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<title>OpenBSD 3.6 errata</title>
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This is the OpenBSD 3.6 release errata & patch list:
</font></h2>
<hr>
<a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
<a href=pkg-stable36.html>For important packages updates, please refer here.</a><br>
<br>
For errata on a certain release, click below:<br>
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<a href="errata37.html">3.7</a>,
<br>
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>,
<a href="errata42.html">4.2</a>,
<a href="errata43.html">4.3</a>,
<a href="errata44.html">4.4</a>,
<a href="errata45.html">4.5</a>,
<a href="errata46.html">4.6</a>,
<a href="errata47.html">4.7</a>,
<a href="errata48.html">4.8</a>,
<a href="errata49.html">4.9</a>,
<a href="errata50.html">5.0</a>,
<a href="errata51.html">5.1</a>,
<a href="errata52.html">5.2</a>,
<a href="errata53.html">5.3</a>,
<a href="errata54.html">5.4</a>,
<a href="errata55.html">5.5</a>.
<br>
<hr>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6.tar.gz">
You can also fetch a tar.gz file containing all the following patches</a>.
This file is updated once a day.
<p> The patches below are available in CVS via the
<code>OPENBSD_3_6</code> <a href="stable.html">patch branch</a>.
<p>
For more detailed information on how to install patches to OpenBSD, please
consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
<hr>
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<ul>
<li><a name="libz2"></a>
<font color="#009000"><strong>020: SECURITY FIX: July 21, 2005</strong></font> <i>All architectures</i><br>
A buffer overflow has been found in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=compress&sektion=3">compress(3)</a>
which may be exploitable.<br>
Please note that this fixes a different buffer overflow than the <a href="#libz">previous</a> zlib patch.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/020_libz.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="libz"></a>
<font color="#009000"><strong>019: SECURITY FIX: July 6, 2005</strong></font> <i>All architectures</i><br>
A buffer overflow has been found in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=compress&sektion=3">compress(3)</a>
which may be exploitable.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/019_libz.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="sudo"></a>
<font color="#009000"><strong>018: SECURITY FIX: June 20, 2005</strong></font> <i>All architectures</i><br>
Due to a race condition in its command pathname handling, a user with
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sudo&sektion=8">sudo(8)</a>
privileges may be able to run arbitrary commands if the user's entry
is followed by an entry that grants <tt>sudo ALL</tt> privileges to
another user.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/018_sudo.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="getsockopt"></a>
<font color="#009000"><strong>017: RELIABILITY FIX: June 15, 2005</strong></font> <i>All architectures</i><br>
As discovered by Stefan Miltchev calling
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getsockopt&sektion=2">getsockopt(2)</a>
to get
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ipsec&sektion=4">ipsec(4)</a>
credentials for a socket can result in a kernel panic.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/017_getsockopt.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="cvs"></a>
<font color="#009000"><strong>016: SECURITY FIX: April 28, 2005</strong></font> <i>All architectures</i><br>
Fix a buffer overflow, memory leaks, and NULL pointer dereference in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cvs&sektion=1">cvs(1)</a>
. None of these issues are known to be exploitable.
<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0753">CAN-2005-0753</a>
.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/016_cvs.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="tcp"></a>
<font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2005</strong></font> <i>All architectures</i><br>
Handle an edge condition in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcp&sektion=4">tcp(4)</a>
timestamps.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/015_tcp.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="telnet"></a>
<font color="#009000"><strong>014: SECURITY FIX: March 30, 2005</strong></font> <i>All architectures</i><br>
Due to buffer overflows in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=telnet&sektion=1">telnet(1)</a>,
a malicious server or man-in-the-middle attack could allow execution of
arbitrary code with the privileges of the user invoking
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=telnet&sektion=1">telnet(1)</a>.
Noone should use telnet anymore. Please use
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/014_telnet.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="sack"></a>
<font color="#009000"><strong>013: RELIABILITY FIX: March 30, 2005</strong></font> <i>All architectures</i><br>
Bugs in the
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcp&sektion=4">tcp(4)</a>
stack can lead to memory exhaustion or processing of TCP segments with
invalid SACK options and cause a system crash.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/013_sack.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="copy"></a>
<font color="#009000"><strong>012: SECURITY FIX: March 16, 2005</strong></font> <strong>amd64 only</strong><br>
More stringent checking should be done in the
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=copy&sektion=9">copy(9)</a>
functions to prevent their misuse.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/amd64/012_copy.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="locore"></a>
<font color="#009000"><strong>011: SECURITY FIX: February 28, 2005</strong></font> <strong>i386 only</strong><br>
More stringent checking should be done in the
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=copy&sektion=9">copy(9)</a>
functions to prevent their misuse.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/i386/011_locore.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="rtt"></a>
<font color="#009000"><strong>010: RELIABILITY FIX: January 11, 2005</strong></font> <i>All architectures</i><br>
A bug in the
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=tcp&sektion=4">tcp(4)</a>
stack allows an invalid argument to be used in calculating the TCP
retransmit timeout. By sending packets with specific values in the TCP
timestamp option, an attacker can cause a system panic.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/010_rtt.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="httpd"></a>
<font color="#009000"><strong>009: SECURITY FIX: January 12, 2005</strong></font> <i>All architectures</i><br>
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&apropos=0&sektion=8&manpath=OpenBSD+Current&arch=i386&format=html">httpd(8)</a>
's mod_include module fails to properly validate the length of
user supplied tag strings prior to copying them to a local buffer,
causing a buffer overflow.
<br>
This would require enabling the XBitHack directive or server-side
includes and making use of a malicious document.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/009_httpd.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="getcwd"></a>
<font color="#009000"><strong>008: RELIABILITY FIX: January 6, 2005</strong></font> <i>All architectures</i><br>
The
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=getcwd&sektion=3">getcwd(3)</a>
library function contains a memory management error, which causes failure
to retrieve the current working directory if the path is very long.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/008_getcwd.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="pfkey"></a>
<font color="#009000"><strong>007: SECURITY FIX: December 14, 2004</strong></font> <i>All architectures</i><br>
On systems running
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8">isakmpd(8)</a>
it is possible for a local user to cause kernel memory corruption
and system panic by setting
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ipsec&sektion=4&manpath=OpenBSD+Current&&format=html">ipsec(4)</a>
credentials on a socket.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/007_pfkey.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="xl"></a>
<font color="#009000"><strong>006: RELIABILITY FIX: November 21, 2004</strong></font> <i>All architectures</i><br>
Fix for transmit side breakage on macppc and mbuf leaks with
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=xl&sektion=4">xl(4)</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/006_xl.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="isakmpd"></a>
<font color="#009000"><strong>005: RELIABILITY FIX: November 21, 2004</strong></font> <i>All architectures</i><br>
Wrong calculation of NAT-D payloads may cause interoperability problems between
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8">isakmpd(8)</a>
and other ISAKMP/IKE implementations.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/005_isakmpd.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="lynx"></a>
<font color="#009000"><strong>004: RELIABILITY FIX: November 10, 2004</strong></font> <i>All architectures</i><br>
Due to a bug in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lynx&sektion=1">lynx(1)</a>
it is possible for pages such as
<a href="http://lcamtuf.coredump.cx/mangleme/gallery/lynx_die1.html">this</a>
to cause
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lynx&sektion=1">lynx(1)</a>
to exhaust memory and then crash when parsing such pages.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/004_lynx.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="pppd"></a>
<font color="#009000"><strong>003: RELIABILITY FIX: November 10, 2004</strong></font> <i>All architectures</i><br>
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pppd&sektion=8">pppd(8)</a>
contains a bug that allows an attacker to crash his own connection, but it cannot
be used to deny service to other users.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/003_pppd.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="bind"></a>
<font color="#009000"><strong>002: RELIABILITY FIX: November 10, 2004</strong></font> <i>All architectures</i><br>
BIND contains a bug which results in BIND trying to contact nameservers via IPv6, even in
cases where IPv6 connectivity is non-existent. This results in unnecessary timeouts and
thus slow DNS queries.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/002_bind.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="st"></a>
<font color="#009000"><strong>001: RELIABILITY FIX: November 10, 2004</strong></font> <i>All architectures</i><br>
Fix detection of tape blocksize during device open. Corrects problem with
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=restore&sektion=8">restore(8)</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/001_st.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
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