304: <li><strong>019: RELIABILITY FIX</strong><br>
1.25 pvalchev 305: Older 4/xxx systems (particularly the 4/300's) cannot boot
1.1 deraadt 306: with the 2.2 kernel due to bugs in the scsi device driver.
1.88 tb 307: <a href="https://ftp.OpenBSD.org/pub/OpenBSD/patches/2.2/sparc/esp.patch">
1.1 deraadt 308: A kernel source patch is available</a>.
309: Replacement kernels are available for:
1.88 tb 310: <a href="https://ftp.OpenBSD.org/pub/OpenBSD/patches/2.2/sparc/bsd">bsd</a>,
311: <a href="https://ftp.OpenBSD.org/pub/OpenBSD/patches/2.2/sparc/bsd.scsi3">bsd.scsi3</a>,
1.1 deraadt 312: and a replacement for bsd.rd is coming soon.
313: <p>
1.96 ! deraadt 314:
1.77 bentley 315: <li id="sparciommu">
1.96 ! deraadt 316: <strong>020: RELIABILITY FIX</strong><br>
1.1 deraadt 317: SPARCstation 4 and 5 (Microsparc 2) users may see kernel panics when
318: using a custom kernel configured for option sun4m only.
1.88 tb 319: <a href="https://ftp.OpenBSD.org/pub/OpenBSD/patches/2.2/sparc/sun4m.patch">
1.1 deraadt 320: A workaround (kernel source patch) is available</a>. Apply the patch and
321: then re-build your kernel.
322: <p>
1.96 ! deraadt 323: <li><strong>021: FUNCTIONALITY FIX</strong><br>
1.1 deraadt 324: Missing Xamiga manual pages. Get
1.88 tb 325: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/amiga/Xamiga-manual.tgz">
1.1 deraadt 326: this package</a> and execute, <i>as root</i>:<br>
1.95 bentley 327: <b><b># </b>pkg_add Xamiga-manual.tgz</b><br>
1.1 deraadt 328: The MD5 checksum of this package is:<br>
1.96 ! deraadt 329: <b>MD5 (Xamiga-manual.tgz) = 2362a7857264b9d17f65cca258b42031</b>
! 330: <p>
! 331: <li><strong>022: FUNCTIONALITY FIX</strong><br>
1.1 deraadt 332: The Ariadne ethernet support was broken, there will be both binary and
333: source level fixes available shortly. If you are in a hurry mail
1.37 naddy 334: <a href="mailto:niklas@openbsd.org">Niklas</a> for a test kernel.<p>
1.72 deraadt 335: <p>
1.96 ! deraadt 336: <li><strong>023: FUNCTIONALITY FIX</strong><br>
1.67 deraadt 337: There is a Year-1998 problem in the time-setting code (which causes the
1.1 deraadt 338: date and time to be set incorrectly after a reboot in 1998).
1.88 tb 339: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/clock.patch">
1.1 deraadt 340: A source code patch file is available</a> plus replacement installation
341: kernels for the 2.2 release at
1.88 tb 342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/bsd.NFS">bsd.NFS</a>,
343: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/bsd">bsd</a>,
344: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/bsd.rz0">bsd.rz0</a>.
1.1 deraadt 345: <p>
1.96 ! deraadt 346: <li><strong>024: FUNCTIONALITY FIX</strong><br>
1.1 deraadt 347: X11 support for the 3min and 3maxplus machines was broken
348: due to a kernel bug.
1.88 tb 349: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/fb.patch">
1.1 deraadt 350: A source code patch is available</a>.
351: <p>
1.96 ! deraadt 352:
1.77 bentley 353: <li id="ldso">
1.96 ! deraadt 354: <strong>025: SECURITY FIX</strong><br>
1.95 bentley 355: A security problem in the shared library linker <b>ld.so</b>
1.1 deraadt 356: requires that you replace it with a new binary. The following binary
357: will work on both pmax and arc machines.
1.88 tb 358: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/ld.so">
1.1 deraadt 359: The replacement binary is here</a>.
360: <p>
1.96 ! deraadt 361: <li><strong>026: SECURITY FIX</strong><br>
1.95 bentley 362: A security problem in the shared library linker <b>ld.so</b> requires
1.1 deraadt 363: that you replace it with a new binary. The following binary
364: will work on both pmax and arc machines.
1.88 tb 365: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.2/pmax/ld.so">
1.1 deraadt 366: The replacement binary is here</a>.
367: <p>
1.96 ! deraadt 368: <li><strong>027: MISSING FUNCTIONALITY</strong><br>
1.4 deraadt 369: Network Address Translation and other parts of IP Filtering do not work
1.1 deraadt 370: on the alpha. This will be fixed in the 2.3 release, and perhaps earlier
371: in a snapshot. There is no patch for 2.2.
372: <p>
1.86 deraadt 373:
1.1 deraadt 374: </ul>
1.64 deraadt 375:
1.78 tedu 376: <hr>
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