{"id":"CVE-2019-11808","state":"PUBLISHED","title":"Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window ","description":"Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs.","publishedAt":"2019-05-07T06:53:16.000Z","updatedAt":"2024-08-04T23:03:32.877Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/ratpack/ratpack/releases/tag/v1.6.1","https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d","https://github.com/ratpack/ratpack/issues/1448"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:22.458Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/11xxx/CVE-2019-11808.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-11808","state":"PUBLISHED","datePublished":"2019-05-07T06:53:16.000Z","dateUpdated":"2024-08-04T23:03:32.877Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-05-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/ratpack/ratpack/releases/tag/v1.6.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d","tags":["x_refsource_MISC"]},{"url":"https://github.com/ratpack/ratpack/issues/1448","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2019-05-07T06:53:16.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-11808","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/ratpack/ratpack/releases/tag/v1.6.1","refsource":"MISC","url":"https://github.com/ratpack/ratpack/releases/tag/v1.6.1"},{"name":"https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d","refsource":"MISC","url":"https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d"},{"name":"https://github.com/ratpack/ratpack/issues/1448","refsource":"MISC","url":"https://github.com/ratpack/ratpack/issues/1448"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/ratpack/ratpack/releases/tag/v1.6.1","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/ratpack/ratpack/issues/1448","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T23:03:32.877Z"}}]}}}