Updated: OpenSSH-3.5p1-1

Corinna Vinschen vinschen@redhat.com
Wed Nov 6 06:36:00 GMT 2002

I've updated the version of OpenSSH to 3.5p1-1.

This is an official major version update, which has been released on
15 Oct 2002.  Due to my vacation the Cygwin version is unfortunately
rather late this time...

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 3.5 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 3.4:

* Improved support for Privilege Separation (Portability, Kerberos,
  PermitRootLogin handling).

* ssh(1) prints out all known host keys for a host if it receives an
  unknown host key of a different type.

* Fixed AES/Rijndael EVP integration for OpenSSL < 0.9.7 (caused
  problems with bounds checking patches for gcc).

* ssh-keysign(8) is disabled by default and only enabled if the
  HostbasedAuthentication option is enabled in the global ssh_config(5)

* ssh-keysign(8) uses RSA blinding in order to avoid timing attacks
  against the RSA host key.

* A use-after-free bug was fixed in ssh-keysign(8).  This bug
  broke hostbased authentication on several platforms.

* ssh-agent(1) is now installed setgid in order to avoid ptrace(2)

* ssh-agent(1) now restricts the access with getpeereid(2) (or
  equivalent, where available).

* sshd(8) no longer uses the ASN.1 parsing code from libcrypto when
  verifying RSA signatures.

* sshd(8) now sets the SSH_CONNECTION environment variable.

* Enhanced "ls" support for the sftp(1) client, including globbing and
  detailed listings.

* ssh(1) now always falls back to uncompressed sessions, if the
  server does not support compression.

* The default behavior of sshd(8) with regard to user settable
  environ variables has changed:  the new option PermitUserEnvironment
  is disabled by default, see sshd_config(5).

* The default value for LoginGraceTime has been changed from 600 to 120
  seconds, see sshd_config(5).

* Removed erroneous SO_LINGER handling.


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@cygwin.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@cygwin.com
Red Hat, Inc.

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