CVE-2017-6320 : What You Need to Know

A vulnerability related to remote command injection has been found in the Barracuda Load Balancer product line. This vulnerability allows an authenticated user to run any shell commands and obtain root privileges.

Understanding CVE-2017-6320

This CVE entry describes a critical security issue in Barracuda Load Balancer that could lead to unauthorized remote command execution.

What is CVE-2017-6320?

The vulnerability in Barracuda Load Balancer allows authenticated users to execute arbitrary shell commands, potentially leading to unauthorized access and control of the system.

The Impact of CVE-2017-6320

The vulnerability enables attackers to gain root privileges on affected systems, posing a significant security risk to organizations using the Barracuda Load Balancer product line.

Technical Details of CVE-2017-6320

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from unfiltered data being processed in a system call triggered by the delete_assessment command in Barracuda Load Balancer versions 5.4.0.004 and 6.0.1.006.

Affected Systems and Versions

Confirmed affected versions: 5.4.0.004 (2015-11-26) and 6.0.1.006 (2016-08-19)
Fixed version: 6.1.0.003 (2017-01-17)

Exploitation Mechanism

The vulnerability allows authenticated users to exploit unfiltered data processing during the execution of specific commands, leading to unauthorized command injection and potential privilege escalation.

Mitigation and Prevention

Protecting systems from CVE-2017-6320 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Barracuda Load Balancer to the fixed version 6.1.0.003 to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement strict access controls and user permissions to limit the impact of potential security breaches.
Regularly audit and review system configurations to identify and address any security weaknesses.

Patching and Updates

Stay informed about security updates and patches released by Barracuda Networks to address known vulnerabilities.