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1.95      bentley     1: <!doctype html>
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1.83      tj          5: <title>OpenBSD 2.9 Errata</title>
1.1       deraadt     6: <meta name="description" content="the OpenBSD CD errata page">
1.82      deraadt     7: <meta name="viewport" content="width=device-width, initial-scale=1">
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1.85      tb          9: <link rel="canonical" href="https://www.openbsd.org/errata29.html">
1.1       deraadt    10:
1.72      deraadt    11: <!--
                     12:                        IMPORTANT REMINDER
                     13:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
                     14: -->
                     15:
1.1       deraadt    16:
1.95      bentley    17: <h2 id=OpenBSD>
1.82      deraadt    18: <a href="index.html">
1.95      bentley    19: <i>Open</i><b>BSD</b></a>
                     20: 2.9 Errata
1.83      tj         21: </h2>
1.82      deraadt    22: <hr>
1.1       deraadt    23:
1.28      deraadt    24: For errata on a certain release, click below:<br>
1.98    ! schwarze   25: <a href="errata20.html">2.0</a>,
1.27      deraadt    26: <a href="errata21.html">2.1</a>,
1.26      deraadt    27: <a href="errata22.html">2.2</a>,
                     28: <a href="errata23.html">2.3</a>,
                     29: <a href="errata24.html">2.4</a>,
                     30: <a href="errata25.html">2.5</a>,
                     31: <a href="errata26.html">2.6</a>,
                     32: <a href="errata27.html">2.7</a>,
                     33: <a href="errata28.html">2.8</a>,
                     34: <a href="errata30.html">3.0</a>,
                     35: <a href="errata31.html">3.1</a>,
1.32      deraadt    36: <a href="errata32.html">3.2</a>,
1.34      david      37: <a href="errata33.html">3.3</a>,
1.39      david      38: <a href="errata34.html">3.4</a>,
1.40      miod       39: <a href="errata35.html">3.5</a>,
1.41      deraadt    40: <a href="errata36.html">3.6</a>,
1.98    ! schwarze   41: <br>
1.65      deraadt    42: <a href="errata37.html">3.7</a>,
1.44      deraadt    43: <a href="errata38.html">3.8</a>,
1.45      deraadt    44: <a href="errata39.html">3.9</a>,
1.46      deraadt    45: <a href="errata40.html">4.0</a>,
1.48      merdely    46: <a href="errata41.html">4.1</a>,
1.49      deraadt    47: <a href="errata42.html">4.2</a>,
1.50      deraadt    48: <a href="errata43.html">4.3</a>,
1.52      deraadt    49: <a href="errata44.html">4.4</a>,
1.53      deraadt    50: <a href="errata45.html">4.5</a>,
1.54      deraadt    51: <a href="errata46.html">4.6</a>,
1.56      deraadt    52: <a href="errata47.html">4.7</a>,
1.57      miod       53: <a href="errata48.html">4.8</a>,
1.58      nick       54: <a href="errata49.html">4.9</a>,
1.59      sthen      55: <a href="errata50.html">5.0</a>,
1.60      deraadt    56: <a href="errata51.html">5.1</a>,
1.61      deraadt    57: <a href="errata52.html">5.2</a>,
1.98    ! schwarze   58: <br>
1.62      deraadt    59: <a href="errata53.html">5.3</a>,
1.63      deraadt    60: <a href="errata54.html">5.4</a>,
1.71      jsg        61: <a href="errata55.html">5.5</a>,
1.75      deraadt    62: <a href="errata56.html">5.6</a>,
1.78      deraadt    63: <a href="errata57.html">5.7</a>,
1.79      deraadt    64: <a href="errata58.html">5.8</a>,
1.84      deraadt    65: <a href="errata59.html">5.9</a>,
1.87      tj         66: <a href="errata60.html">6.0</a>,
1.91      deraadt    67: <a href="errata61.html">6.1</a>,
1.92      deraadt    68: <a href="errata62.html">6.2</a>,
1.93      deraadt    69: <a href="errata63.html">6.3</a>,
1.94      deraadt    70: <a href="errata64.html">6.4</a>,
1.97      deraadt    71: <a href="errata65.html">6.5</a>,
                     72: <a href="errata66.html">6.6</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>
1.96      deraadt    89:
                     90: <li id="sendmail">
                     91: <strong>001: SECURITY FIX: May 29, 2001</strong>
1.69      deraadt    92: &nbsp; <i>All architectures</i><br>
1.96      deraadt    93: 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
                     94: context of a signal handler.  This leads to potentially serious
                     95: race conditions.  At the moment this is a theoretical attack only
                     96: and can only be exploited on the local host (if at all).<br>
                     97: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/001_sendmail.patch">
1.66      deraadt    98: A source code patch exists which remedies this problem.</a>
1.24      millert    99: <p>
1.96      deraadt   100:
                    101: <li id="fts">
                    102: <strong>002: SECURITY FIX: May 30, 2001</strong>
1.69      deraadt   103: &nbsp; <i>All architectures</i><br>
1.96      deraadt   104: Programs using the <a href="https://man.openbsd.org/OpenBSD-2.9/fts.3">fts(3)</a>
                    105: routines (such as rm, find, and most programs that take a <b>-R</b>
                    106: flag) can be tricked into changing into the wrong directory if the
                    107: parent dir is changed out from underneath it.  This is similar to
                    108: the old fts bug but happens when popping out of directories, as
                    109: opposed to descending into them.
                    110: <br>
                    111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/002_fts.patch">
1.66      deraadt   112: A source code patch exists which remedies this problem.</a>
1.96      deraadt   113: This is the second version of the patch.
1.21      millert   114: <p>
1.96      deraadt   115:
                    116: <li id="cd_cover">
                    117: <strong>003: DOCUMENTATION FIX: June 1, 2001</strong>
1.69      deraadt   118: &nbsp; <i>All architectures</i><br>
1.96      deraadt   119: The 2.9 CD cover states that XFree86 3.3.6-current is included.  This is only half-true.
                    120: In fact, the XFree86 included for all architectures is 4.0.3.  On the i386, the
                    121: 3.3.6 Xservers have also been included, because 4.0.3 still has weak support for
                    122: some devices which 3.3.6 supported better.
1.20      millert   123: <p>
1.96      deraadt   124:
                    125: <li id="isakmpd">
                    126: <strong>004: RELIABILITY FIX: June 5, 2001</strong>
1.69      deraadt   127: &nbsp; <i>All architectures</i><br>
1.96      deraadt   128: <a href="https://man.openbsd.org/OpenBSD-2.9/isakmpd.8">isakmpd(8)</a>
                    129: will fail to use a certificate with an identity string that is
                    130: exactly N * 8 bytes long.
                    131: <br>
                    132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/004_isakmpd.patch">
1.66      deraadt   133: A source code patch exists which remedies this problem.</a>
1.19      markus    134: <p>
1.96      deraadt   135:
                    136: <li id="pwd_mkdb">
                    137: <strong>005: RELIABILITY FIX: June 7, 2001</strong>
1.69      deraadt   138: &nbsp; <i>All architectures</i><br>
1.96      deraadt   139: <a href="https://man.openbsd.org/OpenBSD-2.9/pwd_mkdb.8">pwd_mkdb(8)</a>
                    140: corrupts /etc/pwd.db when modifying an existing user.
1.15      millert   141: <br>
1.96      deraadt   142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/005_pwd_mkdb.patch">
1.66      deraadt   143: A source code patch exists which remedies this problem.</a>
1.15      millert   144: <p>
1.96      deraadt   145:
                    146: <li id="sshcookie">
                    147: <strong>006: SECURITY FIX: June 12, 2001</strong>
1.69      deraadt   148: &nbsp; <i>All architectures</i><br>
1.96      deraadt   149: <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
                    150: allows users to delete arbitrary files named "cookies" if X11
                    151: forwarding is enabled. X11 forwarding is disabled by default.
                    152: <br>
                    153: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/006_sshcookie.patch">
1.66      deraadt   154: A source code patch exists which remedies this problem.</a>
1.13      millert   155: <p>
1.96      deraadt   156:
                    157: <li id="kernexec">
                    158: <strong>007: SECURITY FIX: June 15, 2001</strong>
1.69      deraadt   159: &nbsp; <i>All architectures</i><br>
1.96      deraadt   160: 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.
                    161: <br>
                    162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/007_kernexec.patch">
1.66      deraadt   163: A source code patch exists which remedies this problem.</a>
1.12      millert   164: <p>
1.96      deraadt   165:
                    166: <li id="twe">
                    167: <strong>008: RELIABILITY FIX: June 15, 2001</strong>
1.69      deraadt   168: &nbsp; <i>All architectures</i><br>
1.96      deraadt   169: <a href="https://man.openbsd.org/OpenBSD-2.9/twe.4">twe(4)</a>
                    170: mishandles the DMA mapping resulting in a kernel panic on unaligned data
                    171: transfers, induced by programs such as
                    172: <a href="https://man.openbsd.org/OpenBSD-2.9/disklabel.8">disklabel(8)</a>
                    173: and
                    174: <a href="https://man.openbsd.org/OpenBSD-2.9/dump.8">dump(8)</a>.
                    175: <br>
                    176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/008_twe.patch">
1.66      deraadt   177: A source code patch exists which remedies this problem.</a>
1.96      deraadt   178: This is the second version of the patch.
1.11      miod      179: <p>
1.96      deraadt   180:
                    181: <li id="XF86Setup">
                    182: <strong>009: RELIABILITY FIX: Jun 23, 2001</strong><br>
                    183: The XF86Setup(1) configuration tool for XFree86 3.3.6 is producing
                    184: corrupted /etc/XF86Config files.
                    185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/009_XF86Setup.patch">
1.66      deraadt   186: A source code patch exists which remedies this problem.</a>
1.96      deraadt   187: It does so by linking XF86Setup against the XFree86 3.3.6 version of libXxf86vm.a.
                    188: <p>
                    189: <li>When using a PS/2 keyboard with an MSI K7T Pro2A motherboard, it may be
                    190: necessary to disable the &quot;USB Keyboard Support&quot; and
                    191: &quot;USB Mouse Support&quot; options in the BIOS. Otherwise, the i8042
                    192: keyboard controller doesn't acknowledge commands, confusing OpenBSD.
1.7       millert   193: <p>
1.96      deraadt   194:
                    195: <li id="nvidia">
                    196: <strong>010: RELIABILITY FIX: Jul 9, 2001</strong><br>
                    197: The NVIDIA driver for XFree86 4.0.3 is incorrectly restoring the text
                    198: mode palette upon exit of the X server. <a
                    199: href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/010_nvidia.patch">
                    200: A source code patch exists which remedies this problem.</a>
                    201: To avoid rebuilding the whole XFree86 tree, an updated binary driver
                    202: is also available
                    203: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/nv_drv.o">here</a>.
                    204: Just grab it, copy it to /usr/X11R6/lib/modules/drivers/ and
                    205: restart your X server.
1.68      deraadt   206: <p>
1.96      deraadt   207:
                    208: <li id="pkg">
                    209: <strong>011: RELIABILITY FIX: July 15, 2001</strong>
1.69      deraadt   210: &nbsp; <i>All architectures</i><br>
1.96      deraadt   211: The
                    212: <a href="https://man.openbsd.org/OpenBSD-2.9/packages.7">packages(7)</a>
                    213: subsystem incorrectly accepts some package dependencies as okay (see
                    214: <a href="https://man.openbsd.org/OpenBSD-2.9/packages-specs.7">packages-specs(7)</a>
                    215: for details).
                    216: <br>
                    217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/011_pkg.patch">
1.66      deraadt   218: A source code patch exists which remedies this problem.</a>
1.96      deraadt   219: by forcing <code>/usr/sbin/pkg</code> to be more careful in checking
                    220: version numbers.
1.4       millert   221: <p>
1.96      deraadt   222:
                    223: <li id="nfs">
                    224: <strong>012: SECURITY FIX: July 30, 2001</strong>
1.69      deraadt   225: &nbsp; <i>All architectures</i><br>
1.96      deraadt   226: A kernel buffer overflow exists in the NFS mount code. An attacker may
                    227: use this overflow to execute arbitrary code in kernel mode. However,
                    228: only users with <a href="https://man.openbsd.org/OpenBSD-2.9/mount.2">mount(2)</a>
                    229: privileges can initiate this attack.  In default installs, only super-user has
                    230: 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.
1.2       millert   231: <br>
1.96      deraadt   232: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/012_nfs.patch">
1.66      deraadt   233: A source code patch exists which remedies this problem.</a>
1.2       millert   234: <p>
1.96      deraadt   235:
                    236: <li id="sendmail2">
                    237: <strong>013: SECURITY FIX: August 21, 2001</strong>
1.69      deraadt   238: &nbsp; <i>All architectures</i><br>
1.96      deraadt   239: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/sendmail.8">sendmail(8)</a>
                    240: that may allow an attacker on the local host to gain root privileges by
                    241: specifying out-of-bounds debug parameters.
1.1       deraadt   242: <br>
1.96      deraadt   243: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/013_sendmail.patch">
1.66      deraadt   244: A source code patch exists which remedies this problem.</a>
1.1       deraadt   245: <p>
1.96      deraadt   246:
1.73      bentley   247: <li id="lpd">
1.95      bentley   248: <strong>014: SECURITY FIX: August 29, 2001</strong>
1.69      deraadt   249: &nbsp; <i>All architectures</i><br>
1.90      tb        250: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/lpd.8">lpd(8)</a>
1.1       deraadt   251: that may allow an attacker with line printer access to gain root
                    252: privileges.  A machine must be running lpd to be vulnerable (OpenBSD
                    253: does not start lpd by default).  Only machines with line printer
                    254: access (ie: listed in either /etc/hosts.lpd or /etc/hosts.equiv)
                    255: may be used to mount an attack.
                    256: <br>
1.86      tb        257: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/014_lpd.patch">
1.66      deraadt   258: A source code patch exists which remedies this problem.</a>
1.1       deraadt   259: <p>
1.96      deraadt   260:
                    261: <li id="uucp">
                    262: <strong>015: SECURITY FIX: September 11, 2001</strong>
1.69      deraadt   263: &nbsp; <i>All architectures</i><br>
1.96      deraadt   264: A security hole exists in <a href="https://man.openbsd.org/OpenBSD-2.9/uuxqt.8">uuxqt(8)</a>
                    265: that may allow an attacker to run arbitrary commands as user uucp and
                    266: use this to gain root access.
                    267: The UUCP execution daemon, uuxqt(8), has a bug in its command line
                    268: parsing routine that may allow arbitrary commands to be run.  Because
                    269: some UUCP commands are run as root (and daemon) from cron it is possible
                    270: to leverage compromise of the UUCP user to gain root.
1.1       deraadt   271: <br>
1.96      deraadt   272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/015_uucp.patch">
1.66      deraadt   273: A source code patch exists which remedies this problem.</a>
1.1       deraadt   274: <p>
1.96      deraadt   275:
                    276: <li id="vi.recover">
                    277: <strong>016: SECURITY FIX: November 13, 2001</strong>
1.69      deraadt   278: &nbsp; <i>All architectures</i><br>
1.96      deraadt   279: A security issue exists in the vi.recover script that may allow an attacker
                    280: to remove arbitrary zero-length files, regardless of ownership.
1.1       deraadt   281: <br>
1.96      deraadt   282: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/016_recover.patch">
1.66      deraadt   283: A source code patch exists which remedies this problem.</a>
1.1       deraadt   284: <p>
1.96      deraadt   285:
                    286: <li id="lpd2">
                    287: <strong>017: SECURITY FIX: November 28, 2001</strong>
1.69      deraadt   288: &nbsp; <i>All architectures</i><br>
1.96      deraadt   289: A security issue exists in the lpd daemon that may allow an attacker
                    290: to create arbitrary new files in the root directory.  Only machines
                    291: with line printer access (ie: listed in either /etc/hosts.lpd or
                    292: /etc/hosts.equiv) may be used to mount an attack and the attacker
                    293: must have root access on the machine.  OpenBSD does not start lpd
                    294: in the default installation.
                    295: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/017_lpd.patch">
1.66      deraadt   296: A source code patch exists which remedies this problem.</a>
1.1       deraadt   297: <p>
1.96      deraadt   298:
                    299: <li id="missing">
                    300: <strong>018: INSTALL PROBLEM: Dec 11, 2001</strong><br>
                    301: The X binary sets shipped with OpenBSD 2.9 do not contain several files.  These
                    302: missing files can be added manually from the sparc tarballs after the
                    303: installation:<br>
                    304: Grab the
                    305: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xbase29.tgz">xbase29.tgz</a>
                    306: and
                    307: <a href="https://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xshare29.tgz">xshare29.tgz</a>
                    308: files found in the 2.9/sparc directory on the CD, or any FTP site.  The missing
                    309: files can be installed by using the following commands:
                    310: <pre>
                    311:    # cd /; tar xzpf xbase29.tgz ./usr/X11R6/lib/X11/{rgb.txt,xdm}
                    312:    # cd /; tar xzpf xserv29.tgz ./etc/X11/xserver ./usr/X11R6/lib/X11/xserver
                    313:    # cd /usr/X11R6/bin/; ln -fs Xmac68k X
                    314: </pre>
1.68      deraadt   315: <p>
1.96      deraadt   316:
                    317: <li id="sudo">
                    318: <strong>019: SECURITY FIX: January 17, 2002</strong>
                    319: &nbsp; <i>All architectures</i><br>
                    320: If the Postfix sendmail replacement is installed on a system an
                    321: attacker may be able to gain root privileges on the local host via
                    322: sudo(8) which runs the mailer as root with an environment inherited
                    323: from the invoking user.  While this is a bug in sudo it is not
                    324: believed to be possible to exploit when sendmail (the mailer that
                    325: ships with OpenBSD) is the mailer.  As of version 1.6.5, sudo passes
                    326: the mailer an environment that is not subject to influence from the
                    327: invoking user.<br>
                    328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/019_sudo.patch">
1.68      deraadt   329: A source code patch exists which remedies this problem.</a>
                    330: <p>
1.96      deraadt   331:
                    332: <li id="ptrace">
                    333: <strong>020: SECURITY FIX: February 20, 2002</strong>
1.69      deraadt   334: &nbsp; <i>All architectures</i><br>
1.96      deraadt   335: A race condition between the ptrace(2) and execve(2) system calls allows
                    336: an attacker to modify the memory contents of suid/sgid processes which
                    337: could lead to compromise of the super-user account.<br>
                    338: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/020_ptrace.patch">
1.66      deraadt   339: A source code patch exists which remedies this problem.</a>
1.1       deraadt   340: <p>
1.96      deraadt   341:
                    342: <li id="openssh">
                    343: <strong>021: SECURITY FIX: March 8, 2002</strong>
1.69      deraadt   344: &nbsp; <i>All architectures</i><br>
1.96      deraadt   345: A local user can gain super-user privileges due to an off-by-one check
                    346: in the channel forwarding code of OpenSSH.<br>
                    347: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/021_openssh.patch">
1.66      deraadt   348: A source code patch exists which remedies this problem.</a>
1.63      deraadt   349: <p>
1.96      deraadt   350:
                    351: <li id="zlib">
                    352: <strong>022: RELIABILITY FIX: March 13, 2002</strong>
1.69      deraadt   353: &nbsp; <i>All architectures</i><br>
1.96      deraadt   354: Under some circumstances the zlib compression library can free dynamically
                    355: allocated memory twice.  This is not a security issue on OpenBSD since the BSD
                    356: <a href="https://man.openbsd.org/OpenBSD-2.9/free.3">free(3)</a>
                    357: function detects this.
                    358: There is also a kernel zlib component that may be used by pppd and IPsec.
                    359: The feasibility of attacking the kernel this way is currently unknown.<br>
                    360: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/022_zlib.patch">
1.66      deraadt   361: A source code patch exists which remedies this problem.</a>
1.63      deraadt   362: <p>
1.96      deraadt   363:
                    364: <li id="mail">
                    365: <strong>023: SECURITY FIX: April 11, 2002</strong>
1.69      deraadt   366: &nbsp; <i>All architectures</i><br>
1.96      deraadt   367: <a href="https://man.openbsd.org/OpenBSD-2.9/mail.1">mail(1)</a>
                    368: will process tilde escapes even in non-interactive mode.
                    369: This can lead to a local root compromise.
1.1       deraadt   370: <br>
1.96      deraadt   371: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/023_mail.patch">
1.66      deraadt   372: A source code patch exists which remedies this problem.</a>
1.63      deraadt   373: <p>
1.96      deraadt   374:
                    375: <li id="sshafs">
                    376: <strong>024: SECURITY FIX: April 22, 2002</strong>
1.69      deraadt   377: &nbsp; <i>All architectures</i><br>
1.96      deraadt   378: A local user can gain super-user privileges due to a buffer overflow
                    379: in <a href="https://man.openbsd.org/OpenBSD-2.9/sshd.8">sshd(8)</a>
                    380: if AFS has been configured on the system or if
                    381: KerberosTgtPassing or AFSTokenPassing has been enabled
                    382: in the sshd_config file.  Ticket and token passing is not enabled
                    383: by default.<br>
                    384: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/024_sshafs.patch">
1.66      deraadt   385: A source code patch exists which remedies this problem.</a>
1.63      deraadt   386: <p>
1.96      deraadt   387:
                    388:
                    389: <li id="sudo2">
                    390: <strong>025: SECURITY FIX: April 25, 2002</strong>
1.69      deraadt   391: &nbsp; <i>All architectures</i><br>
1.96      deraadt   392: 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>
                    393: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/025_sudo.patch">
                    394: A source code patch exists which remedies this problem.</a>
1.63      deraadt   395: <p>
1.96      deraadt   396:
                    397: <li id="fdalloc2">
                    398: <strong>026: SECURITY FIX: May 8, 2002</strong>
1.69      deraadt   399: &nbsp; <i>All architectures</i><br>
1.96      deraadt   400: A race condition exists where an attacker could fill the file descriptor
                    401: table and defeat the kernel's protection of fd slots 0, 1, and 2 for a
                    402: setuid or setgid process.<br>
                    403: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/026_fdalloc2.patch">
1.66      deraadt   404: A source code patch exists which remedies this problem.</a>
1.1       deraadt   405: <p>
1.96      deraadt   406:
                    407: <li id="resolver">
                    408: <strong>027: SECURITY FIX: June 25, 2002</strong>
1.69      deraadt   409: &nbsp; <i>All architectures</i><br>
1.96      deraadt   410: A potential buffer overflow in the DNS resolver has been found.<br>
                    411: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/027_resolver.patch">
1.66      deraadt   412: A source code patch exists which remedies this problem.</a>
1.84      deraadt   413: <p>
                    414:
1.1       deraadt   415: </ul>
1.64      deraadt   416:
1.74      tedu      417: <hr>