Windows & IPv6 – Vulnerabilità

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Da poco introdotto e pienamente funzionante l’ IPv6 promette di risolvere (ed è matematico che ci riuscirà) i problemi dovuti all’ assegnamento dei nomi a dominio..

Windows di default è già configurato per preferire lo standard IPv6 al vecchio IPv4.. ciò può essere un bene per facilitare la migrazione al nuovo standard… ma può rappresentare un potenziale rischio per la sicurezza

In teoria difatti, sfruttando lo standard noto come Stateless Address Auto Configuration (SLAAC) – che permette ai client e agli host di trovarsi all’interno di una rete IPv6 – è possibile creare una rete IPv6 non autorizzata verso la quale dirigere tutto il traffico.

Tale tipo d’ attacco è definito di tipo “Man in the Middle” di cui possiamo trovare una breve definizione su Wikipedia

Inserendo  nella rete un router configurato con l’ IPV6  e appositamente programmato per sniffare il software, la rete di Windows preferirà connettersi lì e utilizzare il nuovo protocollo

Ma potrebbe di fatto non essere un componente hardware ma pure un software che agisce come router;  insomma certe scelte di Microsoft sono quasi sempre discutibili da un punto di vista della sicurezza e a pagarne gli effetti ovviamente è sempre l’ utente (e chi sennò?)

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