Annotation of www/errata29.html, Revision 1.92
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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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16:
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>,
! 70: <a href="errata63.html">6.3</a>.
1.1 deraadt 71: <hr>
72:
1.66 deraadt 73: <p>
1.87 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/2.9.tar.gz">tar.gz file</a>
78: for convenience.
1.1 deraadt 79:
80: <p>
1.87 tj 81: Patches for supported releases are also incorporated into the
1.88 tj 82: <a href="stable.html">-stable branch</a>.
1.66 deraadt 83:
1.1 deraadt 84: <hr>
85:
86: <ul>
1.73 bentley 87: <li id="resolver">
1.69 deraadt 88: <font color="#009000"><strong>027: SECURITY FIX: June 25, 2002</strong></font>
89: <i>All architectures</i><br>
1.24 millert 90: A potential buffer overflow in the DNS resolver has been found.<br>
1.86 tb 91: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/027_resolver.patch">
1.66 deraadt 92: A source code patch exists which remedies this problem.</a>
1.24 millert 93: <p>
1.73 bentley 94: <li id="fdalloc2">
1.69 deraadt 95: <font color="#009000"><strong>026: SECURITY FIX: May 8, 2002</strong></font>
96: <i>All architectures</i><br>
1.21 millert 97: A race condition exists where an attacker could fill the file descriptor
98: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
1.22 millert 99: setuid or setgid process.<br>
1.86 tb 100: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/026_fdalloc2.patch">
1.66 deraadt 101: A source code patch exists which remedies this problem.</a>
1.21 millert 102: <p>
1.73 bentley 103: <li id="sudo2">
1.69 deraadt 104: <font color="#009000"><strong>025: SECURITY FIX: April 25, 2002</strong></font>
105: <i>All architectures</i><br>
1.90 tb 106: 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 107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/025_sudo.patch">
1.66 deraadt 108: A source code patch exists which remedies this problem.</a>
1.20 millert 109: <p>
1.73 bentley 110: <li id="sshafs">
1.69 deraadt 111: <font color="#009000"><strong>024: SECURITY FIX: April 22, 2002</strong></font>
112: <i>All architectures</i><br>
1.19 markus 113: A local user can gain super-user privileges due to a buffer overflow
1.90 tb 114: in <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
1.19 markus 115: if AFS has been configured on the system or if
116: KerberosTgtPassing or AFSTokenPassing has been enabled
117: in the sshd_config file. Ticket and token passing is not enabled
118: by default.<br>
1.86 tb 119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/024_sshafs.patch">
1.66 deraadt 120: A source code patch exists which remedies this problem.</a>
1.19 markus 121: <p>
1.73 bentley 122: <li id="mail">
1.69 deraadt 123: <font color="#009000"><strong>023: SECURITY FIX: April 11, 2002</strong></font>
124: <i>All architectures</i><br>
1.90 tb 125: <a href="https://man.openbsd.org/OpenBSD-2.9/mail.1">mail(1)</a>
1.15 millert 126: will process tilde escapes even in non-interactive mode.
127: This can lead to a local root compromise.
128: <br>
1.86 tb 129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/023_mail.patch">
1.66 deraadt 130: A source code patch exists which remedies this problem.</a>
1.15 millert 131: <p>
1.73 bentley 132: <li id="zlib">
1.69 deraadt 133: <font color="#009000"><strong>022: RELIABILITY FIX: March 13, 2002</strong></font>
134: <i>All architectures</i><br>
1.13 millert 135: Under some circumstances the zlib compression library can free dynamically
136: allocated memory twice. This is not a security issue on OpenBSD since the BSD
1.90 tb 137: <a href="https://man.openbsd.org/OpenBSD-2.9/free.3">free(3)</a>
1.13 millert 138: function detects this.
1.30 jufi 139: There is also a kernel zlib component that may be used by pppd and IPsec.
1.14 millert 140: The feasibility of attacking the kernel this way is currently unknown.<br>
1.86 tb 141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/022_zlib.patch">
1.66 deraadt 142: A source code patch exists which remedies this problem.</a>
1.13 millert 143: <p>
1.73 bentley 144: <li id="openssh">
1.69 deraadt 145: <font color="#009000"><strong>021: SECURITY FIX: March 8, 2002</strong></font>
146: <i>All architectures</i><br>
1.12 millert 147: A local user can gain super-user privileges due to an off-by-one check
148: in the channel forwarding code of OpenSSH.<br>
1.86 tb 149: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/021_openssh.patch">
1.66 deraadt 150: A source code patch exists which remedies this problem.</a>
1.12 millert 151: <p>
1.73 bentley 152: <li id="ptrace">
1.69 deraadt 153: <font color="#009000"><strong>020: SECURITY FIX: February 20, 2002</strong></font>
154: <i>All architectures</i><br>
1.11 miod 155: A race condition between the ptrace(2) and execve(2) system calls allows
156: an attacker to modify the memory contents of suid/sgid processes which
157: could lead to compromise of the super-user account.<br>
1.86 tb 158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/020_ptrace.patch">
1.66 deraadt 159: A source code patch exists which remedies this problem.</a>
1.11 miod 160: <p>
1.73 bentley 161: <li id="sudo">
1.69 deraadt 162: <font color="#009000"><strong>019: SECURITY FIX: January 17, 2002</strong></font>
163: <i>All architectures</i><br>
1.7 millert 164: If the Postfix sendmail replacement is installed on a system an
165: attacker may be able to gain root privileges on the local host via
166: sudo(8) which runs the mailer as root with an environment inherited
167: from the invoking user. While this is a bug in sudo it is not
168: believed to be possible to exploit when sendmail (the mailer that
169: ships with OpenBSD) is the mailer. As of version 1.6.5, sudo passes
170: the mailer an environment that is not subject to influence from the
1.8 millert 171: invoking user.<br>
1.86 tb 172: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/019_sudo.patch">
1.66 deraadt 173: A source code patch exists which remedies this problem.</a>
1.7 millert 174: <p>
1.73 bentley 175: <li id="missing">
1.68 deraadt 176: <font color="#00900"><strong>018: INSTALL PROBLEM: Dec 11, 2001</strong></font><br>
177: The X binary sets shipped with OpenBSD 2.9 do not contain several files. These
178: missing files can be added manually from the sparc tarballs after the
179: installation:<br>
180: Grab the
1.86 tb 181: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xbase29.tgz">xbase29.tgz</a>
1.68 deraadt 182: and
1.86 tb 183: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xshare29.tgz">xshare29.tgz</a>
1.68 deraadt 184: files found in the 2.9/sparc directory on the CD, or any FTP site. The missing
185: files can be installed by using the following commands:
186: <pre>
187: # cd /; tar xzpf xbase29.tgz ./usr/X11R6/lib/X11/{rgb.txt,xdm}
188: # cd /; tar xzpf xserv29.tgz ./etc/X11/xserver ./usr/X11R6/lib/X11/xserver
189: # cd /usr/X11R6/bin/; ln -fs Xmac68k X
190: </pre>
191: <p>
1.73 bentley 192: <li id="lpd2">
1.69 deraadt 193: <font color="#009000"><strong>017: SECURITY FIX: November 28, 2001</strong></font>
194: <i>All architectures</i><br>
1.4 millert 195: A security issue exists in the lpd daemon that may allow an attacker
196: to create arbitrary new files in the root directory. Only machines
197: with line printer access (ie: listed in either /etc/hosts.lpd or
198: /etc/hosts.equiv) may be used to mount an attack and the attacker
199: must have root access on the machine. OpenBSD does not start lpd
200: in the default installation.
1.86 tb 201: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/017_lpd.patch">
1.66 deraadt 202: A source code patch exists which remedies this problem.</a>
1.4 millert 203: <p>
1.73 bentley 204: <li id="vi.recover">
1.69 deraadt 205: <font color="#009000"><strong>016: SECURITY FIX: November 13, 2001</strong></font>
206: <i>All architectures</i><br>
1.2 millert 207: A security issue exists in the vi.recover script that may allow an attacker
208: to remove arbitrary zero-length files, regardless of ownership.
209: <br>
1.86 tb 210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/016_recover.patch">
1.66 deraadt 211: A source code patch exists which remedies this problem.</a>
1.2 millert 212: <p>
1.73 bentley 213: <li id="uucp">
1.69 deraadt 214: <font color="#009000"><strong>015: SECURITY FIX: September 11, 2001</strong></font>
215: <i>All architectures</i><br>
1.90 tb 216: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/uuxqt.8">uuxqt(8)</a>
1.1 deraadt 217: that may allow an attacker to run arbitrary commands as user uucp and
218: use this to gain root access.
219: The UUCP execution daemon, uuxqt(8), has a bug in its command line
220: parsing routine that may allow arbitrary commands to be run. Because
221: some UUCP commands are run as root (and daemon) from cron it is possible
222: to leverage compromise of the UUCP user to gain root.
223: <br>
1.86 tb 224: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/015_uucp.patch">
1.66 deraadt 225: A source code patch exists which remedies this problem.</a>
1.1 deraadt 226: <p>
1.73 bentley 227: <li id="lpd">
1.69 deraadt 228: <font color="#009000"><strong>014: SECURITY FIX: August 29, 2001</strong></font>
229: <i>All architectures</i><br>
1.90 tb 230: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/lpd.8">lpd(8)</a>
1.1 deraadt 231: that may allow an attacker with line printer access to gain root
232: privileges. A machine must be running lpd to be vulnerable (OpenBSD
233: does not start lpd by default). Only machines with line printer
234: access (ie: listed in either /etc/hosts.lpd or /etc/hosts.equiv)
235: may be used to mount an attack.
236: <br>
1.86 tb 237: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/014_lpd.patch">
1.66 deraadt 238: A source code patch exists which remedies this problem.</a>
1.1 deraadt 239: <p>
1.73 bentley 240: <li id="sendmail2">
1.69 deraadt 241: <font color="#009000"><strong>013: SECURITY FIX: August 21, 2001</strong></font>
242: <i>All architectures</i><br>
1.90 tb 243: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/sendmail.8">sendmail(8)</a>
1.1 deraadt 244: that may allow an attacker on the local host to gain root privileges by
245: specifying out-of-bounds debug parameters.
246: <br>
1.86 tb 247: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/013_sendmail.patch">
1.66 deraadt 248: A source code patch exists which remedies this problem.</a>
1.1 deraadt 249: <p>
1.73 bentley 250: <li id="nfs">
1.69 deraadt 251: <font color="#009000"><strong>012: SECURITY FIX: July 30, 2001</strong></font>
252: <i>All architectures</i><br>
1.1 deraadt 253: A kernel buffer overflow exists in the NFS mount code. An attacker may
254: use this overflow to execute arbitrary code in kernel mode. However,
1.90 tb 255: only users with <a href="https://man.openbsd.org/OpenBSD-2.9/mount.2">mount(2)</a>
1.1 deraadt 256: privileges can initiate this attack. In default installs, only super-user has
1.90 tb 257: 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 258: <br>
1.86 tb 259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/012_nfs.patch">
1.66 deraadt 260: A source code patch exists which remedies this problem.</a>
1.1 deraadt 261: <p>
1.73 bentley 262: <li id="pkg">
1.69 deraadt 263: <font color="#009000"><strong>011: RELIABILITY FIX: July 15, 2001</strong></font>
264: <i>All architectures</i><br>
1.63 deraadt 265: The
1.90 tb 266: <a href="https://man.openbsd.org/OpenBSD-2.9/packages.7">packages(7)</a>
1.1 deraadt 267: subsystem incorrectly accepts some package dependencies as okay (see
1.90 tb 268: <a href="https://man.openbsd.org/OpenBSD-2.9/packages-specs.7">packages-specs(7)</a>
1.1 deraadt 269: for details).
270: <br>
1.86 tb 271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/011_pkg.patch">
1.66 deraadt 272: A source code patch exists which remedies this problem.</a>
1.1 deraadt 273: by forcing <code>/usr/sbin/pkg</code> to be more careful in checking
274: version numbers.
275: <p>
1.73 bentley 276: <li id="nvidia">
1.68 deraadt 277: <font color="#009000"><strong>010: RELIABILITY FIX: Jul 9, 2001</strong></font><br>
278: The NVIDIA driver for XFree86 4.0.3 is incorrectly restoring the text
279: mode palette upon exit of the X server. <a
1.86 tb 280: href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/010_nvidia.patch">
1.68 deraadt 281: A source code patch exists which remedies this problem.</a>
282: To avoid rebuilding the whole XFree86 tree, an updated binary driver
283: is also available
1.86 tb 284: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/nv_drv.o">here</a>.
1.68 deraadt 285: Just grab it, copy it to /usr/X11R6/lib/modules/drivers/ and
286: restart your X server.
287: <p>
1.73 bentley 288: <li id="XF86Setup">
1.68 deraadt 289: <font color="#009000"><strong>009: RELIABILITY FIX: Jun 23, 2001</strong></font><br>
290: The XF86Setup(1) configuration tool for XFree86 3.3.6 is producing
291: corrupted /etc/XF86Config files.
1.86 tb 292: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/009_XF86Setup.patch">
1.68 deraadt 293: A source code patch exists which remedies this problem.</a>
294: It does so by linking XF86Setup against the XFree86 3.3.6 version of libXxf86vm.a.
295: <p>
296: <li>When using a PS/2 keyboard with an MSI K7T Pro2A motherboard, it may be
297: necessary to disable the "USB Keyboard Support" and
298: "USB Mouse Support" options in the BIOS. Otherwise, the i8042
299: keyboard controller doesn't acknowledge commands, confusing OpenBSD.
300: <p>
1.73 bentley 301: <li id="twe">
1.69 deraadt 302: <font color="#009000"><strong>008: RELIABILITY FIX: June 15, 2001</strong></font>
303: <i>All architectures</i><br>
1.90 tb 304: <a href="https://man.openbsd.org/OpenBSD-2.9/twe.4">twe(4)</a>
1.1 deraadt 305: mishandles the DMA mapping resulting in a kernel panic on unaligned data
306: transfers, induced by programs such as
1.90 tb 307: <a href="https://man.openbsd.org/OpenBSD-2.9/disklabel.8">disklabel(8)</a>
1.1 deraadt 308: and
1.90 tb 309: <a href="https://man.openbsd.org/OpenBSD-2.9/dump.8">dump(8)</a>.
1.1 deraadt 310: <br>
1.86 tb 311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/008_twe.patch">
1.66 deraadt 312: A source code patch exists which remedies this problem.</a>
1.1 deraadt 313: This is the second version of the patch.
314: <p>
1.73 bentley 315: <li id="kernexec">
1.69 deraadt 316: <font color="#009000"><strong>007: SECURITY FIX: June 15, 2001</strong></font>
317: <i>All architectures</i><br>
1.90 tb 318: 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 319: <br>
1.86 tb 320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/007_kernexec.patch">
1.66 deraadt 321: A source code patch exists which remedies this problem.</a>
1.63 deraadt 322: <p>
1.73 bentley 323: <li id="sshcookie">
1.69 deraadt 324: <font color="#009000"><strong>006: SECURITY FIX: June 12, 2001</strong></font>
325: <i>All architectures</i><br>
1.90 tb 326: <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
1.1 deraadt 327: allows users to delete arbitrary files named "cookies" if X11
328: forwarding is enabled. X11 forwarding is disabled by default.
329: <br>
1.86 tb 330: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/006_sshcookie.patch">
1.66 deraadt 331: A source code patch exists which remedies this problem.</a>
1.63 deraadt 332: <p>
1.73 bentley 333: <li id="pwd_mkdb">
1.69 deraadt 334: <font color="#009000"><strong>005: RELIABILITY FIX: June 7, 2001</strong></font>
335: <i>All architectures</i><br>
1.90 tb 336: <a href="https://man.openbsd.org/OpenBSD-2.9/pwd_mkdb.8">pwd_mkdb(8)</a>
1.1 deraadt 337: corrupts /etc/pwd.db when modifying an existing user.
338: <br>
1.86 tb 339: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/005_pwd_mkdb.patch">
1.66 deraadt 340: A source code patch exists which remedies this problem.</a>
1.63 deraadt 341: <p>
1.73 bentley 342: <li id="isakmpd">
1.69 deraadt 343: <font color="#009000"><strong>004: RELIABILITY FIX: June 5, 2001</strong></font>
344: <i>All architectures</i><br>
1.90 tb 345: <a href="https://man.openbsd.org/OpenBSD-2.9/isakmpd.8">isakmpd(8)</a>
1.1 deraadt 346: will fail to use a certificate with an identity string that is
347: exactly N * 8 bytes long.
348: <br>
1.86 tb 349: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/004_isakmpd.patch">
1.66 deraadt 350: A source code patch exists which remedies this problem.</a>
1.63 deraadt 351: <p>
1.73 bentley 352: <li id="cd_cover">
1.69 deraadt 353: <font color="#009000"><strong>003: DOCUMENTATION FIX: June 1, 2001</strong></font>
354: <i>All architectures</i><br>
1.1 deraadt 355: The 2.9 CD cover states that XFree86 3.3.6-current is included. This is only half-true.
356: In fact, the XFree86 included for all architectures is 4.0.3. On the i386, the
357: 3.3.6 Xservers have also been included, because 4.0.3 still has weak support for
358: some devices which 3.3.6 supported better.
1.63 deraadt 359: <p>
1.73 bentley 360: <li id="fts">
1.69 deraadt 361: <font color="#009000"><strong>002: SECURITY FIX: May 30, 2001</strong></font>
362: <i>All architectures</i><br>
1.90 tb 363: Programs using the <a href="https://man.openbsd.org/OpenBSD-2.9/fts.3">fts(3)</a>
1.1 deraadt 364: routines (such as rm, find, and most programs that take a <b>-R</b>
365: flag) can be tricked into changing into the wrong directory if the
366: parent dir is changed out from underneath it. This is similar to
367: the old fts bug but happens when popping out of directories, as
368: opposed to descending into them.
369: <br>
1.86 tb 370: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/002_fts.patch">
1.66 deraadt 371: A source code patch exists which remedies this problem.</a>
1.1 deraadt 372: This is the second version of the patch.
373: <p>
1.73 bentley 374: <li id="sendmail">
1.69 deraadt 375: <font color="#009000"><strong>001: SECURITY FIX: May 29, 2001</strong></font>
376: <i>All architectures</i><br>
1.90 tb 377: 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 378: context of a signal handler. This leads to potentially serious
379: race conditions. At the moment this is a theoretical attack only
380: and can only be exploited on the local host (if at all).<br>
1.86 tb 381: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/001_sendmail.patch">
1.66 deraadt 382: A source code patch exists which remedies this problem.</a>
1.84 deraadt 383: <p>
384:
1.1 deraadt 385: </ul>
1.64 deraadt 386:
1.74 tedu 387: <hr>
388:
1.1 deraadt 389: </body>
390: </html>
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