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    Gentoo: GLSA-202009-16: LinuxCIFS: Shell injection

    Date
    87
    Posted By
    A vulnerability in LinuxCIFS may allow a remote code execution via a command line option.
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    Gentoo Linux Security Advisory                           GLSA 202009-16
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: LinuxCIFS: Shell injection
         Date: September 29, 2020
         Bugs: #743211
           ID: 202009-16
    
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    Synopsis
    ========
    
    A vulnerability in LinuxCIFS may allow a remote code execution via a
    command line option.
    
    Background
    ==========
    
    The LinuxCIFS utils are a collection of tools for managing Linux CIFS
    Client Filesystems.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-fs/cifs-utils             < 6.11                     >= 6.11
    
    Description
    ===========
    
    The mount.cifs utility had a shell injection issue where one can embed
    shell commands via the username mount option. Those commands will be
    run via popen() in the context of the user calling mount.
    
    Impact
    ======
    
    A remote attacker could entice a user to use a specially crafted
    argument using mount.cifs, possibly resulting in execution of arbitrary
    code with the privileges of the process or a Denial of Service
    condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All LinuxCIFS users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-fs/cifs-utils-6.11"
    
    References
    ==========
    
    [ 1 ] CVE-2020-14342
          https://nvd.nist.gov/vuln/detail/CVE-2020-14342
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202009-16
    
    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
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2020 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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