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I assume this effects Network ICE as well? -----Original Message----- From: Eng, Audra (ISS San Francisco) [mailto:[EMAIL PROTECTED]] Sent: Monday, February 04, 2002 11:32 PM To: [EMAIL PROTECTED] Subject: RE: BugTraq - Vulnerability in BlackICE Defender TO UNSUBSCRIBE: email "unsubscribe issforum" in the body of your message to [EMAIL PROTECTED] Contact [EMAIL PROTECTED] for help with any problems! ---------------------------------------------------------------------------- Internet Security Systems Security Alert for BlackICE Defender February 4, 2002 Synopsis: ISS is aware and is immediately addressing a serious vulnerability in BlackICE Defender running on Windows 2000 and Windows XP that can cause the machine to reboot or crash. Description: The current version of BlackICE Defender (2.9.caq and 2.9.cap) running on a Windows 2000 machine can be remotely crashed using a ping flood attack. This has been tested and confirmed by ISS using the Divine Intervention 2 & 3 utility. Affected Versions: Microsoft Windows 2000 Professional, Server, Advanced Server and Datacenter Server Microsoft Windows XP Recommendations: ISS is working on a patch to release to fix this issue immediately, and ISS urges all administrators to apply this workaround until the patch is released. Set the BlackICE Defender firewall to block ICMP. You must edit the firewall.ini file and add the following: Under the [MANUAL ICMP ACCEPT] section, REJECT, 8:0, ICMP, 2001-10-15 20:28:53, PERPETUAL, 4000, BIGUI Save the firewall.ini file. This will block pings and the box will not be vulnerable to the attack. Additional Information: A formal response from ISS with a patch will be supplied shortly. Please contact ISS X-Force for more information. About Internet Security Systems (ISS) Internet Security Systems is a leading global provider of security management solutions for the Internet, protecting digital assets and ensuring safe and uninterrupted e-business. With its industry-leading intrusion detection and vulnerability assessment, remote managed security services, and strategic consulting and education offerings, ISS is a trusted security provider to more than 8,000 customers worldwide including 21 of the 25 largest U.S. commercial banks and the top 10 U.S. telecommunications companies. Founded in 1994, ISS is headquartered in Atlanta, GA, with additional offices throughout North America and international operations in Asia, Australia, Europe, Latin America and the Middle East. For more information, visit the Internet Security Systems web site at www.iss.net or call 888-901-7477. Copyright (c) 2001 Internet Security Systems, Inc. Permission is hereby granted for the redistribution of this Alert electronically. It is not to be edited in any way without express consent of ISS. 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 with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk. X-Force PGP Key available at: http://xforce.iss.net/sensitive.php as well as on MIT's PGP key server and PGP.com's key server. Please send suggestions, updates, and comments to: X-Force [EMAIL PROTECTED] of Internet Security Systems, Inc. ------------------------------------------------------------------- Audra Eng Product Manager - Host Protection Systems Internet Security Systems -- The Power to Protect <http://www.iss.net/> -------------------------------------------------------------------
