Jul 25

In this paper we [Daniel Gruss, Clémentine Maurice, Stefan Mangard] present Rowhammer.js, a JavaScript-based implementation of the Rowhammer attack. Our attack uses an eviction strategy found by a generic algorithm that improves the eviction rate compared to existing eviction strategies from 95.2% to 99.99%. Rowhammer.js is the first remote software-induced hardware-fault attack. In contrast to other fault attacks it does not require physical access to the machine, or the execution of native code or access to special instructions. As JavaScript-based fault attacks can be performed on millions of users stealthily and simultaneously, we propose countermeasures that can be implemented immediately.

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