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    2 vulnerabilities by lucky9

    CVE-2018-17071 (GCVE-0-2018-17071)

    Vulnerability from nvd – Published: 2018-09-18 21:00 – Updated: 2024-08-05 10:39
    VLAI
    Summary
    The fallback function of a simple lottery smart contract implementation for Lucky9io, an Ethereum gambling game, generates a random value with the publicly readable variable entry_number. This variable is private, yet it is readable by eth.getStorageAt function. Also, attackers can purchase a ticket at a low price by directly calling the fallback function with small msg.value, because the developer set the currency unit incorrectly. Therefore, it allows attackers to always win and get rewards.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-09-17 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2018-17071 (GCVE-0-2018-17071)

    Vulnerability from cvelistv5 – Published: 2018-09-18 21:00 – Updated: 2024-08-05 10:39
    VLAI
    Summary
    The fallback function of a simple lottery smart contract implementation for Lucky9io, an Ethereum gambling game, generates a random value with the publicly readable variable entry_number. This variable is private, yet it is readable by eth.getStorageAt function. Also, attackers can purchase a ticket at a low price by directly calling the fallback function with small msg.value, because the developer set the currency unit incorrectly. Therefore, it allows attackers to always win and get rewards.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-09-17 00:00
    Show details on NVD website
    To clipboard 

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