
CVE-2017-7843 – Mozilla: Web worker in Private Browsing mode can write IndexedDB data
https://notcve.org/view.php?id=CVE-2017-7843
04 Dec 2017 — When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not cleared when exiting. This vulnerability affects Firefox ESR < 52.5.2 and Firefox < 57.0.1. Cuando se utiliza el modo Navegación Privada, es posible que un trabajador web escriba datos persistentes en IndexedDB y re... • http://www.securityfocus.com/bid/102039 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer •

CVE-2017-7830 – Mozilla: Cross-origin URL information leak through Resource Timing API (MFSA 2017-25)
https://notcve.org/view.php?id=CVE-2017-7830
16 Nov 2017 — The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5. La API Resource Timing revelaba incorrectamente las navegaciones en iframes cross-origin. Esta es una violación de la política same-origin y podría permitir el robo de datos de URL cargadas por los usuarios. • http://www.securityfocus.com/bid/101832 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2017-7826 – Mozilla: Memory safety bugs fixed in Firefox 57 and Firefox ESR 52.5 (MFSA 2017-25)
https://notcve.org/view.php?id=CVE-2017-7826
16 Nov 2017 — Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5. Se han informado de errores de seguridad de memoria en Firefox 56 y Firefox ESR 52.4. Algunos de estos errores mostraron evidencias de corrupción de memoria y se cree que, con el esfuerzo necesario, se ... • http://www.securityfocus.com/bid/101832 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2017-7828 – Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25)
https://notcve.org/view.php?id=CVE-2017-7828
16 Nov 2017 — A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando se alinea y redimensiona la disposición porque el objeto "PressShell'" se ha liberado cuando se estaba utilizando. Esto resulta en un... • http://www.securityfocus.com/bid/101832 • CWE-416: Use After Free •

CVE-2017-7823 – Mozilla: CSP sandbox directive did not create a unique origin (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7823
29 Sep 2017 — The content security policy (CSP) "sandbox" directive did not create a unique origin for the document, causing it to behave as if the "allow-same-origin" keyword were always specified. This could allow a Cross-Site Scripting (XSS) attack to be launched from unsafe content. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. La directiva CSP (Content Security Policy) "sandbox" no creaba un origen único para el documento, provocando que se comporte como si estuviera siempre es... • http://www.securityfocus.com/bid/101059 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVE-2017-7793 – Mozilla: Use-after-free with Fetch API (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7793
29 Sep 2017 — A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada en la API Fetch cuando el trabajador o la ventana asociada se liberan mientras siguen en uso, lo que resulta en un cierre inesperado potencialmente explotable. La vulnerabilidad afe... • http://www.securityfocus.com/bid/101055 • CWE-416: Use After Free •

CVE-2017-7814 – Mozilla: Blob and data URLs bypass phishing and malware protection warnings (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7814
29 Sep 2017 — File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise be detected as suspicious. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. Las descargas de archivos codificados con elementos URL "blob:" y "data:" omitían las comprobaciones de... • http://www.securityfocus.com/bid/101059 • CWE-20: Improper Input Validation CWE-494: Download of Code Without Integrity Check •

CVE-2017-7818 – Mozilla: Use-after-free during ARIA array manipulation (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7818
29 Sep 2017 — A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando se manipulan arrays de elementos ARIA (Accesible Rich Internet Applications) en los contenedores mediante el DOM. Esto resulta en un cierre i... • http://www.securityfocus.com/bid/101055 • CWE-416: Use After Free •

CVE-2017-7819 – Mozilla: Use-after-free while resizing images in design mode (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7819
29 Sep 2017 — A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando los objetos imagen se redimensionan si los objetos referenciados durante el redimensionamiento se han liberado de la memoria. Esto resulta en... • http://www.securityfocus.com/bid/101055 • CWE-416: Use After Free •

CVE-2017-7824 – Mozilla: Buffer overflow when drawing and validating elements with ANGLE (MFSA 2017-22)
https://notcve.org/view.php?id=CVE-2017-7824
29 Sep 2017 — A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. Ocurre un desbordamiento de búfer cuando se dibujan y validan elementos con la librería de gráficos ANGLE, utilizado para contenidos WebGL. Esto se debe a que se pasa un valor inco... • http://www.securityfocus.com/bid/101053 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •