SB2020040409 - Regular expression DoS in MochaJS Mocha



SB2020040409 - Regular expression DoS in MochaJS Mocha

Published: April 4, 2020

Security Bulletin ID SB2020040409
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) Resource management error (CVE-ID: N/A)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when processing regular expressions. A remote attacker can pass specially crafted data to the script and perform a denial of service attack via regular expression (ReDoS).


Remediation

Install update from vendor's website.