{"id":"CVE-2020-6830","state":"PUBLISHED","title":"For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also","description":"For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also, but it isn't needed in this case, and its usage was also leaking this token. This vulnerability affects Firefox for iOS < 25.","publishedAt":"2020-05-26T17:06:52.000Z","updatedAt":"2024-08-04T09:11:05.047Z","severity":null,"assigner":"mozilla","products":["Mozilla Firefox for iOS"],"affected":[{"vendor":"Mozilla","product":"Firefox for iOS","versions":[{"version":"unspecified","status":"affected","lessThan":"25","versionType":"custom"}]}],"references":["https://www.mozilla.org/security/advisories/mfsa2020-15/","https://bugzilla.mozilla.org/show_bug.cgi?id=1632387"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:38.312Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/6xxx/CVE-2020-6830.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-6830","state":"PUBLISHED","datePublished":"2020-05-26T17:06:52.000Z","dateUpdated":"2024-08-04T09:11:05.047Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2020-01-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also, but it isn't needed in this case, and its usage was also leaking this token. This vulnerability affects Firefox for iOS < 25."}],"affected":[{"vendor":"Mozilla","product":"Firefox for iOS","versions":[{"version":"unspecified","status":"affected","lessThan":"25","versionType":"custom"}]}],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2020-15/","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1632387","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Native-to-JS bridging security token exploit","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mozilla","dateUpdated":"2020-05-26T17:06:52.000Z","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@mozilla.org","ID":"CVE-2020-6830","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Firefox for iOS","version":{"version_data":[{"version_affected":"<","version_value":"25"}]}}]},"vendor_name":"Mozilla"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also, but it isn't needed in this case, and its usage was also leaking this token. This vulnerability affects Firefox for iOS < 25."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Native-to-JS bridging security token exploit"}]}]},"references":{"reference_data":[{"name":"https://www.mozilla.org/security/advisories/mfsa2020-15/","refsource":"MISC","url":"https://www.mozilla.org/security/advisories/mfsa2020-15/"},{"name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1632387","refsource":"MISC","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1632387"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2020-15/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1632387","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T09:11:05.047Z"}}]}}}