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  • [gentoo-announce] [ GLSA 202107-10 ] TCG TPM2 Software Stack: Informati

    From Sam James@21:1/5 to All on Wed Jul 7 10:20:02 2021
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    Gentoo Linux Security Advisory GLSA 202107-10
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    https://security.gentoo.org/
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    Severity: Normal
    Title: TCG TPM2 Software Stack: Information disclosure
    Date: July 07, 2021
    Bugs: #746563
    ID: 202107-10

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    Synopsis
    ========

    A bug in TCG TPM2 Software Stack may result in information disclosure
    to a local attacker.

    Background
    ==========

    TCG TPM2 Software Stack is a library to interface with trusted platform modules.

    Affected packages
    =================

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 app-crypt/tpm2-tss < 2.4.3 >= 2.4.3

    Description
    ===========

    TCG TPM2 Software Stack did not appropriately apply FAPI policies to
    protect data encrypted with the trusted platform module.

    Impact
    ======

    Data encrypted using TCG TPM2 Software Stack (tpm2-tss) may not be
    protected from an attacker.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All tpm2-tss users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-crypt/tpm2-tss-2.4.3"

    References
    ==========

    [ 1 ] CVE-2020-24455
    https://nvd.nist.gov/vuln/detail/CVE-2020-24455

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

    https://security.gentoo.org/glsa/202107-10

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2021 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    https://creativecommons.org/licenses/by-sa/2.5


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