CLSA-2023-1698945053

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    CLSA-2023-1698945053

    Published: 2 Nov 2023Last Modified: 1 Jun 2026

    Summary: libgcrypt: Fix of 4 CVEs

    Details: - CVE-2013-4576: Normalize the MPIs to prevent possible side-channel attacks - CVE-2014-3591: Use ciphertext blinding for Elgamal to prevent possible side-channel attacks - CVE-2021-33560: Use of smaller K for ephemeral key in ElGamal prevent generation of weak keys - CVE-2021-40528: Add exponent blinding as well to mitigate side-channel attack on mpi_powm - tests: Add a benchmark for Elgamal

    References: https://errata.cloudlinux.com/centos7-els/CLSA-2023-1698945053.html

    Affected packages

    Package

    Name: libgcrypt

    Purl: pkg:rpm/tuxcare/libgcrypt?distro=centos-7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.5.3-14.el7.tuxcare.els1

    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
    CLSA-2023-1698945053 | CVE-DB