CVE-2021-26272: Medium severity wicked vulnerability

Published Jan 26, 2021
·
Updated

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).

Affected Software

16 affected components
CKEditor CKEditor>=4.0<4.16
Oracle Agile PLM=9.3.5
Oracle Agile PLM=9.3.6
Oracle Application Express<21.1.0
Oracle Banking Party Management=2.7.0
Oracle Commerce Merchandising>=11.3.0<=11.3.2
Oracle Commerce Merchandising=11.1.0
Oracle Commerce Merchandising=11.2.0
Oracle Financial Services Analytical Applications Infrastructure>=8.0.6<=8.0.9
Oracle Financial Services Analytical Applications Infrastructure=8.1.0
Oracle Financial Services Analytical Applications Infrastructure=8.1.1
Oracle Financial Services Model Management And Governance>=8.0.8.0.0<=8.1.0.0.0
Oracle JD Edwards EnterpriseOne Tools<9.2.6.0
Oracle Siebel UI Framework<=21.9
Oracle WebCenter Sites=12.2.1.3.0
Oracle WebCenter Sites=12.2.1.4.0

Event History

Jan 26, 2021
CVE Published
via MITRE·08:39 PM
Data Sourced
via MITRE·08:39 PM
Description
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Frequently Asked Questions

1

What is CVE-2021-26272?

CVE-2021-26272 is a vulnerability that allows for ReDoS-type attacks in CKEditor 4 before version 4.16.

2

How does CVE-2021-26272 work?

CVE-2021-26272 works by convincing a user to paste malicious URL-like text into the CKEditor and then press Enter or Space in the Autolink plugin.

3

Which software is affected by CVE-2021-26272?

CKEditor 4 before version 4.16, Oracle Agile PLM versions 9.3.5 and 9.3.6, Oracle Application Express up to version 21.1.0, Oracle Banking Party Management version 2.7.0, Oracle Commerce Merchandising versions 11.3.0 to 11.3.2, Oracle Commerce Merchandising version 11.1.0, Oracle Commerce Merchandising version 11.2.0, Oracle Financial Services Analytical Applications Infrastructure versions 8.0.6 to 8.0.9, Oracle Financial Services Analytical Applications Infrastructure version 8.1.0, Oracle Financial Services Analytical Applications Infrastructure version 8.1.1, Oracle Financial Services Model Management And Governance versions 8.0.8.0.0 to 8.1.0.0.0, Oracle Jd Edwards Enterpriseone Tools up to version 9.2.6.0, Oracle Siebel Ui Framework up to version 21.9, Oracle WebCenter Sites version 12.2.1.3.0, and Oracle WebCenter Sites version 12.2.1.4.0 are affected by CVE-2021-26272.

4

What is the severity of CVE-2021-26272?

The severity of CVE-2021-26272 is medium with a CVSS score of 6.5.

5

How can I fix CVE-2021-26272?

To fix CVE-2021-26272, upgrade to CKEditor version 4.16 or later.

Contact

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