3 ms·
> But unfortunately, laptops have ports that have direct memory access, or DMA, including FireWire, USB, and others. USB doesn't exposes DMA. “Examples of con
by paulannesley 11y ago
> But unfortunately, laptops have ports that have direct memory access, or DMA, including FireWire, USB, and others.
USB doesn't exposes DMA.
“Examples of connections that may allow DMA in some exploitable form include FireWire, ExpressCard, Thunderbolt, PCI and PCI Express.” – http://en.wikipedia.org/wiki/DMA_attack http://en.wikipedia.org/wiki/DMA_attack
- paulannesley 11y agoRelated from 2006: Schneier on Security — Hacking Computers Over USB https://www.schneier.com/blog/archives/2006/06/hacking_compute.html https://www.schneier.com/blog/archives/2006/06/hacking_compu... The block-quote incorrectly mentions DMA over USB, but the described attack uses Windows AutoRun. The comments discuss a demonstrated FireWire iPod based DMA attack, and that USB doesn't expose DMA.