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    Gentoo: GLSA-202101-06: Ark: Symlink vulnerability

    Date 10 Jan 2021
    204
    Posted By LinuxSecurity Advisories
    Ark was found to allow arbitrary file overwrite, possibly allowing arbitrary code execution.
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    Gentoo Linux Security Advisory                           GLSA 202101-06
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: Ark: Symlink vulnerability
         Date: January 11, 2021
         Bugs: #743959
           ID: 202101-06
    
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    Synopsis
    ========
    
    Ark was found to allow arbitrary file overwrite, possibly allowing
    arbitrary code execution.
    
    Background
    ==========
    
    Ark is a graphical file compression/decompression utility with support
    for multiple formats.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  kde-apps/ark               < 20.04.3-r2            >= 20.04.3-r2
    
    Description
    ===========
    
    KDE Ark did not fully verify symlinks contained within tar archives.
    
    Impact
    ======
    
    A remote attacker could entice a user to open a specially crafted tar
    archive using KDE Ark, 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 KDE Ark users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=kde-apps/ark-20.04.3-r2"
    
    References
    ==========
    
    [ 1 ] CVE-2020-24654
          https://nvd.nist.gov/vuln/detail/CVE-2020-24654
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202101-06
    
    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 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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