SB2020102724 - Denial of service (ReDoS) in trim component for Node.js



SB2020102724 - Denial of service (ReDoS) in trim component for Node.js

Published: October 27, 2020 Updated: July 15, 2022

Security Bulletin ID SB2020102724
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Incorrect Regular Expression (CVE-ID: CVE-2020-7753)

CWE-ID: CWE-185 - Incorrect Regular Expression

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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.