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version 1.34, 2003/10/24 22:12:40

version 1.35, 2003/11/21 16:55:16

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consult the <a href="./faq/faq10.html#10.14">OpenBSD FAQ</a>.

<hr>

<dl>

<h3>All architectures</h3>

<li><h3>All architectures</h3>

<ul>

<li>027: SECURITY FIX: June 25, 2002

027: SECURITY FIX: June 25, 2002

A potential buffer overflow in the DNS resolver has been found.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/027_resolver.patch">A source code patch exists which remedies the problem</a>.

<li>026: SECURITY FIX: May 8, 2002

026: SECURITY FIX: May 8, 2002

A race condition exists where an attacker could fill the file descriptor

table and defeat the kernel's protection of fd slots 0, 1, and 2 for a

setuid or setgid process.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/026_fdalloc2.patch">A source code patch exists which remedies the problem</a>.

<li>025: SECURITY FIX: April 25, 2002

025: SECURITY FIX: April 25, 2002

A bug in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sudo&sektion=8">sudo(8)</a> may allow an attacker to corrupt the heap by specifying a custom prompt.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/025_sudo.patch">A source code patch exists which remedies the problem</a>.

<li>024: SECURITY FIX: April 22, 2002

024: SECURITY FIX: April 22, 2002

A local user can gain super-user privileges due to a buffer overflow

in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>

if AFS has been configured on the system or if

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by default.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/024_sshafs.patch">A source code patch exists which remedies the problem</a>.

<li>023: SECURITY FIX: April 11, 2002

023: SECURITY FIX: April 11, 2002

will process tilde escapes even in non-interactive mode.

This can lead to a local root compromise.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/023_mail.patch">A source code patch exists which remedies the problem</a>.

<li>022: RELIABILITY FIX: March 13, 2002

022: RELIABILITY FIX: March 13, 2002

Under some circumstances the zlib compression library can free dynamically

allocated memory twice. This is not a security issue on OpenBSD since the BSD

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The feasibility of attacking the kernel this way is currently unknown.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/022_zlib.patch">A source code patch exists which remedies the problem</a>.

<li>021: SECURITY FIX: March 8, 2002

021: SECURITY FIX: March 8, 2002

A local user can gain super-user privileges due to an off-by-one check

in the channel forwarding code of OpenSSH.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/021_openssh.patch"

>A source code patch exists which remedies the problem</a>.

<li>020: SECURITY FIX: February 20, 2002

020: SECURITY FIX: February 20, 2002

A race condition between the ptrace(2) and execve(2) system calls allows

an attacker to modify the memory contents of suid/sgid processes which

could lead to compromise of the super-user account.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/020_ptrace.patch">A source code patch exists which remedies the problem</a>.

<li>019: SECURITY FIX: January 17, 2002

019: SECURITY FIX: January 17, 2002

If the Postfix sendmail replacement is installed on a system an

attacker may be able to gain root privileges on the local host via

sudo(8) which runs the mailer as root with an environment inherited

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/019_sudo.patch">A

source code patch exists which remedies the problem</a>.

<li>017: SECURITY FIX: November 28, 2001

017: SECURITY FIX: November 28, 2001

A security issue exists in the lpd daemon that may allow an attacker

to create arbitrary new files in the root directory. Only machines

with line printer access (ie: listed in either /etc/hosts.lpd or

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in the default installation.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/017_lpd.patch">A source code patch exists which remedies the problem</a>.

<li>016: SECURITY FIX: November 13, 2001

016: SECURITY FIX: November 13, 2001

A security issue exists in the vi.recover script that may allow an attacker

to remove arbitrary zero-length files, regardless of ownership.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/016_recover.patch">A source code patch exists which remedies the problem</a>.

<li>015: SECURITY FIX: September 11, 2001

015: SECURITY FIX: September 11, 2001

A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=uuxqt&sektion=8">uuxqt(8)</a>

that may allow an attacker to run arbitrary commands as user uucp and

use this to gain root access.

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/015_uucp.patch">A source code patch exists which remedies the problem</a>.

<li>014: SECURITY FIX: August 29, 2001

014: SECURITY FIX: August 29, 2001

A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lpd&sektion=8">lpd(8)</a>

that may allow an attacker with line printer access to gain root

privileges. A machine must be running lpd to be vulnerable (OpenBSD

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/014_lpd.patch">A source code patch exists which remedies the problem</a>.

<li>013: SECURITY FIX: August 21, 2001

013: SECURITY FIX: August 21, 2001

A security hole exists in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sendmail&sektion=8">sendmail(8)</a>

that may allow an attacker on the local host to gain root privileges by

specifying out-of-bounds debug parameters.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/013_sendmail.patch">A source code patch exists which remedies the problem</a>.

<li>012: SECURITY FIX: July 30, 2001

012: SECURITY FIX: July 30, 2001

A kernel buffer overflow exists in the NFS mount code. An attacker may

use this overflow to execute arbitrary code in kernel mode. However,

only users with <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mount&sektion=2">mount(2)</a>

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/012_nfs.patch">A source code patch exists which remedies the problem</a>.

<li>011: RELIABILITY FIX: July 15, 2001

011: RELIABILITY FIX: July 15, 2001

The

<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=packages&sektion=7&format=html">packages(7)</a>

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by forcing <code>/usr/sbin/pkg</code> to be more careful in checking

version numbers.

<li>008: RELIABILITY FIX: June 15, 2001

008: RELIABILITY FIX: June 15, 2001

mishandles the DMA mapping resulting in a kernel panic on unaligned data

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/008_twe.patch">A source code patch exists which remedies the problem</a>.

This is the second version of the patch.

<li>007: SECURITY FIX: June 15, 2001

007: SECURITY FIX: June 15, 2001

A race condition exists in the kernel <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=execve&sektion=2&format=html">execve(2)</a> implementation that opens a small window of vulnerability for a non-privileged user to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ptrace&sektion=2&format=html">ptrace(2)</a> attach to a suid/sgid process.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/007_kernexec.patch">A source code patch exists which remedies the problem</a>.

<li>006: SECURITY FIX: June 12, 2001

006: SECURITY FIX: June 12, 2001

allows users to delete arbitrary files named "cookies" if X11

forwarding is enabled. X11 forwarding is disabled by default.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/006_sshcookie.patch">A source code patch exists which remedies the problem</a>.

<li>005: RELIABILITY FIX: June 7, 2001

005: RELIABILITY FIX: June 7, 2001

corrupts /etc/pwd.db when modifying an existing user.

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/005_pwd_mkdb.patch">A source code patch exists which remedies the problem</a>.

<li>004: RELIABILITY FIX: June 5, 2001

004: RELIABILITY FIX: June 5, 2001

<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8&format=html">isakmpd(8)</a>

will fail to use a certificate with an identity string that is

exactly N * 8 bytes long.

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3.3.6 Xservers have also been included, because 4.0.3 still has weak support for

some devices which 3.3.6 supported better.

<li>002: SECURITY FIX: May 30, 2001

002: SECURITY FIX: May 30, 2001

Programs using the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fts&sektion=3&format=html">fts(3)</a>

routines (such as rm, find, and most programs that take a -R

flag) can be tricked into changing into the wrong directory if the

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/002_fts.patch">A source code patch exists which remedies the problem</a>.

This is the second version of the patch.

<li>001: SECURITY FIX: May 29, 2001

001: SECURITY FIX: May 29, 2001

The signal handlers in <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sendmail&sektion=8&format=html">sendmail(8)</a> contain code that is unsafe in the

context of a signal handler. This leads to potentially serious

race conditions. At the moment this is a theoretical attack only

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/common/001_sendmail.patch">A source code patch exists</a> which remedies the problem by updating sendmail to version 8.11.4.

</ul>

<ul>

<li>010: RELIABILITY FIX: Jul 9,

010: RELIABILITY FIX: Jul 9,

2001

2001

The nVidia driver for XFree86 4.0.3 is incorrectly restoring the text

mode palette upon exit of the X server. <a

href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.9/i386/010_nvidia.patch">

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</a>. Just grab it, copy it to /usr/X11R6/lib/modules/drivers/ and

restart your X server.

<li>009: RELIABILITY FIX: Jun 23,

009: RELIABILITY FIX: Jun 23,

2001

The XF86Setup(1) configuration tool for XFree86 3.3.6 is producing

corrupted /etc/XF86Config files.

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keyboard controller doesn't acknowledge commands, confusing OpenBSD.

</ul>

<li><h3>alpha</h3>

<h3>alpha</h3>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>018: INSTALL PROBLEM: Dec 11, 2001

The X binary sets shipped with OpenBSD 2.9 do not contain several files. These

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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/2.9/sparc/xshare29.tgz">xshare29.tgz</a>

files found in the 2.9/sparc directory on the CD, or any FTP site. The missing

files can be installed by using the following commands:

<pre>

# cd /; tar xzpf xbase29.tgz ./usr/X11R6/lib/X11/{rgb.txt,xdm}

# cd /; tar xzpf xserv29.tgz ./etc/X11/xserver ./usr/X11R6/lib/X11/xserver

# cd /usr/X11R6/bin/; ln -fs Xmac68k X

</pre></tt>

</pre>

</ul>

<li><h3>sparc</h3>

<h3>sparc</h3>

<ul>

<li>No problems identified yet.

</ul>

<li><h3>amiga</h3>

<h3>amiga</h3>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>No problems identified yet.

</ul>

<li><h3>powerpc</h3>

<h3>powerpc</h3>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>No problems identified yet.

</ul>

<ul>

<li>No problems identified yet.

</ul>

</dl>

<hr>