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DEFCON 19: Bit-squatting: DNS Hijacking Without Exploitation (w speaker)

Christiaan008 · 24.2K views · 2012-02-09 · 45:14

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Overview

Artem Dinaburg's DEF CON 19 talk on bit-squatting, where flipped bits in DRAM cause devices to contact domains that differ by one bit from legitimate ones. He shows how registering such domains can hijack traffic without exploiting any software bug.

On Hacker News

HN cites it in ECC memory debates and bit-flip discussions as concrete evidence that memory errors have real security consequences.

Recommended by 2 HN people across 2 months · HN mentions 2016–2024

Topics

Security & hackingNetworking & internet infrastructure
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bitsquattingecc memorydefcondnshardware faults

What people said

sithadmin · 2021-09 · Recommendation

There was a good Defcon talk about some security implications of this phenomenon (specifically, DNS squatting) around a decade ago: [VIDEO]

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auganov · 2017-05 · Recommendation

I'm sure all of you who love debating ECC will enjoy this defcon video: [VIDEO] "DEFCON 19: Bit-squatting: DNS Hijacking Without Exploitation (w speaker)"

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hi-v-rocknroll · 2024-05 · Reference

Other references: [LINK] (2001) DEF CON 19 - Artem Dinaburg - Bit-squatting DNS Hijacking Without Exploitation (2011) [VIDEO] [LINK]

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Sources

Video by Christiaan008, played through YouTube.

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