OESA-2021-1063

    Dashboard / Vulnerabilities / OESA-2021-1063

    OESA-2021-1063

    Published: 5 Mar 2021Last Modified: 18 Aug 2026

    Summary: opensc security update

    Details: OpenSC provides a set of libraries and utilities to work with smart cards. Its main focus is on cards that support cryptographic operations, and facilitate their use in security applications such as authentication, mail encryption and digital signatures. OpenSC implements the standard APIs to smart cards, e.g. PKCS#11 API, Windows’ Smart Card Minidriver and macOS Tokend. Security Fix(es): The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.(CVE-2020-26571) The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.(CVE-2020-26572)

    References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1063, https://nvd.nist.gov/vuln/detail/CVE-2020-26571, https://nvd.nist.gov/vuln/detail/CVE-2020-26572

    Affected packages

    Package

    Name: opensc

    Purl: pkg:rpm/openEuler/opensc&distro=openEuler-20.03-LTS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.20.0-6.oe1

    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
    OESA-2021-1063 | CVE-DB