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1.1       deraadt     2: <html>
                      3: <head>
1.49      tj          4: <title>OpenBSD 3.6 Errata</title>
1.1       deraadt     5: <meta name="description" content="the OpenBSD CD errata page">
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1.51      tb          9: <link rel="canonical" href="https://www.openbsd.org/errata36.html">
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                     11:
1.37      deraadt    12: <!--
                     13:                        IMPORTANT REMINDER
                     14:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
                     15: -->
                     16:
1.1       deraadt    17: <body bgcolor="#ffffff" text="#000000" link="#23238E">
                     18:
1.47      deraadt    19: <h2>
                     20: <a href="index.html">
                     21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.49      tj         22: <font color="#e00000">3.6 Errata</font>
                     23: </h2>
1.47      deraadt    24: <hr>
1.1       deraadt    25:
                     26: For errata on a certain release, click below:<br>
                     27: <a href="errata21.html">2.1</a>,
                     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="errata29.html">2.9</a>,
                     36: <a href="errata30.html">3.0</a>,
                     37: <a href="errata31.html">3.1</a>,
                     38: <a href="errata32.html">3.2</a>,
                     39: <a href="errata33.html">3.3</a>,
                     40: <a href="errata34.html">3.4</a>,
                     41: <a href="errata35.html">3.5</a>,
1.9       deraadt    42: <a href="errata37.html">3.7</a>,
1.17      deraadt    43: <br>
1.10      deraadt    44: <a href="errata38.html">3.8</a>,
1.12      deraadt    45: <a href="errata39.html">3.9</a>,
1.13      deraadt    46: <a href="errata40.html">4.0</a>,
1.15      merdely    47: <a href="errata41.html">4.1</a>,
1.16      deraadt    48: <a href="errata42.html">4.2</a>,
1.17      deraadt    49: <a href="errata43.html">4.3</a>,
1.19      deraadt    50: <a href="errata44.html">4.4</a>,
1.20      deraadt    51: <a href="errata45.html">4.5</a>,
1.21      deraadt    52: <a href="errata46.html">4.6</a>,
1.23      deraadt    53: <a href="errata47.html">4.7</a>,
1.24      miod       54: <a href="errata48.html">4.8</a>,
1.25      nick       55: <a href="errata49.html">4.9</a>,
1.26      sthen      56: <a href="errata50.html">5.0</a>,
1.27      deraadt    57: <a href="errata51.html">5.1</a>,
1.28      deraadt    58: <a href="errata52.html">5.2</a>,
1.29      deraadt    59: <a href="errata53.html">5.3</a>,
1.33      deraadt    60: <br>
1.31      deraadt    61: <a href="errata54.html">5.4</a>,
1.36      jsg        62: <a href="errata55.html">5.5</a>,
1.40      deraadt    63: <a href="errata56.html">5.6</a>,
1.43      deraadt    64: <a href="errata57.html">5.7</a>,
1.44      deraadt    65: <a href="errata58.html">5.8</a>,
1.50      deraadt    66: <a href="errata59.html">5.9</a>,
1.53      tj         67: <a href="errata60.html">6.0</a>,
                     68: <a href="errata61.html">6.1</a>.
1.1       deraadt    69: <hr>
                     70:
1.34      deraadt    71: <p>
1.53      tj         72: Patches for the OpenBSD base system are distributed as unified diffs.
                     73: Each patch contains usage instructions.
                     74: All the following patches are also available in one
                     75: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6.tar.gz">tar.gz file</a>
                     76: for convenience.
1.1       deraadt    77:
1.34      deraadt    78: <p>
1.53      tj         79: Patches for supported releases are also incorporated into the
1.54      tj         80: <a href="stable.html">-stable branch</a>.
1.34      deraadt    81:
1.1       deraadt    82: <hr>
                     83:
                     84: <ul>
                     85:
1.38      bentley    86: <li id="libz2">
1.35      deraadt    87: <font color="#009000"><strong>020: SECURITY FIX: July 21, 2005</strong></font>
                     88: &nbsp; <i>All architectures</i><br>
1.6       millert    89: A buffer overflow has been found in
1.56    ! tb         90: <a href="https://man.openbsd.org/OpenBSD-3.6/compress.3">compress(3)</a>
1.6       millert    91: which may be exploitable.<br>
                     92: Please note that this fixes a different buffer overflow than the <a href="#libz">previous</a> zlib patch.
                     93: <br>
1.52      tb         94: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/020_libz.patch">
1.34      deraadt    95: A source code patch exists which remedies this problem.</a>
1.6       millert    96: <p>
                     97:
1.38      bentley    98: <li id="libz">
1.35      deraadt    99: <font color="#009000"><strong>019: SECURITY FIX: July 6, 2005</strong></font>
                    100: &nbsp; <i>All architectures</i><br>
1.5       millert   101: A buffer overflow has been found in
1.56    ! tb        102: <a href="https://man.openbsd.org/OpenBSD-3.6/compress.3">compress(3)</a>
1.5       millert   103: which may be exploitable.
                    104: <br>
1.52      tb        105: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/019_libz.patch">
1.34      deraadt   106: A source code patch exists which remedies this problem.</a>
1.5       millert   107: <p>
                    108:
1.38      bentley   109: <li id="sudo">
1.35      deraadt   110: <font color="#009000"><strong>018: SECURITY FIX: June 20, 2005</strong></font>
                    111: &nbsp; <i>All architectures</i><br>
1.4       millert   112: Due to a race condition in its command pathname handling, a user with
1.56    ! tb        113: <a href="https://man.openbsd.org/OpenBSD-3.6/sudo.8">sudo(8)</a>
1.4       millert   114: privileges may be able to run arbitrary commands if the user's entry
                    115: is followed by an entry that grants <tt>sudo ALL</tt> privileges to
                    116: another user.
                    117: <br>
1.52      tb        118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/018_sudo.patch">
1.34      deraadt   119: A source code patch exists which remedies this problem.</a>
1.4       millert   120: <p>
                    121:
1.38      bentley   122: <li id="getsockopt">
1.35      deraadt   123: <font color="#009000"><strong>017: RELIABILITY FIX: June 15, 2005</strong></font>
                    124: &nbsp; <i>All architectures</i><br>
1.3       brad      125: As discovered by Stefan Miltchev calling
1.56    ! tb        126: <a href="https://man.openbsd.org/OpenBSD-3.6/getsockopt.2">getsockopt(2)</a>
1.3       brad      127: to get
1.56    ! tb        128: <a href="https://man.openbsd.org/OpenBSD-3.6/ipsec.4">ipsec(4)</a>
1.3       brad      129: credentials for a socket can result in a kernel panic.
                    130: <br>
1.52      tb        131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/017_getsockopt.patch">
1.34      deraadt   132: A source code patch exists which remedies this problem.</a>
1.3       brad      133: <p>
                    134:
1.38      bentley   135: <li id="cvs">
1.35      deraadt   136: <font color="#009000"><strong>016: SECURITY FIX: April 28, 2005</strong></font>
                    137: &nbsp; <i>All architectures</i><br>
1.1       deraadt   138: Fix a buffer overflow, memory leaks, and NULL pointer dereference in
1.56    ! tb        139: <a href="https://man.openbsd.org/OpenBSD-3.6/cvs.1">cvs(1)</a>
1.1       deraadt   140: . None of these issues are known to be exploitable.
                    141: <a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0753">CAN-2005-0753</a>
                    142: .
                    143: <br>
1.52      tb        144: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/016_cvs.patch">
1.34      deraadt   145: A source code patch exists which remedies this problem.</a>
1.1       deraadt   146: <p>
                    147:
1.38      bentley   148: <li id="tcp">
1.35      deraadt   149: <font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2005</strong></font>
                    150: &nbsp; <i>All architectures</i><br>
1.1       deraadt   151: Handle an edge condition in
1.56    ! tb        152: <a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
1.1       deraadt   153: timestamps.
                    154: <br>
1.52      tb        155: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/015_tcp.patch">
1.34      deraadt   156: A source code patch exists which remedies this problem.</a>
1.1       deraadt   157: <p>
                    158:
1.38      bentley   159: <li id="telnet">
1.35      deraadt   160: <font color="#009000"><strong>014: SECURITY FIX: March 30, 2005</strong></font>
                    161: &nbsp; <i>All architectures</i><br>
1.1       deraadt   162: Due to buffer overflows in
1.56    ! tb        163: <a href="https://man.openbsd.org/OpenBSD-3.6/telnet.1">telnet(1)</a>,
1.1       deraadt   164: a malicious server or man-in-the-middle attack could allow execution of
                    165: arbitrary code with the privileges of the user invoking
1.56    ! tb        166: <a href="https://man.openbsd.org/OpenBSD-3.6/telnet.1">telnet(1)</a>.
1.31      deraadt   167: Noone should use telnet anymore.  Please use
1.56    ! tb        168: <a href="https://man.openbsd.org/OpenBSD-3.6/ssh.1">ssh(1)</a>.
1.1       deraadt   169: <br>
1.52      tb        170: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/014_telnet.patch">
1.34      deraadt   171: A source code patch exists which remedies this problem.</a>
1.1       deraadt   172: <p>
                    173:
1.38      bentley   174: <li id="sack">
1.35      deraadt   175: <font color="#009000"><strong>013: RELIABILITY FIX: March 30, 2005</strong></font>
                    176: &nbsp; <i>All architectures</i><br>
1.1       deraadt   177: Bugs in the
1.56    ! tb        178: <a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
1.1       deraadt   179: stack can lead to memory exhaustion or processing of TCP segments with
                    180: invalid SACK options and cause a system crash.
                    181: <br>
1.52      tb        182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/013_sack.patch">
1.34      deraadt   183: A source code patch exists which remedies this problem.</a>
1.1       deraadt   184: <p>
                    185:
1.38      bentley   186: <li id="copy">
1.35      deraadt   187: <font color="#009000"><strong>012: SECURITY FIX: March 16, 2005</strong></font>
                    188: &nbsp; <strong>amd64 only</strong><br>
1.1       deraadt   189: More stringent checking should be done in the
1.56    ! tb        190: <a href="https://man.openbsd.org/OpenBSD-3.6/copy.9">copy(9)</a>
1.1       deraadt   191: functions to prevent their misuse.
                    192: <br>
1.52      tb        193: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/amd64/012_copy.patch">
1.34      deraadt   194: A source code patch exists which remedies this problem.</a>
1.1       deraadt   195: <p>
                    196:
1.38      bentley   197: <li id="locore">
1.35      deraadt   198: <font color="#009000"><strong>011: SECURITY FIX: February 28, 2005</strong></font>
                    199: &nbsp; <strong>i386 only</strong><br>
1.1       deraadt   200: More stringent checking should be done in the
1.56    ! tb        201: <a href="https://man.openbsd.org/OpenBSD-3.6/copy.9">copy(9)</a>
1.1       deraadt   202: functions to prevent their misuse.
                    203: <br>
1.52      tb        204: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/i386/011_locore.patch">
1.34      deraadt   205: A source code patch exists which remedies this problem.</a>
1.1       deraadt   206: <p>
                    207:
1.38      bentley   208: <li id="rtt">
1.35      deraadt   209: <font color="#009000"><strong>010: RELIABILITY FIX: January 11, 2005</strong></font>
                    210: &nbsp; <i>All architectures</i><br>
1.1       deraadt   211: A bug in the
1.56    ! tb        212: <a href="https://man.openbsd.org/OpenBSD-3.6/tcp.4">tcp(4)</a>
1.1       deraadt   213: stack allows an invalid argument to be used in calculating the TCP
                    214: retransmit timeout. By sending packets with specific values in the TCP
                    215: timestamp option, an attacker can cause a system panic.
                    216: <br>
1.52      tb        217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/010_rtt.patch">
1.34      deraadt   218: A source code patch exists which remedies this problem.</a>
1.1       deraadt   219: <p>
                    220:
1.38      bentley   221: <li id="httpd">
1.35      deraadt   222: <font color="#009000"><strong>009: SECURITY FIX: January 12, 2005</strong></font>
                    223: &nbsp; <i>All architectures</i><br>
1.56    ! tb        224: <a href="https://man.openbsd.org/OpenBSD-3.6/httpd.8">httpd(8)</a>
1.1       deraadt   225: 's mod_include module fails to properly validate the length of
                    226: user supplied tag strings prior to copying them to a local buffer,
                    227: causing a buffer overflow.
                    228: <br>
                    229: This would require enabling the XBitHack directive or server-side
                    230: includes and making use of a malicious document.
                    231: <br>
1.52      tb        232: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/009_httpd.patch">
1.34      deraadt   233: A source code patch exists which remedies this problem.</a>
1.1       deraadt   234: <p>
                    235:
1.38      bentley   236: <li id="getcwd">
1.35      deraadt   237: <font color="#009000"><strong>008: RELIABILITY FIX: January 6, 2005</strong></font>
                    238: &nbsp; <i>All architectures</i><br>
1.1       deraadt   239: The
1.56    ! tb        240: <a href="https://man.openbsd.org/OpenBSD-3.6/getcwd.3">getcwd(3)</a>
1.1       deraadt   241: library function contains a memory management error, which causes failure
                    242: to retrieve the current working directory if the path is very long.
                    243: <br>
1.52      tb        244: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/008_getcwd.patch">
1.34      deraadt   245: A source code patch exists which remedies this problem.</a>
1.1       deraadt   246: <p>
                    247:
1.38      bentley   248: <li id="pfkey">
1.35      deraadt   249: <font color="#009000"><strong>007: SECURITY FIX: December 14, 2004</strong></font>
                    250: &nbsp; <i>All architectures</i><br>
1.1       deraadt   251: On systems running
1.56    ! tb        252: <a href="https://man.openbsd.org/OpenBSD-3.6/isakmpd.8">isakmpd(8)</a>
1.1       deraadt   253: it is possible for a local user to cause kernel memory corruption
                    254: and system panic by setting
1.56    ! tb        255: <a href="https://man.openbsd.org/OpenBSD-3.6/ipsec.4">ipsec(4)</a>
1.1       deraadt   256: credentials on a socket.
                    257: <br>
1.52      tb        258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/007_pfkey.patch">
1.34      deraadt   259: A source code patch exists which remedies this problem.</a>
1.1       deraadt   260: <p>
                    261:
1.38      bentley   262: <li id="xl">
1.35      deraadt   263: <font color="#009000"><strong>006: RELIABILITY FIX: November 21, 2004</strong></font>
                    264: &nbsp; <i>All architectures</i><br>
1.1       deraadt   265: Fix for transmit side breakage on macppc and mbuf leaks with
1.56    ! tb        266: <a href="https://man.openbsd.org/OpenBSD-3.6/xl.4">xl(4)</a>.
1.1       deraadt   267: <br>
1.52      tb        268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/006_xl.patch">
1.34      deraadt   269: A source code patch exists which remedies this problem.</a>
1.1       deraadt   270: <p>
                    271:
1.38      bentley   272: <li id="isakmpd">
1.35      deraadt   273: <font color="#009000"><strong>005: RELIABILITY FIX: November 21, 2004</strong></font>
                    274: &nbsp; <i>All architectures</i><br>
1.1       deraadt   275: Wrong calculation of NAT-D payloads may cause interoperability problems between
1.56    ! tb        276: <a href="https://man.openbsd.org/OpenBSD-3.6/isakmpd.8">isakmpd(8)</a>
1.1       deraadt   277: and other ISAKMP/IKE implementations.
                    278: <br>
1.52      tb        279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/005_isakmpd.patch">
1.34      deraadt   280: A source code patch exists which remedies this problem.</a>
1.1       deraadt   281:
                    282: <p>
1.38      bentley   283: <li id="lynx">
1.35      deraadt   284: <font color="#009000"><strong>004: RELIABILITY FIX: November 10, 2004</strong></font>
                    285: &nbsp; <i>All architectures</i><br>
1.1       deraadt   286: Due to a bug in
1.56    ! tb        287: <a href="https://man.openbsd.org/OpenBSD-3.6/lynx.1">lynx(1)</a>
1.1       deraadt   288: it is possible for pages such as
                    289: <a href="http://lcamtuf.coredump.cx/mangleme/gallery/lynx_die1.html">this</a>
                    290: to cause
1.56    ! tb        291: <a href="https://man.openbsd.org/OpenBSD-3.6/lynx.1">lynx(1)</a>
1.1       deraadt   292: to exhaust memory and then crash when parsing such pages.
                    293: <br>
1.52      tb        294: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/004_lynx.patch">
1.34      deraadt   295: A source code patch exists which remedies this problem.</a>
1.1       deraadt   296: <p>
                    297:
1.38      bentley   298: <li id="pppd">
1.35      deraadt   299: <font color="#009000"><strong>003: RELIABILITY FIX: November 10, 2004</strong></font>
                    300: &nbsp; <i>All architectures</i><br>
1.56    ! tb        301: <a href="https://man.openbsd.org/OpenBSD-3.6/pppd.8">pppd(8)</a>
1.1       deraadt   302: contains a bug that allows an attacker to crash his own connection, but it cannot
                    303: be used to deny service to other users.
                    304: <br>
1.52      tb        305: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/003_pppd.patch">
1.34      deraadt   306: A source code patch exists which remedies this problem.</a>
1.1       deraadt   307: <p>
                    308:
1.38      bentley   309: <li id="bind">
1.35      deraadt   310: <font color="#009000"><strong>002: RELIABILITY FIX: November 10, 2004</strong></font>
                    311: &nbsp; <i>All architectures</i><br>
1.1       deraadt   312: BIND contains a bug which results in BIND trying to contact nameservers via IPv6, even in
1.8       jmc       313: cases where IPv6 connectivity is non-existent. This results in unnecessary timeouts and
1.1       deraadt   314: thus slow DNS queries.
                    315: <br>
1.52      tb        316: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/002_bind.patch">
1.34      deraadt   317: A source code patch exists which remedies this problem.</a>
1.1       deraadt   318: <p>
                    319:
1.38      bentley   320: <li id="st">
1.35      deraadt   321: <font color="#009000"><strong>001: RELIABILITY FIX: November 10, 2004</strong></font>
                    322: &nbsp; <i>All architectures</i><br>
1.1       deraadt   323: Fix detection of tape blocksize during device open. Corrects problem with
1.56    ! tb        324: <a href="https://man.openbsd.org/OpenBSD-3.6/restore.8">restore(8)</a>.
1.1       deraadt   325: <br>
1.52      tb        326: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/001_st.patch">
1.34      deraadt   327: A source code patch exists which remedies this problem.</a>
1.1       deraadt   328: <p>
1.32      deraadt   329:
1.1       deraadt   330: </ul>
                    331:
1.39      tedu      332: <hr>
                    333:
1.1       deraadt   334: </body>
                    335: </html>