CVE-2018-12384

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    CVE-2018-12384

    Published: 29 Apr 2019Last Modified: 16 Apr 2026

    Summary:

    Details: When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.

    References: https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html, https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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