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ISS Security Brief: "MS Blast" MSRPC DCOM Worm Propagation (fwd)


From: Darren Reed <avalon () caligula anu edu au>
Date: Tue, 12 Aug 2003 09:22:05 +1000 (Australia/ACT)

I don't know if this covers what's already been said about DCOM worms...

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From alert-admin () iss net Tue Aug 12 08:42:31 2003
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From: X-Force <xforce () iss net>
Subject: ISS Security Brief: "MS Blast" MSRPC DCOM Worm Propagation
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Date: Mon, 11 Aug 2003 18:19:34 -0400 (EDT)
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Internet Security Systems Security Brief
August 11, 2003

"MS Blast" MSRPC DCOM Worm Propagation

Synopsis:

ISS X-Force has captured active samples of an automated Internet worm that
propagates via the MS RPC DCOM vulnerability documented in ISS X-Force
Alert titled "Flaw in Microsoft Windows RPC Implementation"
(http://xforce.iss.net/xforce/alerts/id/147). This worm is currently
propagating aggressively across the Internet.

Impact:

Any vulnerable desktop or server connected to the Internet may be
vulnerable to attack. All Windows 2000, Windows XP and Windows NT 4.0
computers that have not been patched are vulnerable to attack from the
automated worm, or manual attack. X-Force believes that hundreds of
thousands of computers may still be vulnerable. Unsuccessful propagation
attempts may crash vulnerable computers, or render them unstable.
Successful worm outbreaks have been known to cause significant localized
network latency, and widespread denial of service.

For the complete ISS X-Force Security Alert, please visit: 
http://xforce.iss.net/xforce/alerts/id/150 

______ 

About Internet Security Systems (ISS) 
Founded in 1994, Internet Security Systems (ISS) (Nasdaq: ISSX) is a 
pioneer and world leader in software and services that protect critical 
online resources from an ever-changing spectrum of threats and misuse. 
Internet Security Systems is headquartered in Atlanta, GA, with 
additional operations throughout the Americas, Asia, Australia, Europe 
and the Middle East. 

Copyright (c) 2003 Internet Security Systems, Inc. All rights reserved 
worldwide. 

Permission is hereby granted for the electronic redistribution of this 
document. It is not to be edited or altered in any way without the 
express written consent of the Internet Security Systems X-Force. If you 
wish to reprint the whole or any part of this document in any other 
medium excluding electronic media, please email xforce () iss net for 
permission. 

Disclaimer: The information within this paper may change without notice. 
Use of this information constitutes acceptance for use in an AS IS 
condition. There are NO warranties, implied or otherwise, with regard to 
this information or its use. Any use of this information is at the 
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Please send suggestions, updates, and comments to: X-Force 
xforce () iss net of Internet Security Systems, Inc. 

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