Incorrect Regular Expression in validator.js - CVE-2021-3765

 

Incorrect Regular Expression in validator.js - CVE-2021-3765

Published: October 12, 2022


Vulnerability identifier: #VU68281
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3765
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.

The vulnerability exists due to improper input validation when handling user-supplied input. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service (ReDoS) attack.


Affected software

validator.js
QRadar Pulse App
IBM Cloud Transformation Advisor
Netcool Operations Insight
QRadar User Behavior Analytics
OpenShift Data Foundation (formerly OpenShift Container Storage)
webMethods Managed File Transfer
IBM Planning Analytics Workspace
QRadar Assistant
Contrail Networking

How to mitigate CVE-2021-3765

Install updates from vendor's website.

validator.js - update to 13.7.0
QRadar Pulse App - update to 2.2.9
IBM Cloud Transformation Advisor - update to 3.1.0
OpenShift Data Foundation (formerly OpenShift Container Storage) - addressed in versions 4.12.10, 4.13.0
Contrail Networking - update to R22.3
Netcool Operations Insight - update to 1.6.6
IBM Planning Analytics Workspace - update to 2.0.93
QRadar Assistant - update to 3.6.0
QRadar User Behavior Analytics - update to 4.1.11

External References

Related Security Bulletins