CVE-2016-5250

Mozilla Firefox en versiones anteriores a la 48.0, Firefox ESR en versiones anteriores a la 45.4 y Thunderbird en versiones anteriores a la 45.4 permiten que los atacantes remotos obtengan información sensible sombre la página previamente recuperada mediante llamadas a la API Resource Timing.

Catalin Dumitru discovered that URLs of resources loaded after a navigation start could be leaked to the following page via the Resource Timing API. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to obtain sensitive information. Christoph Diehl, Andrew McCreight, Dan Minor, Byron Campen, Jon Coppeard, Steve Fink, Tyson Smith, and Carsten Book discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.