ghsa-wpvm-wqr4-p7cw
Vulnerability from github
Published
2021-10-13 15:34
Modified
2022-02-08 21:39
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4
Details

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ckeditor4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.16.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-26272"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-829"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-07T19:01:30Z",
    "nvd_published_at": "2021-01-26T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).",
  "id": "GHSA-wpvm-wqr4-p7cw",
  "modified": "2022-02-08T21:39:05Z",
  "published": "2021-10-13T15:34:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26272"
    },
    {
      "type": "WEB",
      "url": "https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ckeditor/ckeditor4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4"
}


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