SB2021021909 - Denial of service in jQuery Validation Plugin
Published: February 19, 2021 Updated: July 4, 2022
Security Bulletin ID
SB2021021909
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect Regular Expression (CVE-ID: CVE-2021-21252)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/jquery-validation/jquery-validation/commit/5d8f29eef363d043a8fec4eb86d42cadb5fa5f7d
- https://github.com/jquery-validation/jquery-validation/pull/2371
- https://github.com/jquery-validation/jquery-validation/security/advisories/GHSA-jxwx-85vp-gvwm
- https://security.netapp.com/advisory/ntap-20210219-0005/
- https://www.npmjs.com/package/jquery-validation