ArchLinux: 201906-18: firefox: arbitrary code execution

    Date19 Jun 2019
    CategoryArchLinux
    532
    Posted ByLinuxSecurity Advisories
    The package firefox before version 67.0.3-1 is vulnerable to arbitrary code execution.
    Arch Linux Security Advisory ASA-201906-18
    ==========================================
    
    Severity: Critical
    Date    : 2019-06-19
    CVE-ID  : CVE-2019-11707
    Package : firefox
    Type    : arbitrary code execution
    Remote  : Yes
    Link    : https://security.archlinux.org/AVG-994
    
    Summary
    =======
    
    The package firefox before version 67.0.3-1 is vulnerable to arbitrary
    code execution.
    
    Resolution
    ==========
    
    Upgrade to 67.0.3-1.
    
    # pacman -Syu "firefox>=67.0.3-1"
    
    The problem has been fixed upstream in version 67.0.3.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    A type confusion vulnerability can occur when manipulating JavaScript
    objects due to issues in Array.pop, in Firefox before 67.0.3. This can
    allow for an exploitable crash. Mozilla has been made aware of targeted
    attacks in the wild abusing this flaw.
    
    Impact
    ======
    
    A remote attacker can execute arbitrary code via crafted Javascript
    code.
    
    References
    ==========
    
    https://www.mozilla.org/en-US/security/advisories/mfsa2019-18
    https://www.mozilla.org/en-US/security/advisories/mfsa2019-18/#CVE-2019-11707
    https://bugzilla.mozilla.org/show_bug.cgi?id=1544386
    https://security.archlinux.org/CVE-2019-11707
    
    
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