From: Arthur Gervais <arthur.gervais@inf•ethz.ch>
To: <bitcoin-development@lists•sourceforge.net>
Cc: Ghassan Karame <ghassan@karame•org>,
Hubert Ritzdorf <rihubert@inf•ethz.ch>
Subject: [Bitcoin-development] Double-Spending Fast Payments in Bitcoin due to Client versions 0.8.1
Date: Thu, 27 Jun 2013 12:23:34 +0200 [thread overview]
Message-ID: <51CC12A6.3090100@inf.ethz.ch> (raw)
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Dear Bitcoin developers,
We would like to report a vulnerability which might lead, under some
assumptions, to a double-spending attack in a fast payment scenario.
The vulnerability has been introduced due to signature encoding
incompatibilities between versions 0.8.2 (or 0.8.3) and earlier
Bitcoin versions.
Please find at the following link a detailed description of this
vulnerability:
ftp://ftp.inf.ethz.ch/pub/publications/tech-reports/7xx/789.pdf
We contacted and informed Gavin earlier about this problem.
With best regards,
Arthur Gervais
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next reply other threads:[~2013-06-27 10:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-27 10:23 Arthur Gervais [this message]
2013-06-27 11:04 ` Gregory Maxwell
2013-06-27 16:03 ` Arthur Gervais
2013-06-27 16:13 ` Gregory Maxwell
2013-06-27 16:16 ` Jeff Garzik
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