CVE-2022-24729 Regular expression Denial of Service in dialog plugin

2022-03-1600:00:00

CWE-400

GitHub_M

www.cve.org

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.8%

JSON

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the dialog plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.

CNA Affected

[
  {
    "vendor": "ckeditor",
    "product": "ckeditor4",
    "versions": [
      {
        "version": "< 4.18.0",
        "status": "affected"
      }
    ]
  }
]