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Paper Abstract and Keywords
Presentation 2020-03-03 15:40
Effective single-sided RAMBleed
Hiroki Nagahama (Kobe Univ), Makoto Takita (Univ of Hyogo), Masanori Hirotomo (Saga Univ), Masakatsu Morii (Kobe Univ) ICSS2019-91
Abstract (in Japanese) (See Japanese page) 
(in English) There is a phenomenon called Rowhammer in which bit flip occurs in the neighboring row by repeatedly accessing the row of DRAM. Several attacks using this Rowhammer have been shown, all of which can be executed in software, and are a serious problem in the security of computer systems. As a kind of attack based on Rowhammer, a side channel attack called RAMBleed was proposed. RAMBleed allows other processes to start up during an attack and read the data they have. In this paper, we propose a modification of RAMBleed to reduce the number of invocations of victim processes. In the proposed method, an attacker sets a specific value in a memory area where information to be recovered is stored. In addition, we implement RAMBleed and the proposed method and compare them. As a result of the experiment, it was possible to recover the information in about 94% probability in either case. On the other hand, it was confirmed that the number of times to start the process of the attack object could be reduced to about half by the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) side channel attack / DRAM / Rowhammer / RAMBleed / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 437, ICSS2019-91, pp. 145-150, March 2020.
Paper # ICSS2019-91 
Date of Issue 2020-02-24 (ICSS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee ICSS IPSJ-SPT  
Conference Date 2020-03-02 - 2020-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Ken-Seinen-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, Trust, etc. 
Paper Information
Registration To ICSS 
Conference Code 2020-03-ICSS-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effective single-sided RAMBleed 
Sub Title (in English)  
Keyword(1) side channel attack  
Keyword(2) DRAM  
Keyword(3) Rowhammer  
Keyword(4) RAMBleed  
1st Author's Name Hiroki Nagahama  
1st Author's Affiliation Kobe University (Kobe Univ)
2nd Author's Name Makoto Takita  
2nd Author's Affiliation University of Hyogo (Univ of Hyogo)
3rd Author's Name Masanori Hirotomo  
3rd Author's Affiliation Saga University (Saga Univ)
4th Author's Name Masakatsu Morii  
4th Author's Affiliation Kobe University (Kobe Univ)
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Speaker Author-3 
Date Time 2020-03-03 15:40:00 
Presentation Time 20 minutes 
Registration for ICSS 
Paper # ICSS2019-91 
Volume (vol) vol.119 
Number (no) no.437 
Page pp.145-150 
Date of Issue 2020-02-24 (ICSS) 

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