CVE-2020-15388 : Security Advisory and Response

A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v9.0.1a and v8.2.3a allows an authenticated CLI user to abuse the history command to write arbitrary content to files.

Understanding CVE-2020-15388

This CVE identifies a security flaw in Brocade Fabric OS that could be exploited by authenticated users to manipulate files.

What is CVE-2020-15388?

The vulnerability in Brocade Fabric OS versions prior to v9.0.1a and v8.2.3a enables authenticated CLI users to misuse the history command, leading to unauthorized content modification in files.

The Impact of CVE-2020-15388

The vulnerability poses a risk of unauthorized data manipulation and potential security breaches by allowing authenticated users to write arbitrary content to files.

Technical Details of CVE-2020-15388

Brocade Fabric OS vulnerability details and affected systems.

Vulnerability Description

The flaw lies in the improper handling of the history command, enabling authenticated CLI users to write unauthorized content to files.

Affected Systems and Versions

Product: Brocade Fabric OS
Versions Affected: Brocade Fabric OS before versions Brocade Fabric OS v9.0.1a and v8.2.3a

Exploitation Mechanism

The vulnerability can be exploited by authenticated CLI users leveraging the history command to write arbitrary content to files.

Mitigation and Prevention

Protective measures to address CVE-2020-15388.

Immediate Steps to Take

Update Brocade Fabric OS to versions v9.0.1a or v8.2.3a to mitigate the vulnerability.
Monitor and restrict CLI user activities to prevent unauthorized file modifications.

Long-Term Security Practices

Regularly review and update access controls and permissions within the system.
Conduct security training for CLI users to raise awareness of potential risks and best practices.

Patching and Updates

Apply patches and updates provided by Brocade to address the vulnerability and enhance system security.