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

6.5MEDIUM

Key Information:

Vendor

Ckeditor

Status
Ckeditor4
Vendor
CVE Published:
16 March 2022

What is 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.

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Affected Version(s)

ckeditor4 < 4.18.0

References

https://ckeditor.com/cke4/release/CKEditor-4.18.0
https://github.com/ckeditor/ckeditor4/security/advisories...
https://www.oracle.com/security-alerts/cpujul2022.html

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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