Ubuntu 4064-1: Thunderbird vulnerabilities

    Date17 Jul 2019
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Thunderbird.
    Ubuntu Security Notice USN-4064-1
    July 17, 2019
    thunderbird vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 19.04
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    Several security issues were fixed in Thunderbird.
    Software Description:
    - thunderbird: Mozilla Open Source mail and newsgroup client
    A sandbox escape was discovered in Thunderbird. If a user were tricked in to
    installing a malicious language pack, an attacker could exploit this to
    gain additional privileges. (CVE-2019-9811)
    Multiple security issues were discovered in Thunderbird. If a user were
    tricked in to opening a specially crafted website in a browsing context,
    an attacker could potentially exploit these to cause a denial of service,
    bypass same origin restrictions, conduct cross-site scripting (XSS)
    attacks, spoof origin attributes, or execute arbitrary code.
    (CVE-2019-11709, CVE-2019-11711, CVE-2019-11712, CVE-2019-11713,
    CVE-2019-11715, CVE-2019-11717)
    It was discovered that NSS incorrectly handled importing certain
    curve25519 private keys. An attacker could exploit this issue to cause
    Thunderbird to crash, resulting in a denial of service, or possibly
    obtain sensitive information. (CVE-2019-11719)
    It was discovered that NSS incorrectly handled certain p256-ECDH public
    keys. An attacker could possibly exploit this issue to cause Thunderbird
    to crash, resulting in a denial of service. (CVE-2019-11729)
    It was discovered that Thunderbird treats all files in a directory as same
    origin. If a user were tricked in to downloading a specially crafted HTML
    file, an attacker could potentially exploit this to obtain sensitive
    information from local files. (CVE-2019-11730)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 19.04:
      thunderbird                     1:60.8.0+build1-0ubuntu0.19.04.1
    Ubuntu 18.10:
      thunderbird                     1:60.8.0+build1-0ubuntu0.18.10.1
    Ubuntu 18.04 LTS:
      thunderbird                     1:60.8.0+build1-0ubuntu0.18.04.1
    Ubuntu 16.04 LTS:
      thunderbird                     1:60.8.0+build1-0ubuntu0.16.04.2
    After a standard system update you need to restart Thunderbird to make
    all the necessary changes.
      CVE-2019-11709, CVE-2019-11711, CVE-2019-11712, CVE-2019-11713,
      CVE-2019-11715, CVE-2019-11717, CVE-2019-11719, CVE-2019-11729,
      CVE-2019-11730, CVE-2019-9811
    Package Information:
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