Ubuntu 3260-1: Firefox vulnerabilities

    Date21 Apr 2017
    CategoryUbuntu
    47
    Posted ByLinuxSecurity Advisories
    Firefox could be made to crash or run programs as your login if it opened a malicious website.
    ==========================================================================
    Ubuntu Security Notice USN-3260-1
    April 21, 2017
    
    firefox vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.10
    - 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:
    
    Multiple security issues were discovered in Firefox. If a user were
    tricked in to opening a specially crafted website, an attacker could
    potentially exploit these to read uninitialized memory, obtain sensitive
    information, spoof the addressbar contents or other UI elements, escape
    the sandbox to read local files, conduct cross-site scripting (XSS)
    attacks, cause a denial of service via application crash, or execute
    arbitrary code. (CVE-2017-5429, CVE-2017-5430, CVE-2017-5432,
    CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437,
    CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442,
    CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447,
    CVE-2017-5448, CVE-2017-5449, CVE-2017-5451, CVE-2017-5453, CVE-2017-5454,
    CVE-2017-5455, CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460,
    CVE-2017-5461, CVE-2017-5464, CVE-2017-5465, CVE-2017-5466, CVE-2017-5467,
    CVE-2017-5468, CVE-2017-5469)
    
    A flaw was discovered in the DRBG number generation in NSS. If an
    attacker were able to perform a man-in-the-middle attack, this flaw
    could potentially be exploited to view sensitive information.
    (CVE-2017-5462)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      firefox                         53.0+build6-0ubuntu0.17.04.1
    
    Ubuntu 16.10:
      firefox                         53.0+build6-0ubuntu0.16.10.1
    
    Ubuntu 16.04 LTS:
      firefox                         53.0+build6-0ubuntu0.16.04.1
    
    Ubuntu 14.04 LTS:
      firefox                         53.0+build6-0ubuntu0.14.04.1
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3260-1
      CVE-2017-5429, CVE-2017-5430, CVE-2017-5432, CVE-2017-5433,
      CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437,
      CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441,
      CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445,
      CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449,
      CVE-2017-5451, CVE-2017-5453, CVE-2017-5454, CVE-2017-5455,
      CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460,
      CVE-2017-5461, CVE-2017-5462, CVE-2017-5464, CVE-2017-5465,
      CVE-2017-5466, CVE-2017-5467, CVE-2017-5468, CVE-2017-5469
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/53.0+build6-0ubuntu0.17.04.1
      https://launchpad.net/ubuntu/+source/firefox/53.0+build6-0ubuntu0.16.10.1
      https://launchpad.net/ubuntu/+source/firefox/53.0+build6-0ubuntu0.16.04.1
      https://launchpad.net/ubuntu/+source/firefox/53.0+build6-0ubuntu0.14.04.1
    
    
    
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