CVE-2019-15947

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    CVE-2019-15947

    Published: 5 Sept 2019Last Modified: 8 Jul 2026

    Summary:

    Details: In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep "6231 0500" command.

    References: https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947, https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b, https://security.gentoo.org/glsa/202009-18, https://github.com/bitcoin/bitcoin/issues/16824

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 2472733a24a9364e4c6233ccd04166a26a68cc65
    Fixed -None

    Affected versions

    0.18.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High