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    CVE-2019-14318

    Crypto++ 8.3.0 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because scalar multiplication in ecp.cpp (prime field curves, small leakage) and algebra.cpp (binary field curves, large leakage) is not constant time and leaks the bit length of the scalar among other information.

    Published:Jul 30, 2019
    Last Modified:Nov 21, 2024
    EPS:Jul 30, 2019
    EPSS Score:0.02374
    CVSS Score:5.9

    Affected Products

    Vendor
    Cryptopp
    Product
    Crypto\+\+

    Exploits

    https://eprint.iacr.org/2011/232.pdfhttps://eprint.iacr.org/2011/232.pdf

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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