-----BEGIN PGP SIGNED MESSAGE-----

===========================================================================
              AUSCERT External Security Bulletin Redistribution
                                      
                                      
     ESB-98.046 -- Silicon Graphics Inc. Security Advisory 19980302-01-I
                           IMAP/POP Vulnerability
                                27 March 1998
                                      
===========================================================================

Silicon Graphics Inc. has released the following advisory concerning a
vulnerability in IMAP4 & POP3 protocols.  This vulnerability may allow
remote users to gain root access.

This vulnerability has been previously addressed in CERT/CC advisory
CA-97.09 which AUSCERT released as ESB-97.042.

The following security bulletin is provided as a service to AUSCERT's
members.  As AUSCERT did not write this document, AUSCERT has had no
control over its content.  As such, the decision to use any or all of this
information is the responsibility of each user or organisation, and should
be done so in accordance with site policies and procedures.

NOTE: This is only the original release of the security bulletin.  It will
not be updated when the original bulletin is.  If downloading at a later
date, it is recommended that the bulletin is retrieved from the original
authors to ensure that the information is still current.

Contact information for SGI is included in the Security Bulletin below.
If you have any questions or need further information, please contact them
directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/Information/advisories.html

If you believe that your system has been compromised, contact AUSCERT or your
representative in FIRST (Forum of Incident Response and Security Teams).

Internet Email: auscert@auscert.org.au
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AUSCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for emergencies.
Facsimile:      (07) 3365 7031


- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________
                Silicon Graphics Inc. Security Advisory

        Title:   IMAP/POP Vulnerability
        Title:   CERT CA-97.09
        Number:  19980302-01-I
        Date:    March 25, 1998
______________________________________________________________________________

Silicon Graphics provides this information freely to the SGI user community
for its consideration, interpretation, implementation and use.   Silicon
Graphics recommends that this information be acted upon as soon as possible.

Silicon Graphics provides the information in this Security Advisory on
an "AS-IS" basis only, and disclaims all warranties with respect thereto,
express, implied or otherwise, including, without limitation, any warranty
of merchantability or fitness for a particular purpose.  In no event shall
Silicon Graphics be liable for any loss of profits, loss of business, loss
of data or for any indirect, special, exemplary, incidental or consequential
damages of any kind arising from your use of, failure to use or improper
use of any of the instructions or information in this Security Advisory.
______________________________________________________________________________


As a followup to the CERT(sm) Advisory CA-97.09 "Vulnerability in IMAP and
POP", SGI has investigated this information and provides the following
information.


- - -----------------------
- - --- Issue Specifics ---
- - -----------------------

The Internet Mail Access Protocol (IMAP) & Post Office Protocol (POP)
provide users with an alternative means to process and retrieve their email.

A vulnerability has been discovered in IMAP4 & POP3 that allows remote
users to obtain root access.

Silicon Graphics sells and supports the Netscape Mail/Messaging Servers
for IRIX which use IMAP4 & POP3 however, their implementations are not
vulnerable to this issue and no further action is required.

More information about Netscape product security can be found at the
following URL:

http://home.netscape.com/assist/security/


- - ------------------------
- - --- Acknowledgments ---
- - ------------------------

Silicon Graphics wishes to thank the CERT Coordination Center and
Netscape for their assistance in this matter.


- - -----------------------------------------------------------
- - --- Silicon Graphics Inc. Security Information/Contacts ---
- - -----------------------------------------------------------

If there are questions about this document, email can be sent to
cse-security-alert@sgi.com.

                      ------oOo------

Silicon Graphics provides security information and patches for
use by the entire SGI community.  This information is freely
available to any person needing the information and is available
via anonymous FTP and the Web.

The primary SGI anonymous FTP site for security information and patches
is sgigate.sgi.com (204.94.209.1).  Security information and patches
are located under the directories ~ftp/security and ~ftp/patches,
respectively. The Silicon Graphics Security Headquarters Web page is
accessible at the URL http://www.sgi.com/Support/security/security.html.

For issues with the patches on the FTP sites, email can be sent to
cse-security-alert@sgi.com.

For assistance obtaining or working with security patches, please
contact your SGI support provider.

                      ------oOo------

Silicon Graphics provides a free security mailing list service
called wiretap and encourages interested parties to self-subscribe
to receive (via email) all SGI Security Advisories when they are
released. Subscribing to the mailing list can be done via the Web
(http://www.sgi.com/Support/security/wiretap.html) or by sending email
to SGI as outlined below.

% mail wiretap-request@sgi.com
subscribe wiretap <YourEmailAddress>
end
^d

In the example above, <YourEmailAddress> is the email address that you
wish the mailing list information sent to.  The word end must be on a
separate line to indicate the end of the body of the message. The
control-d (^d) is used to indicate to the mail program that you are
finished composing the mail message.


                      ------oOo------

Silicon Graphics provides a comprehensive customer World Wide Web site.
This site is located at http://www.sgi.com/Support/security/security.html.

                      ------oOo------

For reporting *NEW* SGI security issues, email can be sent to
security-alert@sgi.com or contact your SGI support provider.  A
support contract is not required for submitting a security report.

______________________________________________________________________________
  This information is provided freely to all interested parties and may
  be redistributed provided that it is not altered in any way, Silicon
  Graphics is appropriately credited and the document retains and
  includes its valid PGP signature.


- -----BEGIN PGP SIGNATURE-----
Version: 2.6.2

iQCVAwUBNRmLYrQ4cFApAP75AQHjvgP8C7FcHzR89PbzKBCghwDmKqhW76yTZ2U8
EyJZjYLeiTaMYsUFrmyiUKrUJvIwKlUbFx3Gm+gtkOYIcweON4EwKdg3HQIm2tD4
ie0Da7/DoQBnZ0p80jdy0PTwwL24V1DQniHz5jKpILlGHjI8aPBWpEkLntgXhuh/
BGGujuTXphM=
=dGjz
- -----END PGP SIGNATURE-----

- --------------------------END INCLUDED TEXT--------------------


-----BEGIN PGP SIGNATURE-----
Version: 2.6.3i
Charset: noconv
Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key

iQCVAwUBNSjfXSh9+71yA2DNAQFq9wP+JnNCYDVeDYWqxLWS49F5Vad4Nm+hJsYW
7PvDTkG0/GaC5qsi9+SPki8KDjJWuDOD5MpynhG3DowpGBZahcdJBjoGsxp7ilR2
/NWStOgtQy7rWp70cXAFfhLLUAYhHqtKjG5j/Sk4tbIu7SRwStJ8gJqVo6Gjvwqm
5lUDHQcXYIc=
=2Yfz
-----END PGP SIGNATURE-----