ghsa-fx7m-j728-mjw3
Vulnerability from github
Published
2019-03-06 17:35
Modified
2023-01-23 17:07
Severity ?
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
uap-core Regular Expression Denial of Service issue
Details

An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string. (The UAP-Core project contains the vulnerability, propagating to all implementations.)

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "uap-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-20164"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-185"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:35:45Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string. (The UAP-Core project contains the vulnerability, propagating to all implementations.)",
  "id": "GHSA-fx7m-j728-mjw3",
  "modified": "2023-01-23T17:07:55Z",
  "published": "2019-03-06T17:35:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20164"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ua-parser/uap-core/issues/332"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ua-parser/uap-core"
    },
    {
      "type": "WEB",
      "url": "https://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "uap-core Regular Expression Denial of Service issue"
}


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