CVE-2022-24729: Regular expression Denial of Service in dialog plugin
CKEditor is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the dialog plugin. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a significant performance drop and results in a browser tab freeze.
Other sources
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.
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Frequently Asked Questions
What is CVE-2022-24729?
CVE-2022-24729 is a vulnerability in CKEditor4, a popular open source HTML editor, which allows abuse of a dialog input validator regular expression, leading to a significant performance drop.
What is the severity level of CVE-2022-24729?
The severity level of CVE-2022-24729 is high, with a CVSS score of 7.5.
Which software versions are affected by CVE-2022-24729?
CKEditor4 versions prior to 4.18.0, Drupal versions 8.0.0 to 9.2.15, Drupal versions 9.3.0 to 9.3.8, Oracle Application Express up to version 22.1.1, Oracle Commerce Merchandising version 11.3.2, and various versions of Oracle Financial Services Analytical Applications Infrastructure, Oracle Financial Services Behavior Detection Platform, Oracle Financial Services Trade-based Anti Money Laundering, Oracle PeopleSoft Enterprise PeopleTools, and Fedora are affected by CVE-2022-24729.
How does the CVE-2022-24729 vulnerability affect CKEditor4?
The CVE-2022-24729 vulnerability in CKEditor4 can cause a significant performance drop due to the abuse of a dialog input validator regular expression in the `dialog` plugin.
Where can I find more information about CVE-2022-24729?
You can find more information about CVE-2022-24729 on the CKEditor4 website, the GitHub security advisory, and the Fedora project's mailing list.