Message-ID: <Pine.SGI.4.51.0304111446420.468510@einstein.csd.sgi.com>
Date: Fri, 11 Apr 2003 14:47:52 -0700
From: SGI Security Coordinator <agent99@....com>
To: agent99@....com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com,
   vulnwatch@...nwatch.org
Subject: Brocade Firmware SNMP Vulnerability


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

_______________________________________________________________________________                          SGI Security Advisory

Title    : Brocade Firmware SNMP Vulnerability
Number   : 20030405-01-I
Date     : April 11, 2003
Reference: SGI BUG 876762
Reference: CERT CA-2002-03
Reference: CVE CAN-2002-0013
Reference: CVE CAN-2002-0017
Fixed in : Brocade Firmware v2.6.0d or later
______________________________________________________________________________

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

It's been reported that the certain firmware shipped with some Brocade switches
are vulnerable to the SNMP issues listed in CERT CA-2002-03:
http://www.cert.org/advisories/CA-2002-03.html

SGI has investigated the issue and recommends the following steps for
neutralizing the exposure.  It is HIGHLY RECOMMENDED that these measures be
implemented on ALL vulnerable SGI systems.

These issues have been corrected in the 2.6.0d and later revisions of the
Brocade firmware.


- --------------
- --- Impact ---
- --------------

The Brocade firmware is not part of IRIX and is in fact not installed
on any IRIX machine, but is instead shipped installed in certain Brocade
switches SGI supplies in certain system configurations.

This vulnerability could result in a denial of service attack on TCP/IP
connectivity to the switch.  TCP/IP connectivity for the switch is not
a requirement for the switch to handle storage properly, and is there
for management purposes.

To see what version of firmware is installed in your Brocade switch, telnet
to it and it will show the firmware OS release in its banner.

  % telnet brocade.yourcompany.com (or the ip address of the brocade switch)
  Trying 192.38.62.4...
  Connected to brocade.yourcompany.com.
  Escape character is '^]'.


  Fabric OS (tm)  Release v2.6.0d

  login:
       Connection closed by foreign host.

If the release version shown is earlier than v2.6.0d, then you are
vulnerable and you should install the upgraded firmware.


- ----------------------------
- --- Temporary Workaround ---
- ----------------------------

There is no effective workaround available for these problems.
SGI recommends upgrading the firmware.


- ----------------
- --- Solution ---
- ----------------

SGI has provided upgraded firmware for this vulnerability.
To obtain the upgraded firmware,

Go to http://support.sgi.com/search_request/power_search/index

Enter "brocade firmware" and look down the listing for the download link.


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

SGI wishes to thank PROTOS, Brocade and the users of the Internet Community
at large for their assistance in this matter.


- -------------
- --- Links ---
- -------------

SGI Security Advisories can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/advisories/

SGI Security Patches can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/patches/

SGI patches for IRIX can be found at the following patch servers:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/

SGI freeware updates for IRIX can be found at:
http://freeware.sgi.com/

SGI fixes for SGI open sourced code can be found on:
http://oss.sgi.com/projects/

SGI patches and RPMs for Linux can be found at:
http://support.sgi.com/

SGI patches for Windows NT or 2000 can be found at:
http://support.sgi.com/

IRIX 5.2-6.4 Recommended/Required Patch Sets can be found at:
http://support.sgi.com/ and ftp://patches.sgi.com/support/patchset/

IRIX 6.5 Maintenance Release Streams can be found at:
http://support.sgi.com/

IRIX 6.5 Software Update CDs can be obtained from:
http://support.sgi.com/

The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211).  Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/

For security and patch management reasons, ftp.sgi.com (mirrors
patches.sgi.com security FTP repository) lags behind and does not do a
real-time update.


- -----------------------------------------
- --- SGI Security Information/Contacts ---
- -----------------------------------------

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

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

SGI 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 advisories and patches is
patches.sgi.com (216.32.174.211).  Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/

The SGI Security Headquarters Web page is accessible at the URL:
http://www.sgi.com/support/security/

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

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

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

SGI 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@....com
subscribe wiretap <YourEmailAddress such as aaanalyst@....com>
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------

SGI provides a comprehensive customer World Wide Web site. This site is
located at http://www.sgi.com/support/security/ .

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

If there are general security questions on SGI systems, email can be sent to
security-info@....com.

For reporting *NEW* SGI security issues, email can be sent to
security-alert@....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, SGI is appropriately credited and the document retains and
      includes its valid PGP signature.


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