github - ghsa-jv4c-7jqq-m34x

GHSA-JV4C-7JQQ-M34X

Vulnerability from github – Published: 2022-05-24 17:40 – Updated: 2024-04-22 23:14

Summary

CKEditor 4 ReDoS Vulnerability

Details

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ckeditor4-dev"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-26271"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-22T23:14:44Z",
    "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 text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).",
  "id": "GHSA-jv4c-7jqq-m34x",
  "modified": "2024-04-22T23:14:44Z",
  "published": "2022-05-24T17:40:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26271"
    },
    {
      "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://web.archive.org/web/20210128132707/https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.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": "CKEditor 4 ReDoS Vulnerability"
}

CVE-2021-26271 (GCVE-0-2021-26271)

Vulnerability from cvelistv5 – Published: 2021-01-26 20:39 – Updated: 2024-08-03 20:19

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/ckeditor/ckeditor4/blob/major/…	x_refsource_MISC
	https://www.oracle.com//security-alerts/cpujul2021.html	x_refsource_MISC
	https://ckeditor.com/blog/CKEditor-4.16-with-impr…	x_refsource_CONFIRM
	https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:19:20.393Z",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"
          },
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              "x_refsource_MISC",
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            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          }
        ],
        "title": "CVE Program Container"
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          "versions": [
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      ],
      "descriptions": [
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          "lang": "en",
          "value": "It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin)."
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              "lang": "en",
              "type": "text"
            }
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        "dateUpdated": "2021-10-20T10:41:40",
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          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
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      "x_legacyV4Record": {
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          "ID": "CVE-2021-26271",
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            },
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Sightings

Author	Source	Type	Date

Nomenclature

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.

Action not permitted

GHSA-JV4C-7JQQ-M34X

CVE-2021-26271 (GCVE-0-2021-26271)

Tags

Sightings

Nomenclature