{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2019-9812", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox ESR", "version": { "version_data": [ { "version_value": "before 60.9" } ] } }, { "product_name": "Firefox ESR", "version": { "version_data": [ { "version_value": "before 68.1" } ] } }, { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "before 69" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Sandbox escape through Firefox Sync" } ] } ] }, "references": { "reference_data": [ { "refsource": "CONFIRM", "name": "https://www.mozilla.org/security/advisories/mfsa2019-25/", "url": "https://www.mozilla.org/security/advisories/mfsa2019-25/" }, { "refsource": "CONFIRM", "name": "https://www.mozilla.org/security/advisories/mfsa2019-27/", "url": "https://www.mozilla.org/security/advisories/mfsa2019-27/" }, { "refsource": "CONFIRM", "name": "https://www.mozilla.org/security/advisories/mfsa2019-26/", "url": "https://www.mozilla.org/security/advisories/mfsa2019-26/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1538015", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1538015" }, { "refsource": "CONFIRM", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1538008", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1538008" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered. This vulnerability affects Firefox ESR < 60.9, Firefox ESR < 68.1, and Firefox < 69." } ] } }