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    CVE-2016-20013

    sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU consumption) because the algorithm's runtime is proportional to the square of the length of the password.

    Published:Feb 19, 2022
    Last Modified:Nov 21, 2024
    EPS:Feb 19, 2022
    EPSS Score:0.00202
    CVSS Score:7.5

    Affected Products

    Vendor
    Sha256crypt Project
    Product
    Sha256crypt
    Vendor
    Sha512crypt Project
    Product
    Sha512crypt

    Exploits

    https://akkadia.org/drepper/SHA-crypt.txthttps://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/https://akkadia.org/drepper/SHA-crypt.txthttps://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/

    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