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<font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
<font color="#e00000">5.7 Errata</font>
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<hr>
<a href=stable.html>For OpenBSD patch branch information, 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="errata36.html">3.6</a>,
<br>
<a href="errata37.html">3.7</a>,
<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>,
<br>
<a href="errata53.html">5.3</a>,
<a href="errata54.html">5.4</a>,
<a href="errata55.html">5.5</a>,
<a href="errata56.html">5.6</a>,
<a href="errata58.html">5.8</a>,
<a href="errata59.html">5.9</a>.
<br>
<hr>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7.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_5_7</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>.
<p>
<hr>
<ul>
<li id="001_sparc64_miniroot">
<font color="#009000"><strong>001: INSTALL ISSUE: May 1, 2015</strong></font>
<i>sparc64</i><br>
The "miniroot" install method is broken (related to the addition of
softraid support). This method is used by the official CD 3 as
well, so it fails to boot on sparc64 machines.
<br>
No patch is available for obvious reasons, so use a different install method.
<p>
<li id="002_libxfont">
<font color="#009000"><strong>002: SECURITY FIX: March 18, 2015</strong></font>
<i>All architectures</i><br>
Buffer overflows in libXfont
<br>
For more information, see the
<a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/002_libxfont.patch.sig">
A source code patch exists which remedies this problem.</a>
<br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
<p>
<li id="003_openssl">
<font color="#009000"><strong>003: SECURITY FIX: March 19, 2015</strong></font>
<i>All architectures</i><br>
Fix several crash causing defects from OpenSSL.<br>
These include:<br>
CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
<br>
Several other issues did not apply or were already fixed.<br>
For more information, see the
<a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/003_openssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="004_smtpd">
<font color="#009000"><strong>004: RELIABILITY FIX: April 17, 2015</strong></font>
<i>All architectures</i><br>
Fix a logic error in smtpd handling of SNI.
This could allow a remote user to crash the server or provoke a disconnect of other sessions.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/004_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="005_httpd">
<font color="#009000"><strong>005: RELIABILITY FIX: April 30, 2015</strong></font>
<i>All architectures</i><br>
A remote user can crash httpd by forcing the daemon to log to a file
before the logging system was initialized.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/005_httpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="006_elf">
<font color="#009000"><strong>006: SECURITY FIX: April 30, 2015</strong></font>
<i>All architectures</i><br>
Malformed binaries could trigger kernel panics or view kernel memory.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/006_elf.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="007_tar">
<font color="#009000"><strong>007: SECURITY FIX: April 30, 2015</strong></font>
<i>All architectures</i><br>
Multiple issues in tar/pax/cpio:
<ul>
<li>extracting a malicious archive could create files outside of
the current directory without using pre-existing symlinks to 'escape',
and could change the timestamps and modes on preexisting files
<li>tar without -P would permit extraction of paths with ".." components
<li>there was a buffer overflow in the handling of pax extension headers
</ul>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/007_tar.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="008_smtpd">
<font color="#009000"><strong>008: RELIABILITY FIX: June 11, 2015</strong></font>
<i>All architectures</i><br>
Fix multiple reliability issues in smtpd:
<ul>
<li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
<li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
</ul>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/008_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="009_openssl">
<font color="#009000"><strong>009: SECURITY FIX: June 11, 2015</strong></font>
<i>All architectures</i><br>
Fix several defects from OpenSSL:
<ul>
<li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
<li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
<li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
</ul>
Note that CMS was already disabled in LibreSSL.
Several other issues did not apply or were already fixed and one is under review.<br>
For more information, see the
<a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/009_openssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="010_tcp">
<font color="#009000"><strong>010: SECURITY FIX: July 14, 2015</strong></font>
<i>All architectures</i><br>
A TCP socket can become confused and not properly cleanup resources.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/010_tcp_persist.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="011_execve">
<font color="#009000"><strong>011: RELIABILITY FIX: July 26, 2015</strong></font>
<i>All architectures</i><br>
A kernel memory leak could be triggered by an unprivileged user in
a failure case when using execve under systrace.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/011_execve.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="012_patch">
<font color="#009000"><strong>012: SECURITY FIX: July 26, 2015</strong></font>
<i>All architectures</i><br>
The patch utility could be made to invoke arbitrary commands via
the obsolete RCS support when processing a crafted input file.
This patch deletes the RCS support.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/012_patch.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="013_patch">
<font color="#009000"><strong>013: SECURITY FIX: July 30, 2015</strong></font>
<i>All architectures</i><br>
The patch utility could become desyncronized processing ed(1)-style diffs.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="014_sshd">
<font color="#009000"><strong>014: SECURITY FIX: August 16, 2015</strong></font>
<i>All architectures</i><br>
A change to sshd resulted in incorrect permissions being applied to pseudo
terminal devices, allowing local users to write to (but not read from) them.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/014_sshd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="015_relayd">
<font color="#009000"><strong>015: RELIABILITY FIX: September 28, 2015</strong></font>
<i>All architectures</i><br>
Various problems were identified in relayd and merged back from
current to 5.7 in this maintanance update.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/015_relayd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="016_uvm">
<font color="#009000"><strong>016: RELIABILITY FIX: September 28, 2015</strong></font>
<i>All architectures</i><br>
An incorrect operation in uvm could result in system panics.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/016_uvm.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="017_smtpd">
<font color="#009000"><strong>017: SECURITY FIX: October 1, 2015</strong></font>
<i>All architectures</i><br>
Fix multiple reliability and security issues in smtpd:<br>
<ul>
<li>local and remote users could make smtpd crash or stop serving requests.
<li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
process could allow a local user to cause a crash or potentially
execute arbitrary code.
<li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
process could allow a remote attacker to cause a crash or potentially
execute arbitrary code.
<li>hardlink and symlink attacks allowed a local user to unset chflags or
leak the first line of an arbitrary file.
</ul>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/017_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="018_kevent">
<font color="#009000"><strong>018: RELIABILITY FIX: October 14, 2015</strong></font>
<i>All architectures</i><br>
A problem with timer kevents could result in a kernel hang (local denial
of service).<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/018_kevent.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="019_obj2txt">
<font color="#009000"><strong>019: RELIABILITY FIX: October 15, 2015</strong></font>
<i>All architectures</i><br>
The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
and memory leak, as reported by Qualys Security.<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/019_obj2txt.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="020_rsn">
<font color="#009000"><strong>020: RELIABILITY FIX: November 9, 2015</strong></font>
<i>All architectures</i><br>
Insufficient validation of RSN element group cipher values in 802.11
beacons and probe responses could result in system panics.<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/020_rsn.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="021_clientcert">
<font color="#009000"><strong>021: RELIABILITY FIX: Dec 3, 2015</strong></font>
<i>All architectures</i><br>
A NULL pointer deference could be triggered by a crafted certificate sent to
services configured to verify client certificates on TLS/SSL connections.<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/021_clientcert.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="022_sshd">
<font color="#009000"><strong>022: SECURITY FIX: January 14, 2016</strong></font>
<i>All architectures</i><br>
Experimental roaming code in the ssh client could be tricked by a hostile sshd
server, potentially leaking key material. CVE-2016-0777 and CVE-0216-0778.
<br>
Prevent this problem immediately by adding the line "UseRoaming no" to
<b>/etc/ssh/ssh_config</b>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/022_ssh.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="023_sshd">
<font color="#009000"><strong>023: SECURITY FIX: March 10, 2016</strong></font>
<i>All architectures</i><br>
<a href="http://www.openssh.com/txt/x11fwd.adv">
Lack of credential sanitization allows injection of commands to xauth(1).</a>
<br>
Prevent this problem immediately by not using the "X11Forwarding" feature
(which is disabled by default)
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/023_sshd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="024_in6bind">
<font color="#009000"><strong>024: SECURITY FIX: March 16, 2016</strong></font>
<i>All architectures</i><br>
Insufficient checks in IPv6 socket binding and UDP IPv6 option
processing allow a local user to send UDP packets with a source
(IPv6 address + port) already reserved by another user.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/024_in6bind.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
</ul>
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