The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2373-1 advisory.

    Bobby Holley, Christian Holler, David Bolter, Byron Campen and Jon Coppeard discovered multiple memory     safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with     scripting enabled, an attacker could potentially exploit these to cause a denial of service via     application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird.
    (CVE-2014-1574)

    Atte Kettunen discovered a buffer overflow during CSS manipulation. If a user were tricked in to opening a     specially crafted message, an attacker could potentially exploit this to cause a denial of service via     application crash or execute arbitrary code with the privileges of the user invoking Thunderbird.
    (CVE-2014-1576)

    Holger Fuhrmannek discovered an out-of-bounds read with Web Audio. If a user were tricked in to opening a     specially crafted message with scripting enabled, an attacker could potentially exploit this to steal     sensitive information. (CVE-2014-1577)

    Abhishek Arya discovered an out-of-bounds write when buffering WebM video in some circumstances. If a user     were tricked in to opening a specially crafted message with scripting enabled, an attacker could     potentially exploit this to cause a denial of service via application crash or execute arbitrary code with     the privileges of the user invoking Thunderbird. (CVE-2014-1578)

    A use-after-free was discovered during text layout in some circumstances. If a user were tricked in to     opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to     cause a denial of service via application crash or execute arbitrary code with the privileges of the user     invoking Thunderbird. (CVE-2014-1581)

    Eric Shepherd and Jan-Ivar Bruaroey discovered issues with video sharing via WebRTC in iframes, where     video continues to be shared after being stopped and navigating to a new site doesn't turn off the camera.
    An attacker could potentially exploit this to access the camera without the user being aware.
    (CVE-2014-1585, CVE-2014-1586)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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Ubuntu 14.04 LTS : Thunderbird vulnerabilities (USN-2373-1)

high Nessus Plugin ID 78504

Version 1.18