GHSA-62GR-4QP9-H98F

Vulnerability from github – Published: 2022-02-10 20:38 – Updated: 2021-04-22 23:31
VLAI?
Summary
Regular Expression Denial of Service in Handlebars
Details

Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "handlebars"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-20922"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-22T23:31:21Z",
    "nvd_published_at": "2020-09-30T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.",
  "id": "GHSA-62gr-4qp9-h98f",
  "modified": "2021-04-22T23:31:21Z",
  "published": "2022-02-10T20:38:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20922"
    },
    {
      "type": "WEB",
      "url": "https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1300"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/handlebars"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Regular Expression Denial of Service in Handlebars"
}


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