ISOLATION ATTACKS GRAD SEC OCT 03 2017 TODAYS PAPERS ROWHAMMER - - PowerPoint PPT Presentation

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ISOLATION ATTACKS GRAD SEC OCT 03 2017 TODAYS PAPERS ROWHAMMER - - PowerPoint PPT Presentation

Jan 22, 2023 554 likes •756 views

ISOLATION ATTACKS GRAD SEC OCT 03 2017 TODAYS PAPERS ROWHAMMER ROWHAMMER ROWHAMMER ROWHAMMER Bit Flip ROWHAMMER A hardware glitch Causes charge to leak in DRAM DRAM row activations cause bit flips ROWHAMMER + NACL ROWHAMMER +

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SLIDE 1

ISOLATION
 ATTACKS

GRAD SEC

OCT 03 2017

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SLIDE 2

TODAY’S PAPERS

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SLIDE 3

ROWHAMMER

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SLIDE 4

ROWHAMMER

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SLIDE 5

ROWHAMMER

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SLIDE 6

ROWHAMMER

Bit Flip

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SLIDE 7

ROWHAMMER

A hardware glitch Causes charge to leak in DRAM DRAM row activations cause bit flips

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SLIDE 8

ROWHAMMER + NACL

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SLIDE 9

ROWHAMMER + NACL

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SLIDE 10

ROWHAMMER + NACL

Insert ROP-like gadgets in your own code

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SLIDE 11

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 12

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 13

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 14

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 15

ROWHAMMER + MEMORY DEDUPLICATION

Copy-on-write (COW) ensures isolation

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SLIDE 16

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 17

ROWHAMMER + MEMORY DEDUPLICATION

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SLIDE 18

ROWHAMMER + MEMORY DEDUPLICATION

Rowhammer breaks COW

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SLIDE 19

FLIP FENG SHUI

See the demo starting
 at about 17:00

https://www.usenix.org/conference/ usenixsecurity16/technical-sessions/ presentation/razavi Exploits memory deduplication
 + Rowhammer to attack a
 co-resident VM