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    Gentoo: GLSA-202004-04: Qt WebEngine: Arbitrary code execution

    Date 01 Apr 2020
    318
    Posted By LinuxSecurity Advisories
    A heap use-after-free flaw in Qt WebEngine at worst might allow an attacker to execute arbitrary code.
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    Gentoo Linux Security Advisory                           GLSA 202004-04
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: Qt WebEngine: Arbitrary code execution
         Date: April 01, 2020
         Bugs: #699328
           ID: 202004-04
    
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    Synopsis
    ========
    
    A heap use-after-free flaw in Qt WebEngine at worst might allow an
    attacker to execute arbitrary code.
    
    Background
    ==========
    
    Library for rendering dynamic web content in Qt5 C++ and QML
    applications.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  dev-qt/qtwebengine           < 5.14.1                  >= 5.14.1
    
    Description
    ===========
    
    A use-after-free vulnerability has been found in the audio component of
    Qt WebEngine.
    
    Impact
    ======
    
    A remote attacker could entice a user to open a specially crafted media
    file in an application linked against Qt WebEngine, 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 Qt WebEngine users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-qt/qtwebengine-5.14.1"
    
    References
    ==========
    
    [ 1 ] CVE-2019-13720
          https://nvd.nist.gov/vuln/detail/CVE-2019-13720
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202004-04
    
    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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