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CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0

11 Jun 2018 — Android intents can be used to launch Firefox for Android in reader mode with a user specified URL. This allows an attacker to spoof the contents of the addressbar as displayed to users. Note: This attack only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 53. • http://www.securityfocus.com/bid/97940 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

11 Jun 2018 — The Gecko Media Plugin sandbox allows access to local files that match specific regular expressions. On OS OX, this matching allows access to some data in subdirectories of "/private/var" that could expose personal or temporary data. This has been updated to not allow access to "/private/var" and its subdirectories. Note: this issue only affects OS X. Other operating systems are not affected. • http://www.securityfocus.com/bid/96692 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

11 Jun 2018 — A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. This vulnerability affects Firefox < 53. Mecanismo para suplantar la barra de direcciones en Firefox para Android mediante un URI "javascript:". En Firefox para Android, el dominio base se analiza incorrectamente, lo que hace que sea menos visible q... • http://www.securityfocus.com/bid/97940 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 0

11 Jun 2018 — In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the "SEE_MASK_FLAG_NO_UI" flag associated with downloaded files and will not show any UI. Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior fr... • http://www.securityfocus.com/bid/104136 •

CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 0

11 Jun 2018 — An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. Error en "WindowsDllDetourPatcher", donde un bloque 4k RWX ("Read/Write/Execute") se asigna, pero nunca se proteje, violando las protecciones DEP. • http://www.securityfocus.com/bid/100243 • CWE-269: Improper Privilege Management •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 1

11 Jun 2018 — A previously installed malicious Android application with same signature-level permissions as Firefox can intercept AuthTokens meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50. Una aplicación Android maliciosa previamente instalada con los mismos permisos a nivel de firma que Firefox puede interceptar AuthTokens destinados solo a Firefox. • http://www.securityfocus.com/bid/94337 • CWE-275: Permission Issues •

CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 1

11 Jun 2018 — A mechanism where disruption of the loading of a new web page can cause the previous page's favicon and SSL indicator to not be reset when the new page is loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox < 50. Un mecanismo donde la interrupción de la carga de una nueva página web puede provocar que los indicadores favicon y SSL de la página anterior no se restablezcan. • http://www.securityfocus.com/bid/94337 • CWE-20: Improper Input Validation •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

11 Jun 2018 — An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation through the Mozilla Maintenance Service to allow for arbitrary file execution and deletion by the Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54. Un ataque que emplea la manipulación del contenido de "updater.ini"... • http://www.securityfocus.com/bid/99057 •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

11 Jun 2018 — The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. • http://www.securityfocus.com/bid/99057 • CWE-426: Untrusted Search Path •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 1

11 Jun 2018 — A previously installed malicious Android application which defines a specific signature-level permissions used by Firefox can access API keys meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50. Una aplicación Android maliciosa previamente instalada que define permisos específicos a nivel de firma empleados por Firefox puede acceder a claves API destinadas solo a Firefox. • http://www.securityfocus.com/bid/94337 • CWE-275: Permission Issues •