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Date: 2003-07-17

Fatale Cisco IOS Sicherheitsluecke

Alle Cisco Router und Switches betroffen. Remote Denial of Service möglich. Grossteil der Internet-Infrastruktur verwendet Cisco Produkte. Chaos und Havoc absehbar.
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http://www.cisco.com/en/US/products/hw/routers/ps341/products_security_advisory09186a00801a34c2.shtml

[...]
Cisco routers and switches running Cisco IOS® software and configured to process Internet Protocol version 4 (IPv4) packets are vulnerable to a Denial of Service (DoS) attack. A rare sequence of crafted IPv4 packets sent directly to the device may cause the input interface to stop processing traffic once the input queue is full. No authentication is required to process the inbound packet. Processing of IPv4 packets is enabled by default. Devices running only IP version 6 (IPv6) are not affected. A workaround is available.
[...]

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edited by typo
published on: 2003-07-17
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