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  • [ GLSA 202105-37 ] Nextcloud Desktop Client: User-assisted execution of

    From Thomas Deutschmann@21:1/5 to All on Wed May 26 15:30:01 2021
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    Gentoo Linux Security Advisory GLSA 202105-37
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    https://security.gentoo.org/
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    Severity: Normal
    Title: Nextcloud Desktop Client: User-assisted execution of
    arbitrary code
    Date: May 26, 2021
    Bugs: #783531
    ID: 202105-37

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    Synopsis
    ========

    A vulnerability in Nextcloud Desktop Client could allow a remote
    attacker to execute arbitrary commands.

    Background
    ==========

    The Nextcloud Desktop Client is a tool to synchronize files from
    Nextcloud Server with your computer.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 net-misc/nextcloud-client
    < 3.1.3 >= 3.1.3

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

    It was discovered that Nextcloud Desktop Client did not validate URLs.

    Impact
    ======

    A remote attacker could entice a user to connect to a malicious
    Nextcloud server to cause the execution of arbitrary commands with the privileges of the user running the Nextcloud Desktop Client
    application.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All Nextcloud Desktop Client users should upgrade to the latest
    version:

    # emerge --sync
    # emerge --ask --oneshot -v ">=net-misc/nextcloud-client-3.1.3"

    References
    ==========

    [ 1 ] CVE-2021-22879
    https://nvd.nist.gov/vuln/detail/CVE-2021-22879

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

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

    https://security.gentoo.org/glsa/202105-37

    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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