SAC09 - 24th Annual ACM Symposium on Applied Computing SAC...

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Taking Total Control of Voting Systems:  Firmware Manipulations on an  Optical Scan Voting Terminal Nicolas Nicolaou Voting Technology Research (VoTeR) Center Department of Computer Science and Engineering University of Connecticut http://voter.engr.uconn.edu 24th Annual ACM Symposium on Applied Computing SAC 2009, Honolulu, Hawaii Joint work with: Seda Davtyan, Sotiris Kentros, Aggelos Kiayias, Laurent Michel, Alexander Russell, Narasimha Shashidhar, Andrew See and Alexander A. Shvartsman
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Motivation Electronic Voting Technologies Direct Recording Electronic (DRE) Touch Screen w/ or w/out printer, not directly voter-verifiable Optical Scan (OS) tabulator VVPAT – Voter Verifiable Paper Audit Trail Used in over 50% of counties in 2008 Case Study, Premier AccuVote-OS (AVOS): Wide use in US elections, but… C an be tampered with if memory card is removed [Hursti’05] Can be tampered with if memory card is sealed in [EVT’07] Reports by other workers and CA, CT, FL, AL,… Safe-use procedures can be followed, but all under the assumption that firmware is trusted 01/17/12 2 VoTeR Center – SAC’09
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Question Can the  Can the  Firmware Firmware  of Voting Machines be   of Voting Machines be  Trusted Trusted ? ? In particular: Can the  In particular: Can the  Firmware Firmware  of   of  AccuVote tabulator be  AccuVote tabulator be  Trusted Trusted ? ? 01/17/12 3 VoTeR Center – SAC’09 Work performed by the UConn VoTeR Center on request of the Connecticut Secretary of the State as a part of the overall effort to evaluate voting equipment, and to enable and perform effective technological audits, pre- and post-election.
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Our Findings Firmware of AVOS can be analyzed Without access to vendor specifications or source code Using off-the-shelf third party tools (<$300)
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This note was uploaded on 01/17/2012 for the course ECON 002 taught by Professor Eudey during the Fall '08 term at UPenn.

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SAC09 - 24th Annual ACM Symposium on Applied Computing SAC...

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