The vulnerability of the cross-browser system used for developing WebExtensions extensions in the Firefox ESR browser allows a hacker to circumvent existing security restrictions.

The vulnerability of the cross-browser system used for developing WebExtensions extensions in Firefox ESR is related to privilege assignment errors. Exploiting this vulnerability allows a malicious actor to circumvent existing security restrictions remotely...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

CVE-2018-18497

CVE-2018-18497 : In Firefox, limitations on URIs allowed to WebExtensions via the browser.windows.create API can be bypassed by placing a pipe in the URL field, causing multiple pages to load as a single argument. This may allow a malicious WebExtension to open privileged locations such as about:...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

CVE-2018-18497: Undefined Security Weakness

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Firefox vulnerabilities (USN-3844-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3844-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacke...

USN-3844-1: Firefox vulnerabilities

Multiple security issues were discovered 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, bypass same-origin restritions, or execute arbitrary code. CVE-2018-12405, CVE-2018-12406, CVE-2018-1240...

USN-3844-1 firefox vulnerabilities

Multiple security issues were discovered 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, bypass same-origin restritions, or execute arbitrary code. CVE-2018-12405, CVE-2018-12406, CVE-2018-1240...

UBUNTU-CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...

Mozilla Firefox WebExtensions SettingContent-ms Policy Bypass (CVE-2018-12368)

A policy bypass vulnerability exists in Mozilla Firefox. This vulnerability is due to a design weakness that allows a malicious WebExtension to open a SettingContent-ms file without a user prompt...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Firefox regressions (USN-3801-2)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3801-2 advisory. USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize...

USN-3801-2: Firefox regressions

USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafte...

USN-3801-2 firefox regressions

USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafte...

Ubuntu: Security Advisory (USN-3801-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Firefox vulnerabilities (USN-3801-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3801-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacke...

Mozilla: WebExtension local file permission check bypass

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This...

USN-3801-1: Firefox vulnerabilities

Multiple security issues were discovered 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, bypass CSP restrictions, spoof the protocol registration notification bar, leak SameSite cookies, bypass...