CVE-2022-24729

Regular expression Denial of Service in dialog plugin

CVSS 6.5 MEDIUMEPSS 2.4%CWE-400

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 2.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

16 Mar 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

ckeditor · ckeditor4

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References

https://ckeditor.com/cke4/release/CKEditor-4.18.0 https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/https://www.drupal.org/sa-core-2022-005 https://www.oracle.com/security-alerts/cpujul2022.html