Incorrect Regular Expression in Handsontable - CVE-2021-23446

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Main Vulnerability Database Vulnerabilities #VU85172

Incorrect Regular Expression in Handsontable - CVE-2021-23446

Published: January 9, 2024


Vulnerability identifier: #VU85172
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-2021-23446
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 denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions in the Handsontable.helper.isNumeric function. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Affected software

Handsontable
Splunk Enterprise Security (ES)

How to mitigate CVE-2021-23446

Install update from vendor's website.

Handsontable - update to 10.0.0
Splunk Enterprise Security (ES) - addressed in versions 7.1.2, 7.2.0, 7.3.0

External References

Related Security Bulletins