SB2023120724 - Insufficient entropy in jose4j



SB2023120724 - Insufficient entropy in jose4j

Published: December 7, 2023

Security Bulletin ID SB2023120724
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insufficient entropy (CVE-ID: CVE-2023-31582)

The vulnerability allows a remote attacker to brute-force JWT token.

The vulnerability exists due to usage of insufficient entropy when generating JWT token. A remote attacker can brute-force the JWT token and gain unauthorized access to the application.


Remediation

Install update from vendor's website.