Ping of Death

DDoSPedia An Online Encyclopedia Of Cyberattack and Cybersecurity Terms

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The “Ping of Death” is an antiquated denial-of-service (DoS) attack that does not affect modern machines. Originally, a bug was discovered in the TCP/IP framework of many operating systems in the mid 1990s, where sending a large packet (greater than the maximum allowable size of 65,535 bytes) to a target machine would result in it becoming severely unstable, crashing, or rebooting it.

This attack was made possible because such a large packet had to be reassembled on the receiving machine. When packet fragments were reassembled into a packet larger than the maximum allowable size of 65,535 bytes on the target machine, a buffer overflow occurred, causing instability, crashing or rebooting of the targeted machine.


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