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______________________________________________________________________________
SGI Security Advisory
Title: IGMP multicast report Denial of Service vulnerability
Number: 20020901-01-A
Date: September 18, 2002
______________________________________________________________________________
SGI provides this information freely to the SGI user community for its
consideration, interpretation, implementation and use. SGI recommends
that this information be acted upon as soon as possible.
SGI 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 SGI 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.
______________________________________________________________________________
SGI acknowledges the IGMP multicast report DoS vulnerability reported at:
http://www.cs.ucsb.edu/~krishna/igmp_dos/, and is currently investigating.
No further information is available at this time. As further information
becomes available, additional advisories will be issued.
For the protection of all our customers, SGI does not disclose, discuss or
confirm vulnerabilities until a full investigation has occurred and any
necessary patch(es) or release streams are available for all vulnerable and
supported Linux and IRIX operating systems.
Until SGI has more definitive information to provide, customers are
encouraged to assume all security vulnerabilities as exploitable and take
appropriate steps according to local site security policies and
requirements.
As further information becomes available, additional advisories will be
issued via the normal SGI security information distribution methods
including the wiretap mailing list.
- - -----------------------------------------
- - --- SGI Security Information/Contacts ---
- - -----------------------------------------
If there are questions about this document, email can be sent to
security-infoat_private
------oOo------
SGI provides security information and patches for use by the entire SGI
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information and is available via anonymous FTP and the Web.
The primary SGI anonymous FTP site for security advisories and patches is
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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-infoat_private
For assistance obtaining or working with security patches, please contact
your SGI support provider.
------oOo------
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% mail wiretap-requestat_private
subscribe wiretap <YourEmailAddress such as aaanalystat_private >
end
^d
In the example above, <YourEmailAddress> is the email address that you wish
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------oOo------
SGI provides a comprehensive customer World Wide Web site. This site is
located at http://www.sgi.com/support/security/ .
------oOo------
For reporting *NEW* SGI security issues, email can be sent to
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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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