SB2024121826 - Improper authentication in Apache Kafka SCRAM implementation



SB2024121826 - Improper authentication in Apache Kafka SCRAM implementation

Published: December 18, 2024 Updated: December 18, 2024

Security Bulletin ID SB2024121826
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) Improper authentication (CVE-ID: CVE-2024-56128)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in Salted Challenge Response Authentication Mechanism (SCRAM) implementation. The application does not verify that the nonce sent by the client in the second message matches the nonce sent by the server in its first message. A remote attacker with access to plain text SCRAM authentication exchange can bypass forge the second once and gain unauthorized access to the application.


Remediation

Install update from vendor's website.