Resource exhaustion in Ckeditor
CVE-2022-24729
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Ckeditor
- Ckeditor Ckeditor4 — versions < 4.18.0
- Drupal
- Oracle Application Express
- Oracle Commerce Merchandising — versions 11.3.2
- Oracle Financial Services Analytical Applications Infrastructure — versions 8.1.1.0, 8.1.2.0, 8.1.2.1
- Oracle Financial Services Behavior Detection Platform — versions 8.0.7.0, 8.0.8.0
- Oracle Financial Services Trade-Based Anti Money Laundering — versions 8.0.7, 8.0.8
- Oracle Peoplesoft Enterprise Peopletools — versions 8.58, 8.59
- Fedoraproject Fedora — versions 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ckeditor.com/cke4/release/CKEditor-4.18.0 (Release Notes, Vendor Advisory)
- github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh (Third Party Advisory)
- www.oracle.com/security-alerts/cpujul2022.html (Patch, Third Party Advisory)
- www.drupal.org/sa-core-2022-005 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-24729?
- CVE-2022-24729 is a medium-severity vulnerability in Ckeditor, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2022-03-16.
- How severe is CVE-2022-24729?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-24729 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.