{
"id": "GHSA-54mg-vgrp-mwx9",
"aliases": [
"CVE-2019-11808"
],
"details": "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.",
"summary": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Ratpack",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.1"
}
]
}
],
"package": {
"name": "io.ratpack:ratpack-session",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.1"
}
]
}
],
"package": {
"name": "io.ratpack:ratpack-java",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.1"
}
]
}
],
"package": {
"name": "io.ratpack:ratpack-groovy",
"ecosystem": "Maven"
}
}
],
"modified": "2021-08-04T15:01:30Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"published": "2019-05-14T04:01:37Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11808",
"type": "ADVISORY"
},
{
"url": "https://github.com/ratpack/ratpack/issues/1448",
"type": "WEB"
},
{
"url": "https://github.com/ratpack/ratpack/commit/f2b63eb82dd71194319fd3945f5edf29b8f3a42d",
"type": "WEB"
},
{
"url": "https://github.com/ratpack/ratpack/releases/tag/v1.6.1",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-338"
],
"severity": "LOW",
"github_reviewed": true,
"nvd_published_at": "2019-05-07T07:29:00Z",
"github_reviewed_at": "2019-05-14T03:48:09Z"
}
}