Mail Archives: cygwin-announce/2002/08/01/10:30:52
I've updated the version of OpenSSH to 3.4p1-5.
This version changes the way how the 'ntsec' setting is figured
out. This is needed to accomplish newer (developer) versions
of Cygwin which have set 'ntsec' by default. These versions are
identifiable by a API version greater than or equal to 0.56 (see
first number in parenthesis on `uname -r').
IMPORTANT NOTICE:
========================================================================
Today, 2002-08-01, there is evidence that the official OpenSSH-3.4p1
source tar archive on ftp.openbsd.org has been trojaned.
This tar archive hasn't been used to create the Cygwin version in the
official Cygwin net distribution. The Cygwin version is created from
the tar archive I downloaded on 2002-06-26 which was not trojaned.
All versions of OpenSSH as part of the Cygwin net distribution are
unaffected by the problem on ftp.openssh.org.
========================================================================
The following comment from the 3.4p1-1 announcement still applies:
========================================================================
This version allows to use privilege separation in a slightly restricted
way. Since privilege separation is consisting of two independent parts
(preauth, postauth) and only the postauth part requires descriptors
passing, this version enables the usage of preauth privilege separation
in Cygwin. Note that this doesn't create an additional sshd process as
described in the README.privsep file and note that this isn't still as
secure as fully-fledged privilege separation but it's a good start.
========================================================================
Official Release Message:
====================================================================
OpenSSH 3.4 has just been released. It will be available from the
mirrors listed at http://www.openssh.com/ shortly.
OpenSSH is a 100% complete SSH protocol version 1.3, 1.5 and 2.0
implementation and includes sftp client and server support.
We would like to thank the OpenSSH community for their continued
support and encouragement.
Changes since OpenSSH 3.3:
============================
Security Changes:
=================
All versions of OpenSSH's sshd between 2.9.9 and 3.3
contain an input validation error that can result in
an integer overflow and privilege escalation.
OpenSSH 3.4 fixes this bug.
In addition, OpenSSH 3.4 adds many checks to detect
invalid input and mitigate resource exhaustion attacks.
OpenSSH 3.2 and later prevent privilege escalation
if UsePrivilegeSeparation is enabled in sshd_config.
OpenSSH 3.3 enables UsePrivilegeSeparation by
default.
Reporting Bugs:
===============
- please read http://www.openssh.com/report.html
and http://bugzilla.mindrot.org/
OpenSSH is brought to you by Markus Friedl, Niels Provos, Theo de Raadt,
Kevin Steves, Damien Miller and Ben Lindstrom.
====================================================================
To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Once you've downloaded setup.exe, run it and select "Net" and
then click on the appropriate field until the above announced version
number appears if it is not displayed already.
If you have questions or comments, please send them to the Cygwin
mailing list at: cygwin AT cygwin DOT com . I would appreciate it if you would
use this mailing list rather than emailing me directly. This includes
ideas and comments about the setup utility or Cygwin in general.
If you want to make a point or ask a question, the Cygwin mailing list
is the appropriate place.
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--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Developer mailto:cygwin AT cygwin DOT com
Red Hat, Inc.
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