CVE-2018-16421

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    CVE-2018-16421

    Published: 4 Sept 2018Last Modified: 7 Aug 2026

    Summary:

    Details: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.

    References: https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html, https://access.redhat.com/errata/RHSA-2019:2154, https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1, https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1, https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.18.0
    0.18.0-rc2
    0.18.0-rc1

    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