If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
{
"binaries": [
{
"binary_version": "69.0+build2-0ubuntu0.16.04.4",
"binary_name": "firefox"
},
{
"binary_version": "69.0+build2-0ubuntu0.16.04.4",
"binary_name": "firefox-dev"
},
{
"binary_version": "69.0+build2-0ubuntu0.16.04.4",
"binary_name": "firefox-geckodriver"
},
{
"binary_version": "69.0+build2-0ubuntu0.16.04.4",
"binary_name": "firefox-mozsymbols"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_version": "69.0+build2-0ubuntu0.18.04.1",
"binary_name": "firefox"
},
{
"binary_version": "69.0+build2-0ubuntu0.18.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "69.0+build2-0ubuntu0.18.04.1",
"binary_name": "firefox-geckodriver"
},
{
"binary_version": "69.0+build2-0ubuntu0.18.04.1",
"binary_name": "firefox-mozsymbols"
}
],
"availability": "No subscription required"
}