Barracuda Security Update – 31 May 2023

Barracuda has released a security update to address a zero-day vulnerability across Email Security Gateway (ESG) appliances versions 5.1.3.001-9.2.0.006.

The addressed vulnerabilities could allow the remote attacker to execute arbitrary code on the system with the privileges of the Email Security Gateway product by attaching a specially crafted TAR archive file in the email and gain unauthorized access to the affected system.

The addressed vulnerability:

Barracuda Email Security Gateway Command Execution (CVE-2023-2868):

  • CVSS: 9.4
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Gain Access

It should be highlighted that the addressed vulnerability is actively exploited in the wild by many threat actors to deploy their malware.

Vulnerabilities

CVE-2023-2868

Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Barracuda Security Update

References