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  • [ GLSA 202103-03 ] OpenSSL: Multiple vulnerabilities

    From Thomas Deutschmann@21:1/5 to All on Wed Mar 31 14:30:01 2021
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    Gentoo Linux Security Advisory GLSA 202103-03
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    https://security.gentoo.org/
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    Severity: Normal
    Title: OpenSSL: Multiple vulnerabilities
    Date: March 31, 2021
    Bugs: #769785, #777681
    ID: 202103-03

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    Synopsis
    ========

    Multiple vulnerabilities have been found in OpenSSL, the worst of which
    could allow remote attackers to cause a Denial of Service condition.

    Background
    ==========

    OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
    (SSL v2/v3) and Transport Layer Security (TLS v1/v1.1/v1.2/v1.3) as
    well as a general purpose cryptography library.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 dev-libs/openssl < 1.1.1k >= 1.1.1k

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

    Multiple vulnerabilities have been discovered in OpenSSL. Please review
    the CVE identifiers referenced below for details.

    Impact
    ======

    Please review the referenced CVE identifiers for details.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All OpenSSL users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.1.1k"

    References
    ==========

    [ 1 ] CVE-2021-23840
    https://nvd.nist.gov/vuln/detail/CVE-2021-23840
    [ 2 ] CVE-2021-23841
    https://nvd.nist.gov/vuln/detail/CVE-2021-23841
    [ 3 ] CVE-2021-3449
    https://nvd.nist.gov/vuln/detail/CVE-2021-3449
    [ 4 ] CVE-2021-3450
    https://nvd.nist.gov/vuln/detail/CVE-2021-3450

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

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

    https://security.gentoo.org/glsa/202103-03

    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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