CVE-2022-24729
Regular expression Denial of Service in dialog plugin
No known exploitation. EPSS puts it in the 84th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
2.5% chance of exploitation activity in the next 30 days, which ranks it in the 84th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1562 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- application expressDatabases / db-tooling
- commerce merchandisingDatabases / data-warehouse-analytics
- financial services analytical applications infrastructureDatabases / data-warehouse-analytics
- financial services behavior detection platformEnterprise Software / itsm-monitoring
- financial services trade-based anti money launderingEnterprise Software / itsm-monitoring
- peoplesoft enterprise peopletoolsEnterprise Software / itsm-monitoring
- Database ServerDatabases / relational
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Scored 6.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- ckeditor.com/cke4/release/CKEditor-4.18.0
- github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh
- oracle.com/security-alerts/cpujul2022.html
And 6 more references. See all after sign-in
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