On January 11, 2003 Pavel P. reported the following regarding Norton Internet Security 2003: ---------------snip-------------------------- Subject: NIS 2003 crash NIS2003 - I have WinXP Pro with SP1 and Norton Internet Security installed on my machine. When I ping my machine with the following parameter: ping "My IP" -l 65500 where "My IP" represents my IP number, the computer halts with a blue screen error. The problem is most probably in Intrusion Detection, since when I switch it off, the problem disappears. Does anyone experience the same problem with NIS? I Tried to reinstall my computer withou any effect. ---------------snip-------------------------- Reference: Bugtraq ID 6598, Symantec Norton Internet Security ICMP Packet Flood Denial Of Service Vulnerability Symantec Security Response Advisory, http://securityresponse.symantec.com/avcenter/security/Content/2003.01.17.html 17 January, 2003 Symantec Norton Internet Security ICMP Packet Flood Denial Of Service Vulnerability Risk Low Overview Symantec is aware of an issue with the Symantec Norton Personal Firewall 2003. A Microsoft Windows 2000 or Windows XP system with Symantec Norton Personal Firewall 2003 installed can experience a crash when sending an excessively large echo request. Components Affected Norton Personal Firewall 2003 Norton Internet Security 2003 Norton Internet Security 2003 Professional Edition Description On 13 January 2003, Symantec became aware of an issue originally reported on BugTraq. By sending an excessively large echo request, a crash can occur on a Windows 2000 or Windows XP system with Symantec Norton Personal Firewall 2003 installed. Symantec Response Symantec engineers have evaluated and verified that this issue exists for Symantec's Norton Personal Firewall 2003, Symantec's Norton Internet Security 2003 as well as Symantec's Norton Internet Security 2003 Professional Edition. Sending this excessively large echo request results in the overflow of an internal buffer and causes a crash of the system. This issue does not occur on systems running Windows 9x, Windows ME or Windows NT. Symantec takes any product issue such as this very seriously. We have developed an update for Symantec Norton Personal Firewall 2003, Symantec Norton Internet Security 2003 and Symantec Norton Internet Security 2003 Professional Edition to address this issue. The update is now available via LiveUpdate. There are some circumstances that greatly mitigate the risk associated with this issue. In this instance, the system is attempting to send an excessively large echo request. Any attempt to do this requires either local access to the targeted system to initiate the request or malicious code that initiates the request is downloaded and executed on the target system. As a best practice, Symantec recommends keeping all operating systems and applications updated with the latest vendor patches. Keeping mission-critical systems updated with all security patches applied reduces risk exposure. Symantec further recommends using a multi-layered approach to security. Users, at a minimum, should run both personal firewall and antivirus applications to provide multiple points of detection and protection to both inbound and outbound threats. Users should further be wary of mysterious attachments and executables delivered via email. Do not open attachments or executables from unknown sources. Always err on the side of caution. Even if the sender is known, be wary of attachments if the sender does not explain the attachment content in the body of the email. You do not know the source of the attachment. If in doubt, contact the sender before opening the attachment. If still in doubt, delete the attachment without opening it. Note: The proper contact for information and coordination regarding this issue or any security issues with Symantec products is through symsecurityat_private Copyright (c) 2003 by Symantec Corp. Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or parts of this alert in any medium other than electronically requires permission from symsecurityat_private Disclaimer The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. Symantec, Symantec products, Symantec Security Response, and SymSecurity are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners. Symantec Security Response symsecurityat_private http://securityresponse.symantec.com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ----BEGIN PGP SIGNATURE----- Version: PGP 7.0.1 iQA/AwUBO7iRFxMwEkwA14VxEQKI8gCfWICJV9DrP5YPrcJa9dxgtSCHaaIAn3e+ WKp8AolyJgWU0eeQKBtc7tu3 =f7Si -----END PGP SIGNATURE-----
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