CVE-2018-6435 : What You Need to Know

A security flaw in the secryptocfg command of Brocade Fabric OS CLI versions prior to 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d allows local attackers to bypass restrictions and gain root privileges.

Understanding CVE-2018-6435

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

What is CVE-2018-6435?

CVE-2018-6435 is a vulnerability in the secryptocfg command of Brocade Fabric OS CLI versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d, potentially enabling local attackers to escalate privileges.

The Impact of CVE-2018-6435

The vulnerability could allow a local attacker to escape the restricted shell and gain root access, posing a significant security risk.

Technical Details of CVE-2018-6435

This section provides detailed technical information about the CVE.

Vulnerability Description

The secryptocfg command in Brocade Fabric OS CLI versions prior to 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d is susceptible to a privilege escalation flaw.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability allows a local attacker to bypass the restricted shell, potentially leading to unauthorized root access.

Mitigation and Prevention

Protecting systems from CVE-2018-6435 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Brocade Fabric OS to version 8.2.1, 8.1.2f, 8.0.2f, or 7.4.2d to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Regularly review and update security policies and procedures to address emerging threats.

Patching and Updates

Apply security patches and updates provided by Brocade Communications Systems, Inc. to address the vulnerability.