Ubuntu 3778-1: Firefox vulnerabilities

    Date 03 Oct 2018
    2051
    Posted By Anthony Pell
    Firefox could be made to crash or run programs as your login if it opened a malicious website.
    ==========================================================================
    Ubuntu Security Notice USN-3778-1
    October 03, 2018
    
    firefox vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Firefox could be made to crash or run programs as your login if it
    opened a malicious website.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    A crash was discovered in TransportSecurityInfo used for SSL, which could
    be triggered by data stored in the local cache directory. An attacker
    could potentially exploit this in combination with another vulnerability
    that allowed them to write data to the cache, to execute arbitrary code.
    (CVE-2018-12385)
    
    A type confusion bug was discovered in JavaScript. If a user were tricked
    in to opening a specially crafted website, an attacker could exploit this
    to cause a denial of service, or execute arbitrary code. (CVE-2018-12386)
    
    It was discovered that the Array.prototype.push could leak memory
    addresses to the calling function in some circumstances. An attacker could
    exploit this in combination with another vulnerability to help execute
    arbitrary code. (CVE-2018-12387)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      firefox                         62.0.3+build1-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      firefox                         62.0.3+build1-0ubuntu0.16.04.2
    
    Ubuntu 14.04 LTS:
      firefox                         62.0.3+build1-0ubuntu0.14.04.2
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3778-1
      CVE-2018-12385, CVE-2018-12386, CVE-2018-12387
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.18.04.1
      https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.16.04.2
      https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.14.04.2
    
    
    

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