An issue where a "<select>" dropdown menu can be used to cover location bar content, resulting in potential spoofing attacks. This attack requires e10s to be enabled in order to function. This vulnerability affects Firefox < 50.
Un problema por el cual un menú desplegable "" puede emplearse para cubrir el contenido de la barra de direcciones, lo que resulta en potenciales ataques de suplantación. Este ataque requiere que los e10s estén habilitados para tener éxito. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50.
Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. A same-origin policy bypass was discovered with local HTML files in some circumstances. An attacker could potentially exploit this to obtain sensitive information. Various other issues were also addressed.