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  • [gentoo-announce] [ GLSA 202107-50 ] Singularity: Remote code execution

    From John Helmert III@21:1/5 to All on Thu Jul 22 07:00:04 2021
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    Gentoo Linux Security Advisory GLSA 202107-50
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    https://security.gentoo.org/
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    Severity: High
    Title: Singularity: Remote code execution
    Date: July 22, 2021
    Bugs: #792465
    ID: 202107-50

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    Synopsis
    ========

    A vulnerability in Singularity could result in remote code execution.

    Background
    ==========

    Singularity is the container platform for performance sensitive
    workloads.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 sys-cluster/singularity < 3.7.4 >= 3.7.4

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

    Singularity always uses the default remote endpoint,
    'cloud.syslabs.io', for action commands using the 'library://' URI
    rather than the configured remote endpoint.

    Impact
    ======

    An attacker that that can push a malicious container to the default
    remote endpoint could execute code on hosts that fetch the container.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All Singularity users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-cluster/singularity-3.7.4"

    References
    ==========

    [ 1 ] CVE-2021-32635
    https://nvd.nist.gov/vuln/detail/CVE-2021-32635

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

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

    https://security.gentoo.org/glsa/202107-50

    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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