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"
}
]
}