The Bitcoin Proof-of-Work algorithm does not consider a certain attack methodology related to 80-byte block headers with a variety of initial 64-byte chunks followed by the same 16-byte chunk, multiple candidate root values ending with the same 4 bytes, and calculations involving sqrt numbers. This violates the security assumptions of (1) the choice of input, outside of the dedicated nonce area, fed into the Proof-of-Work function should not change its difficulty to evaluate and (2) every Proof-of-Work function execution should be independent. NOTE: a number of persons feel that this methodology is a benign mining optimization, not a vulnerability
References
Link | Resource |
---|---|
http://www.mit.edu/~jlrubin//public/pdfs/Asicboost.pdf | Technical Description |
http://www.securityfocus.com/bid/98657 | Third Party Advisory VDB Entry |
https://arxiv.org/ftp/arxiv/papers/1604/1604.00575.pdf | Technical Description |
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-April/013996.html | Mailing List Technical Description Third Party Advisory |
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014349.html | Mailing List Third Party Advisory |
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014351.html | Mailing List Third Party Advisory |
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014352.html | Mailing List Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2017-05-24T16:00:00
Updated: 2024-06-04T17:11:52.036Z
Reserved: 2017-05-24T00:00:00
Link: CVE-2017-9230
JSON object: View
NVD Information
Status : Modified
Published: 2017-05-24T16:29:00.180
Modified: 2024-06-04T19:16:55.253
Link: CVE-2017-9230
JSON object: View
Redhat Information
No data.
CWE