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  • [gentoo-announce] [ GLSA 202107-01 ] corosync: Denial of service

    From John Helmert III@21:1/5 to All on Mon Jul 5 05:00:02 2021
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    Gentoo Linux Security Advisory GLSA 202107-01
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    https://security.gentoo.org/
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    Severity: Low
    Title: corosync: Denial of service
    Date: July 03, 2021
    Bugs: #658354
    ID: 202107-01

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    Synopsis
    ========

    A vulnerability in corosync could lead to a Denial of Service
    condition.

    Background
    ==========

    The Corosync Cluster Engine is a Group Communication System with
    additional features for implementing high availability within
    applications.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 sys-cluster/corosync < 3.0.4 >= 3.0.4

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

    It was discovered that corosync allowed an unauthenticated user to
    cause a Denial of Service by application crash.

    Impact
    ======

    A remote attacker could send a malicious crafted packet, possibly
    resulting in a Denial of Service condition.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All corosync users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-cluster/corosync-3.0.4"

    References
    ==========

    [ 1 ] CVE-2018-1084
    https://nvd.nist.gov/vuln/detail/CVE-2018-1084

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

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

    https://security.gentoo.org/glsa/202107-01

    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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