Annotation of www/errata29.html, Revision 1.94
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1.72 deraadt 12: <!--
13: IMPORTANT REMINDER
14: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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1.37 david 17: <body bgcolor="#ffffff" text="#000000" link="#23238E">
1.1 deraadt 18:
1.82 deraadt 19: <h2>
20: <a href="index.html">
21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.83 tj 22: <font color="#e00000">2.9 Errata</font>
23: </h2>
1.82 deraadt 24: <hr>
1.1 deraadt 25:
1.28 deraadt 26: For errata on a certain release, click below:<br>
1.27 deraadt 27: <a href="errata21.html">2.1</a>,
1.26 deraadt 28: <a href="errata22.html">2.2</a>,
29: <a href="errata23.html">2.3</a>,
30: <a href="errata24.html">2.4</a>,
31: <a href="errata25.html">2.5</a>,
32: <a href="errata26.html">2.6</a>,
33: <a href="errata27.html">2.7</a>,
34: <a href="errata28.html">2.8</a>,
35: <a href="errata30.html">3.0</a>,
36: <a href="errata31.html">3.1</a>,
1.32 deraadt 37: <a href="errata32.html">3.2</a>,
1.34 david 38: <a href="errata33.html">3.3</a>,
1.39 david 39: <a href="errata34.html">3.4</a>,
1.40 miod 40: <a href="errata35.html">3.5</a>,
1.41 deraadt 41: <a href="errata36.html">3.6</a>,
1.65 deraadt 42: <a href="errata37.html">3.7</a>,
1.50 deraadt 43: <br>
1.44 deraadt 44: <a href="errata38.html">3.8</a>,
1.45 deraadt 45: <a href="errata39.html">3.9</a>,
1.46 deraadt 46: <a href="errata40.html">4.0</a>,
1.48 merdely 47: <a href="errata41.html">4.1</a>,
1.49 deraadt 48: <a href="errata42.html">4.2</a>,
1.50 deraadt 49: <a href="errata43.html">4.3</a>,
1.52 deraadt 50: <a href="errata44.html">4.4</a>,
1.53 deraadt 51: <a href="errata45.html">4.5</a>,
1.54 deraadt 52: <a href="errata46.html">4.6</a>,
1.56 deraadt 53: <a href="errata47.html">4.7</a>,
1.57 miod 54: <a href="errata48.html">4.8</a>,
1.58 nick 55: <a href="errata49.html">4.9</a>,
1.59 sthen 56: <a href="errata50.html">5.0</a>,
1.60 deraadt 57: <a href="errata51.html">5.1</a>,
1.61 deraadt 58: <a href="errata52.html">5.2</a>,
1.62 deraadt 59: <a href="errata53.html">5.3</a>,
1.65 deraadt 60: <br>
1.63 deraadt 61: <a href="errata54.html">5.4</a>,
1.71 jsg 62: <a href="errata55.html">5.5</a>,
1.75 deraadt 63: <a href="errata56.html">5.6</a>,
1.78 deraadt 64: <a href="errata57.html">5.7</a>,
1.79 deraadt 65: <a href="errata58.html">5.8</a>,
1.84 deraadt 66: <a href="errata59.html">5.9</a>,
1.87 tj 67: <a href="errata60.html">6.0</a>,
1.91 deraadt 68: <a href="errata61.html">6.1</a>,
1.92 deraadt 69: <a href="errata62.html">6.2</a>,
1.93 deraadt 70: <a href="errata63.html">6.3</a>,
1.94 ! deraadt 71: <a href="errata64.html">6.4</a>,
! 72: <a href="errata65.html">6.5</a>.
1.1 deraadt 73: <hr>
74:
1.66 deraadt 75: <p>
1.87 tj 76: Patches for the OpenBSD base system are distributed as unified diffs.
77: Each patch contains usage instructions.
78: All the following patches are also available in one
79: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9.tar.gz">tar.gz file</a>
80: for convenience.
1.1 deraadt 81:
82: <p>
1.87 tj 83: Patches for supported releases are also incorporated into the
1.88 tj 84: <a href="stable.html">-stable branch</a>.
1.66 deraadt 85:
1.1 deraadt 86: <hr>
87:
88: <ul>
1.73 bentley 89: <li id="resolver">
1.69 deraadt 90: <font color="#009000"><strong>027: SECURITY FIX: June 25, 2002</strong></font>
91: <i>All architectures</i><br>
1.24 millert 92: A potential buffer overflow in the DNS resolver has been found.<br>
1.86 tb 93: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/027_resolver.patch">
1.66 deraadt 94: A source code patch exists which remedies this problem.</a>
1.24 millert 95: <p>
1.73 bentley 96: <li id="fdalloc2">
1.69 deraadt 97: <font color="#009000"><strong>026: SECURITY FIX: May 8, 2002</strong></font>
98: <i>All architectures</i><br>
1.21 millert 99: A race condition exists where an attacker could fill the file descriptor
100: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
1.22 millert 101: setuid or setgid process.<br>
1.86 tb 102: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/026_fdalloc2.patch">
1.66 deraadt 103: A source code patch exists which remedies this problem.</a>
1.21 millert 104: <p>
1.73 bentley 105: <li id="sudo2">
1.69 deraadt 106: <font color="#009000"><strong>025: SECURITY FIX: April 25, 2002</strong></font>
107: <i>All architectures</i><br>
1.90 tb 108: A bug in <a href="https://man.openbsd.org/OpenBSD-2.9/sudo.8">sudo(8)</a> may allow an attacker to corrupt the heap by specifying a custom prompt.<br>
1.86 tb 109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/025_sudo.patch">
1.66 deraadt 110: A source code patch exists which remedies this problem.</a>
1.20 millert 111: <p>
1.73 bentley 112: <li id="sshafs">
1.69 deraadt 113: <font color="#009000"><strong>024: SECURITY FIX: April 22, 2002</strong></font>
114: <i>All architectures</i><br>
1.19 markus 115: A local user can gain super-user privileges due to a buffer overflow
1.90 tb 116: in <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
1.19 markus 117: if AFS has been configured on the system or if
118: KerberosTgtPassing or AFSTokenPassing has been enabled
119: in the sshd_config file. Ticket and token passing is not enabled
120: by default.<br>
1.86 tb 121: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/024_sshafs.patch">
1.66 deraadt 122: A source code patch exists which remedies this problem.</a>
1.19 markus 123: <p>
1.73 bentley 124: <li id="mail">
1.69 deraadt 125: <font color="#009000"><strong>023: SECURITY FIX: April 11, 2002</strong></font>
126: <i>All architectures</i><br>
1.90 tb 127: <a href="https://man.openbsd.org/OpenBSD-2.9/mail.1">mail(1)</a>
1.15 millert 128: will process tilde escapes even in non-interactive mode.
129: This can lead to a local root compromise.
130: <br>
1.86 tb 131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/023_mail.patch">
1.66 deraadt 132: A source code patch exists which remedies this problem.</a>
1.15 millert 133: <p>
1.73 bentley 134: <li id="zlib">
1.69 deraadt 135: <font color="#009000"><strong>022: RELIABILITY FIX: March 13, 2002</strong></font>
136: <i>All architectures</i><br>
1.13 millert 137: Under some circumstances the zlib compression library can free dynamically
138: allocated memory twice. This is not a security issue on OpenBSD since the BSD
1.90 tb 139: <a href="https://man.openbsd.org/OpenBSD-2.9/free.3">free(3)</a>
1.13 millert 140: function detects this.
1.30 jufi 141: There is also a kernel zlib component that may be used by pppd and IPsec.
1.14 millert 142: The feasibility of attacking the kernel this way is currently unknown.<br>
1.86 tb 143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/022_zlib.patch">
1.66 deraadt 144: A source code patch exists which remedies this problem.</a>
1.13 millert 145: <p>
1.73 bentley 146: <li id="openssh">
1.69 deraadt 147: <font color="#009000"><strong>021: SECURITY FIX: March 8, 2002</strong></font>
148: <i>All architectures</i><br>
1.12 millert 149: A local user can gain super-user privileges due to an off-by-one check
150: in the channel forwarding code of OpenSSH.<br>
1.86 tb 151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/021_openssh.patch">
1.66 deraadt 152: A source code patch exists which remedies this problem.</a>
1.12 millert 153: <p>
1.73 bentley 154: <li id="ptrace">
1.69 deraadt 155: <font color="#009000"><strong>020: SECURITY FIX: February 20, 2002</strong></font>
156: <i>All architectures</i><br>
1.11 miod 157: A race condition between the ptrace(2) and execve(2) system calls allows
158: an attacker to modify the memory contents of suid/sgid processes which
159: could lead to compromise of the super-user account.<br>
1.86 tb 160: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/020_ptrace.patch">
1.66 deraadt 161: A source code patch exists which remedies this problem.</a>
1.11 miod 162: <p>
1.73 bentley 163: <li id="sudo">
1.69 deraadt 164: <font color="#009000"><strong>019: SECURITY FIX: January 17, 2002</strong></font>
165: <i>All architectures</i><br>
1.7 millert 166: If the Postfix sendmail replacement is installed on a system an
167: attacker may be able to gain root privileges on the local host via
168: sudo(8) which runs the mailer as root with an environment inherited
169: from the invoking user. While this is a bug in sudo it is not
170: believed to be possible to exploit when sendmail (the mailer that
171: ships with OpenBSD) is the mailer. As of version 1.6.5, sudo passes
172: the mailer an environment that is not subject to influence from the
1.8 millert 173: invoking user.<br>
1.86 tb 174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/019_sudo.patch">
1.66 deraadt 175: A source code patch exists which remedies this problem.</a>
1.7 millert 176: <p>
1.73 bentley 177: <li id="missing">
1.68 deraadt 178: <font color="#00900"><strong>018: INSTALL PROBLEM: Dec 11, 2001</strong></font><br>
179: The X binary sets shipped with OpenBSD 2.9 do not contain several files. These
180: missing files can be added manually from the sparc tarballs after the
181: installation:<br>
182: Grab the
1.86 tb 183: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xbase29.tgz">xbase29.tgz</a>
1.68 deraadt 184: and
1.86 tb 185: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xshare29.tgz">xshare29.tgz</a>
1.68 deraadt 186: files found in the 2.9/sparc directory on the CD, or any FTP site. The missing
187: files can be installed by using the following commands:
188: <pre>
189: # cd /; tar xzpf xbase29.tgz ./usr/X11R6/lib/X11/{rgb.txt,xdm}
190: # cd /; tar xzpf xserv29.tgz ./etc/X11/xserver ./usr/X11R6/lib/X11/xserver
191: # cd /usr/X11R6/bin/; ln -fs Xmac68k X
192: </pre>
193: <p>
1.73 bentley 194: <li id="lpd2">
1.69 deraadt 195: <font color="#009000"><strong>017: SECURITY FIX: November 28, 2001</strong></font>
196: <i>All architectures</i><br>
1.4 millert 197: A security issue exists in the lpd daemon that may allow an attacker
198: to create arbitrary new files in the root directory. Only machines
199: with line printer access (ie: listed in either /etc/hosts.lpd or
200: /etc/hosts.equiv) may be used to mount an attack and the attacker
201: must have root access on the machine. OpenBSD does not start lpd
202: in the default installation.
1.86 tb 203: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/017_lpd.patch">
1.66 deraadt 204: A source code patch exists which remedies this problem.</a>
1.4 millert 205: <p>
1.73 bentley 206: <li id="vi.recover">
1.69 deraadt 207: <font color="#009000"><strong>016: SECURITY FIX: November 13, 2001</strong></font>
208: <i>All architectures</i><br>
1.2 millert 209: A security issue exists in the vi.recover script that may allow an attacker
210: to remove arbitrary zero-length files, regardless of ownership.
211: <br>
1.86 tb 212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/016_recover.patch">
1.66 deraadt 213: A source code patch exists which remedies this problem.</a>
1.2 millert 214: <p>
1.73 bentley 215: <li id="uucp">
1.69 deraadt 216: <font color="#009000"><strong>015: SECURITY FIX: September 11, 2001</strong></font>
217: <i>All architectures</i><br>
1.90 tb 218: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/uuxqt.8">uuxqt(8)</a>
1.1 deraadt 219: that may allow an attacker to run arbitrary commands as user uucp and
220: use this to gain root access.
221: The UUCP execution daemon, uuxqt(8), has a bug in its command line
222: parsing routine that may allow arbitrary commands to be run. Because
223: some UUCP commands are run as root (and daemon) from cron it is possible
224: to leverage compromise of the UUCP user to gain root.
225: <br>
1.86 tb 226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/015_uucp.patch">
1.66 deraadt 227: A source code patch exists which remedies this problem.</a>
1.1 deraadt 228: <p>
1.73 bentley 229: <li id="lpd">
1.69 deraadt 230: <font color="#009000"><strong>014: SECURITY FIX: August 29, 2001</strong></font>
231: <i>All architectures</i><br>
1.90 tb 232: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/lpd.8">lpd(8)</a>
1.1 deraadt 233: that may allow an attacker with line printer access to gain root
234: privileges. A machine must be running lpd to be vulnerable (OpenBSD
235: does not start lpd by default). Only machines with line printer
236: access (ie: listed in either /etc/hosts.lpd or /etc/hosts.equiv)
237: may be used to mount an attack.
238: <br>
1.86 tb 239: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/014_lpd.patch">
1.66 deraadt 240: A source code patch exists which remedies this problem.</a>
1.1 deraadt 241: <p>
1.73 bentley 242: <li id="sendmail2">
1.69 deraadt 243: <font color="#009000"><strong>013: SECURITY FIX: August 21, 2001</strong></font>
244: <i>All architectures</i><br>
1.90 tb 245: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/sendmail.8">sendmail(8)</a>
1.1 deraadt 246: that may allow an attacker on the local host to gain root privileges by
247: specifying out-of-bounds debug parameters.
248: <br>
1.86 tb 249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/013_sendmail.patch">
1.66 deraadt 250: A source code patch exists which remedies this problem.</a>
1.1 deraadt 251: <p>
1.73 bentley 252: <li id="nfs">
1.69 deraadt 253: <font color="#009000"><strong>012: SECURITY FIX: July 30, 2001</strong></font>
254: <i>All architectures</i><br>
1.1 deraadt 255: A kernel buffer overflow exists in the NFS mount code. An attacker may
256: use this overflow to execute arbitrary code in kernel mode. However,
1.90 tb 257: only users with <a href="https://man.openbsd.org/OpenBSD-2.9/mount.2">mount(2)</a>
1.1 deraadt 258: privileges can initiate this attack. In default installs, only super-user has
1.90 tb 259: mount privileges. The kern.usermount <a href="https://man.openbsd.org/OpenBSD-2.9/sysctl.3">sysctl(3)</a> controls whether other users have mount privileges.
1.1 deraadt 260: <br>
1.86 tb 261: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/012_nfs.patch">
1.66 deraadt 262: A source code patch exists which remedies this problem.</a>
1.1 deraadt 263: <p>
1.73 bentley 264: <li id="pkg">
1.69 deraadt 265: <font color="#009000"><strong>011: RELIABILITY FIX: July 15, 2001</strong></font>
266: <i>All architectures</i><br>
1.63 deraadt 267: The
1.90 tb 268: <a href="https://man.openbsd.org/OpenBSD-2.9/packages.7">packages(7)</a>
1.1 deraadt 269: subsystem incorrectly accepts some package dependencies as okay (see
1.90 tb 270: <a href="https://man.openbsd.org/OpenBSD-2.9/packages-specs.7">packages-specs(7)</a>
1.1 deraadt 271: for details).
272: <br>
1.86 tb 273: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/011_pkg.patch">
1.66 deraadt 274: A source code patch exists which remedies this problem.</a>
1.1 deraadt 275: by forcing <code>/usr/sbin/pkg</code> to be more careful in checking
276: version numbers.
277: <p>
1.73 bentley 278: <li id="nvidia">
1.68 deraadt 279: <font color="#009000"><strong>010: RELIABILITY FIX: Jul 9, 2001</strong></font><br>
280: The NVIDIA driver for XFree86 4.0.3 is incorrectly restoring the text
281: mode palette upon exit of the X server. <a
1.86 tb 282: href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/010_nvidia.patch">
1.68 deraadt 283: A source code patch exists which remedies this problem.</a>
284: To avoid rebuilding the whole XFree86 tree, an updated binary driver
285: is also available
1.86 tb 286: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/nv_drv.o">here</a>.
1.68 deraadt 287: Just grab it, copy it to /usr/X11R6/lib/modules/drivers/ and
288: restart your X server.
289: <p>
1.73 bentley 290: <li id="XF86Setup">
1.68 deraadt 291: <font color="#009000"><strong>009: RELIABILITY FIX: Jun 23, 2001</strong></font><br>
292: The XF86Setup(1) configuration tool for XFree86 3.3.6 is producing
293: corrupted /etc/XF86Config files.
1.86 tb 294: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/009_XF86Setup.patch">
1.68 deraadt 295: A source code patch exists which remedies this problem.</a>
296: It does so by linking XF86Setup against the XFree86 3.3.6 version of libXxf86vm.a.
297: <p>
298: <li>When using a PS/2 keyboard with an MSI K7T Pro2A motherboard, it may be
299: necessary to disable the "USB Keyboard Support" and
300: "USB Mouse Support" options in the BIOS. Otherwise, the i8042
301: keyboard controller doesn't acknowledge commands, confusing OpenBSD.
302: <p>
1.73 bentley 303: <li id="twe">
1.69 deraadt 304: <font color="#009000"><strong>008: RELIABILITY FIX: June 15, 2001</strong></font>
305: <i>All architectures</i><br>
1.90 tb 306: <a href="https://man.openbsd.org/OpenBSD-2.9/twe.4">twe(4)</a>
1.1 deraadt 307: mishandles the DMA mapping resulting in a kernel panic on unaligned data
308: transfers, induced by programs such as
1.90 tb 309: <a href="https://man.openbsd.org/OpenBSD-2.9/disklabel.8">disklabel(8)</a>
1.1 deraadt 310: and
1.90 tb 311: <a href="https://man.openbsd.org/OpenBSD-2.9/dump.8">dump(8)</a>.
1.1 deraadt 312: <br>
1.86 tb 313: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/008_twe.patch">
1.66 deraadt 314: A source code patch exists which remedies this problem.</a>
1.1 deraadt 315: This is the second version of the patch.
316: <p>
1.73 bentley 317: <li id="kernexec">
1.69 deraadt 318: <font color="#009000"><strong>007: SECURITY FIX: June 15, 2001</strong></font>
319: <i>All architectures</i><br>
1.90 tb 320: A race condition exists in the kernel <a href="https://man.openbsd.org/OpenBSD-2.9/execve.2">execve(2)</a> implementation that opens a small window of vulnerability for a non-privileged user to <a href="https://man.openbsd.org/OpenBSD-2.9/ptrace.2">ptrace(2)</a> attach to a suid/sgid process.
1.1 deraadt 321: <br>
1.86 tb 322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/007_kernexec.patch">
1.66 deraadt 323: A source code patch exists which remedies this problem.</a>
1.63 deraadt 324: <p>
1.73 bentley 325: <li id="sshcookie">
1.69 deraadt 326: <font color="#009000"><strong>006: SECURITY FIX: June 12, 2001</strong></font>
327: <i>All architectures</i><br>
1.90 tb 328: <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
1.1 deraadt 329: allows users to delete arbitrary files named "cookies" if X11
330: forwarding is enabled. X11 forwarding is disabled by default.
331: <br>
1.86 tb 332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/006_sshcookie.patch">
1.66 deraadt 333: A source code patch exists which remedies this problem.</a>
1.63 deraadt 334: <p>
1.73 bentley 335: <li id="pwd_mkdb">
1.69 deraadt 336: <font color="#009000"><strong>005: RELIABILITY FIX: June 7, 2001</strong></font>
337: <i>All architectures</i><br>
1.90 tb 338: <a href="https://man.openbsd.org/OpenBSD-2.9/pwd_mkdb.8">pwd_mkdb(8)</a>
1.1 deraadt 339: corrupts /etc/pwd.db when modifying an existing user.
340: <br>
1.86 tb 341: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/005_pwd_mkdb.patch">
1.66 deraadt 342: A source code patch exists which remedies this problem.</a>
1.63 deraadt 343: <p>
1.73 bentley 344: <li id="isakmpd">
1.69 deraadt 345: <font color="#009000"><strong>004: RELIABILITY FIX: June 5, 2001</strong></font>
346: <i>All architectures</i><br>
1.90 tb 347: <a href="https://man.openbsd.org/OpenBSD-2.9/isakmpd.8">isakmpd(8)</a>
1.1 deraadt 348: will fail to use a certificate with an identity string that is
349: exactly N * 8 bytes long.
350: <br>
1.86 tb 351: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/004_isakmpd.patch">
1.66 deraadt 352: A source code patch exists which remedies this problem.</a>
1.63 deraadt 353: <p>
1.73 bentley 354: <li id="cd_cover">
1.69 deraadt 355: <font color="#009000"><strong>003: DOCUMENTATION FIX: June 1, 2001</strong></font>
356: <i>All architectures</i><br>
1.1 deraadt 357: The 2.9 CD cover states that XFree86 3.3.6-current is included. This is only half-true.
358: In fact, the XFree86 included for all architectures is 4.0.3. On the i386, the
359: 3.3.6 Xservers have also been included, because 4.0.3 still has weak support for
360: some devices which 3.3.6 supported better.
1.63 deraadt 361: <p>
1.73 bentley 362: <li id="fts">
1.69 deraadt 363: <font color="#009000"><strong>002: SECURITY FIX: May 30, 2001</strong></font>
364: <i>All architectures</i><br>
1.90 tb 365: Programs using the <a href="https://man.openbsd.org/OpenBSD-2.9/fts.3">fts(3)</a>
1.1 deraadt 366: routines (such as rm, find, and most programs that take a <b>-R</b>
367: flag) can be tricked into changing into the wrong directory if the
368: parent dir is changed out from underneath it. This is similar to
369: the old fts bug but happens when popping out of directories, as
370: opposed to descending into them.
371: <br>
1.86 tb 372: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/002_fts.patch">
1.66 deraadt 373: A source code patch exists which remedies this problem.</a>
1.1 deraadt 374: This is the second version of the patch.
375: <p>
1.73 bentley 376: <li id="sendmail">
1.69 deraadt 377: <font color="#009000"><strong>001: SECURITY FIX: May 29, 2001</strong></font>
378: <i>All architectures</i><br>
1.90 tb 379: The signal handlers in <a href="https://man.openbsd.org/OpenBSD-2.9/sendmail.8">sendmail(8)</a> contain code that is unsafe in the
1.1 deraadt 380: context of a signal handler. This leads to potentially serious
381: race conditions. At the moment this is a theoretical attack only
382: and can only be exploited on the local host (if at all).<br>
1.86 tb 383: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/001_sendmail.patch">
1.66 deraadt 384: A source code patch exists which remedies this problem.</a>
1.84 deraadt 385: <p>
386:
1.1 deraadt 387: </ul>
1.64 deraadt 388:
1.74 tedu 389: <hr>
390:
1.1 deraadt 391: </body>
392: </html>
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