CVE-2018-6433 : Security Advisory and Response

Brocade Fabric OS versions prior to 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d have a vulnerability in the secryptocfg export command that allows a local attacker to bypass export file access restrictions.

Understanding CVE-2018-6433

This CVE involves a privilege escalation vulnerability in Brocade Fabric OS.

What is CVE-2018-6433?

The secryptocfg export command in affected versions of Brocade Fabric OS allows a local attacker to copy files from the source to a remote system by bypassing export file access restrictions.

The Impact of CVE-2018-6433

This vulnerability could be exploited by a local attacker to perform unauthorized file copies, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2018-6433

Brocade Fabric OS vulnerability details.

Vulnerability Description

The secryptocfg export command in Brocade Fabric OS versions prior to 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d allows a local attacker to bypass export file access restrictions and copy files to a remote system.

Affected Systems and Versions

Product: Brocade Fabric OS
Vendor: Brocade Communications Systems, Inc.
Versions Affected: All versions prior to 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d

Exploitation Mechanism

The vulnerability enables a local attacker to bypass restrictions on accessing export files and perform a file copy from the source to a remote system.

Mitigation and Prevention

Steps to address CVE-2018-6433.

Immediate Steps to Take

Apply the necessary patches provided by Brocade Communications Systems, Inc.
Monitor system logs for any suspicious file copy activities.

Long-Term Security Practices

Regularly update and patch Brocade Fabric OS to the latest version.
Implement least privilege access controls to limit file copy capabilities.

Patching and Updates

Ensure all systems running affected versions of Brocade Fabric OS are updated to versions 8.2.1, 8.1.2f, 8.0.2f, or 7.4.2d to mitigate the vulnerability.