An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "50.0+build2-0ubuntu0.14.04.2", "binary_name": "firefox" }, { "binary_version": "50.0+build2-0ubuntu0.14.04.2", "binary_name": "firefox-dev" }, { "binary_version": "50.0+build2-0ubuntu0.14.04.2", "binary_name": "firefox-globalmenu" }, { "binary_version": "50.0+build2-0ubuntu0.14.04.2", "binary_name": "firefox-mozsymbols" }, { "binary_version": "50.0+build2-0ubuntu0.14.04.2", "binary_name": "firefox-testsuite" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "50.0+build2-0ubuntu0.16.04.2", "binary_name": "firefox" }, { "binary_version": "50.0+build2-0ubuntu0.16.04.2", "binary_name": "firefox-dev" }, { "binary_version": "50.0+build2-0ubuntu0.16.04.2", "binary_name": "firefox-globalmenu" }, { "binary_version": "50.0+build2-0ubuntu0.16.04.2", "binary_name": "firefox-mozsymbols" }, { "binary_version": "50.0+build2-0ubuntu0.16.04.2", "binary_name": "firefox-testsuite" } ] }