version 1.2, 2006/03/08 19:53:56 |
version 1.3, 2006/10/30 20:59:45 |
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<a href="errata36.html">3.6</a>, |
<a href="errata36.html">3.6</a>, |
<a href="errata37.html">3.7</a>, |
<a href="errata37.html">3.7</a>, |
<a href="errata38.html">3.8</a>, |
<a href="errata38.html">3.8</a>, |
<a href="errata.html">current</a>. |
<a href="errata.html">4.0</a>. |
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This file is updated once a day. |
This file is updated once a day. |
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<p> The patches below are available in CVS via the |
<p> The patches below are available in CVS via the |
<code>OPENBSD_3_8</code> <a href="stable.html">patch branch</a>. |
<code>OPENBSD_3_9</code> <a href="stable.html">patch branch</a>. |
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For more detailed information on how to install patches to OpenBSD, please |
For more detailed information on how to install patches to OpenBSD, please |
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<ul> |
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<li><a name="ssh"></a> |
<li><a name="ssh"></a> |
<font color="#009000"><strong>005: SECURITY FIX: February 12, 2006</strong></font> <i>All architectures</i><br> |
<font color="#009000"><strong>015: SECURITY FIX: October 12, 2006</strong></font> <i>All architectures</i><br> |
Josh Bressers has reported a weakness in OpenSSH caused due to the insecure use of the |
Fix 2 security bugs found in OpenSSH. A pre-authentication denial of service (found |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=system&sektion=3">system(3)</a> |
by Tavis Ormandy) that would cause |
function in |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a> |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=scp&sektion=1">scp(1)</a> |
to spin until the login grace time expired. |
when performing copy operations using filenames that are supplied by the user from the command line. |
An unsafe signal handler (found by Mark Dowd) that is vulnerable to a race condition |
This can be exploited to execute shell commands with privileges of the user running |
that could be exploited to perform a pre-authentication denial of service. |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=scp&sektion=1">scp(1)</a>. |
<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4924">CVE-2006-4924</a>, |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5051">CVE-2006-5051</a> |
<br> |
<br> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/005_ssh.patch"> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/015_ssh.patch"> |
A source code patch exists which remedies this problem</a>.<br> |
A source code patch exists which remedies this problem</a>.<br> |
<p> |
<p> |
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<li><a name="i386machdep"></a> |
<li><a name="systrace"></a> |
<font color="#009000"><strong>004: RELIABILITY FIX: January 13, 2006</strong></font> <i>i386 architecture</i><br> |
<font color="#009000"><strong>014: SECURITY FIX: October 7, 2006</strong></font> <i>All architectures</i><br> |
Constrain |
Fix for an integer overflow in |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=i386_set_ioperm&arch=i386&sektion=2">i386_set_ioperm(2)</a> |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=systrace&sektion=4">systrace(4)</a>'s |
so even root is blocked from accessing the ioports |
STRIOCREPLACE support, found by |
unless the machine is running at lower securelevels or with an open X11 aperture. |
Chris Evans. This could be exploited for DoS, limited kmem reads or local |
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privilege escalation. |
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<br> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/i386/004_i386machdep.patch"> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/014_systrace.patch"> |
A source code patch exists which remedies this problem</a>.<br> |
A source code patch exists which remedies this problem</a>.<br> |
<p> |
<p> |
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<li><a name="i386pmap"></a> |
<li><a name="openssl2"></a> |
<font color="#009000"><strong>003: RELIABILITY FIX: January 13, 2006</strong></font> <i>i386 architecture</i><br> |
<font color="#009000"><strong>013: SECURITY FIX: October 7, 2006</strong></font> <i>All architectures</i><br> |
Change the implementation of i386 W^X so that the "execute line" can move around. |
Several problems have been found in OpenSSL. While parsing certain invalid ASN.1 |
Before it was limited to being either at 512MB (below which all code normally |
structures an error condition is mishandled, possibly resulting in an infinite |
lands) or at the top of the stack. Now the line can float as |
loop. A buffer overflow exists in the SSL_get_shared_ciphers function. A NULL |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mprotect&sektion=2">mprotect(2)</a> |
pointer may be dereferenced in the SSL version 2 client code. In addition, many |
and |
applications using OpenSSL do not perform any validation of the lengths of |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mmap&sektion=2">mmap(2)</a> |
public keys being used. |
requests need it to. This is now implemented using only GDT selectors |
<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2937">CVE-2006-2937</a>, |
instead of the LDT so that it is more robust as well. |
<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3738">CVE-2006-3738</a>, |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4343">CVE-2006-4343</a>, |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2940">CVE-2006-2940</a> |
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<br> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/i386/003_i386pmap.patch"> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/013_openssl2.patch"> |
A source code patch exists which remedies this problem</a>.<br> |
A source code patch exists which remedies this problem</a>.<br> |
<p> |
<p> |
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<li><a name="fd"></a> |
<li><a name="httpd2"></a> |
<font color="#009000"><strong>002: SECURITY FIX: January 5, 2006</strong></font> <i>All architectures</i><br> |
<font color="#009000"><strong>012: SECURITY FIX: October 7, 2006</strong></font> <i>All architectures</i><br> |
Do not allow users to trick suid programs into re-opening files via /dev/fd. |
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&sektion=8">httpd(8)</a> |
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does not sanitize the Expect header from an HTTP request when it is |
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reflected back in an error message, which might allow cross-site scripting (XSS) |
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style attacks. |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3918">CVE-2006-3918</a> |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/002_fd.patch"> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/012_httpd2.patch"> |
A source code patch exists which remedies this problem</a>.<br> |
A source code patch exists which remedies this problem</a>.<br> |
<p> |
<p> |
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<li><a name="perl"></a> |
<li><a name="openssl"></a> |
<font color="#009000"><strong>001: SECURITY FIX: January 5, 2006</strong></font> <i>All architectures</i><br> |
<font color="#009000"><strong>011: SECURITY FIX: September 8, 2006</strong></font> <i>All architectures</i><br> |
A buffer overflow has been found in the Perl interpreter with the sprintf function which |
Due to incorrect PKCS#1 v1.5 padding validation in OpenSSL, it is possible for |
may be exploitable under certain conditions. |
an attacker to construct an invalid signature which OpenSSL would accept as a |
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valid PKCS#1 v1.5 signature. |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4339">CVE-2006-4339</a> |
<br> |
<br> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/001_perl.patch"> |
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/011_openssl.patch"> |
A source code patch exists which remedies this problem</a>.<br> |
A source code patch exists which remedies this problem</a>.<br> |
<p> |
<p> |
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<li><a name="bind"></a> |
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<font color="#009000"><strong>010: SECURITY FIX: September 8, 2006</strong></font> <i>All architectures</i><br> |
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Two Denial of Service issues have been found with BIND. |
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An attacker who can perform recursive lookups on a DNS server and is able |
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to send a sufficiently large number of recursive queries, or is able to |
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get the DNS server to return more than one SIG(covered) RRsets can stop |
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the functionality of the DNS service. |
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An attacker querying an authoritative DNS server serving a RFC 2535 |
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DNSSEC zone may be able to crash the DNS server. |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4095">CVE-2006-4095</a> |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4096">CVE-2006-4096</a> |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/010_bind.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<li><a name="sppp"></a> |
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<font color="#009000"><strong>009: SECURITY FIX: September 2, 2006</strong></font> <i>All architectures</i><br> |
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Due to the failure to correctly validate LCP configuration option lengths, |
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it is possible for an attacker to send LCP packets via an |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sppp&sektion=4">sppp(4)</a> |
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connection causing the kernel to panic. |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4304">CVE-2006-4304</a> |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/009_sppp.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="isakmpd"></a> |
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<font color="#009000"><strong>008: SECURITY FIX: August 25, 2006</strong></font> <i>All architectures</i><br> |
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A problem in |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8">isakmpd(8)</a> |
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caused IPsec to run partly without replay protection. If |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&sektion=8">isakmpd(8)</a> |
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was acting as responder during SA negotiation, SA's with a replay window of size 0 were created. |
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An attacker could reinject sniffed IPsec packets, which will be accepted without checking the |
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replay counter. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/008_isakmpd.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="sem"></a> |
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<font color="#009000"><strong>007: SECURITY FIX: August 25, 2006</strong></font> <i>All architectures</i><br> |
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It is possible to cause the kernel to panic when more than the default number of |
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sempahores have been allocated. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/007_sem.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="dhcpd"></a> |
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<font color="#009000"><strong>006: SECURITY FIX: August 25, 2006</strong></font> <i>All architectures</i><br> |
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Due to an off-by-one error in |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dhcpd&sektion=8">dhcpd(8)</a>, |
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it is possible to cause |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dhcpd&sektion=8">dhcpd(8)</a> |
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to exit by sending a DHCPDISCOVER packet with a 32-byte client identifier option. |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3122">CVE-2006-3122</a> |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/006_dhcpd.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="sendmail3"></a> |
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<font color="#009000"><strong>005: SECURITY FIX: August 25, 2006</strong></font> <i>All architectures</i><br> |
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A potential denial of service problem has been found in sendmail. A message |
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with really long header lines could trigger a use-after-free bug causing |
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sendmail to crash. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/005_sendmail3.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="httpd"></a> |
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<font color="#009000"><strong>004: SECURITY FIX: July 30, 2006</strong></font> <i>All architectures</i><br> |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=httpd&sektion=8">httpd(8)</a>'s |
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mod_rewrite has a potentially exploitable off-by-one buffer overflow. |
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The buffer overflow may result in a vulnerability which, in combination |
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with certain types of Rewrite rules in the web server configuration files, |
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could be triggered remotely. The default install is not affected by the |
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buffer overflow. CVE-2006-3747 |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/004_httpd.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="sendmail2"></a> |
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<font color="#009000"><strong>003: SECURITY FIX: June 15, 2006</strong></font> <i>All architectures</i><br> |
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A potential denial of service problem has been found in sendmail. A malformed MIME |
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message could trigger excessive recursion which will lead to stack exhaustion. |
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This denial of service attack only affects delivery of mail from the queue and |
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delivery of a malformed message. Other incoming mail is still accepted and |
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delivered. However, mail messages in the queue may not be reattempted if a |
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malformed MIME message exists. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/003_sendmail2.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="xorg"></a> |
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<font color="#009000"><strong>002: SECURITY FIX: May 2, 2006</strong></font> <i>All architectures</i><br> |
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A security vulnerability has been found in the X.Org server -- |
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<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1526">CVE-2006-1526</a>. |
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Clients authorized to connect to the X server are able to crash it and to execute |
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malicious code within the X server. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/002_xorg.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
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<li><a name="sendmail"></a> |
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<font color="#009000"><strong>001: SECURITY FIX: March 25, 2006</strong></font> <i>All architectures</i><br> |
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A race condition has been reported to exist in the handling by sendmail of |
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asynchronous signals. A remote attacker may be able to execute arbitrary code with the |
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privileges of the user running sendmail, typically root. This is the second revision of |
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this patch. |
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<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/001_sendmail.patch"> |
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A source code patch exists which remedies this problem</a>.<br> |
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<p> |
</ul> |
</ul> |
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<br> |
<br> |
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<a href="errata36.html">3.6</a>, |
<a href="errata36.html">3.6</a>, |
<a href="errata37.html">3.7</a>, |
<a href="errata37.html">3.7</a>, |
<a href="errata38.html">3.8</a>, |
<a href="errata38.html">3.8</a>, |
<a href="errata.html">current</a>. |
<a href="errata.html">4.0</a>. |
<br> |
<br> |
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<hr> |
<hr> |