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Vulnerability Details : CVE-2017-9230

** DISPUTED ** 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.
Publish Date : 2017-05-24 Last Update Date : 2018-06-13
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 338

- Products Affected By CVE-2017-9230

# Product Type Vendor Product Version Update Edition Language
1 Application Bitcoin Bitcoin - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Bitcoin Bitcoin 1

- References For CVE-2017-9230

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014352.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014351.html
http://www.securityfocus.com/bid/98657
BID 98657 Bitcoin Proof-of-Work Algorithm CVE-2017-9230 Security Weakness Release Date:2017-05-24
https://arxiv.org/ftp/arxiv/papers/1604/1604.00575.pdf
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-April/013996.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014349.html
http://www.mit.edu/~jlrubin//public/pdfs/Asicboost.pdf

- Metasploit Modules Related To CVE-2017-9230

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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