Vulnerability identifier: #VU61427
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-185
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
CKEditor
Web applications /
JS libraries
Vendor: CKSource
Description
The vulnerability allows a remote attacker to perform regular expression denial of service attack.
The vulnerability exists due to improper input validation in CKEditor 4 dialog plugin. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
CKEditor: 4.0 full - 4.17.2
External links
http://ckeditor.com/cke4/release/CKEditor-4.18.0
http://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.