CVE-2020-15376 Explained : Impact and Mitigation

Brocade Fabric OS versions before v9.0.0 and after version v8.1.0, configured in Virtual Fabric mode, have a vulnerability in the ldap implementation that could allow remote ldap users to log in to the Brocade Fibre Channel SAN switch with 'user' privileges.

Understanding CVE-2020-15376

This CVE identifies a weakness in Brocade Fabric OS versions that could be exploited by remote ldap users.

What is CVE-2020-15376?

The vulnerability in Brocade Fabric OS versions allows unauthorized remote ldap users to gain access to the SAN switch with 'user' privileges.

The Impact of CVE-2020-15376

The vulnerability could lead to unauthorized access to the Brocade Fibre Channel SAN switch, potentially compromising the security of the system.

Technical Details of CVE-2020-15376

Brocade Fabric OS versions before v9.0.0 and after version v8.1.0 are affected by this vulnerability.

Vulnerability Description

The ldap implementation in affected versions allows remote ldap users to log in with 'user' privileges if not associated with any groups.

Affected Systems and Versions

Product: Brocade Fabric OS
Versions Affected: Brocade Fabric OS versions before v9.0.0 and after version v8.1.0

Exploitation Mechanism

The weakness in the ldap implementation enables unauthorized remote ldap users to gain access to the SAN switch with 'user' privileges.

Mitigation and Prevention

Immediate Steps to Take:

Update Brocade Fabric OS to version v9.0.0 or higher.
Ensure ldap users are associated with appropriate groups for access control.

Long-Term Security Practices:

Regularly monitor and audit ldap user access.
Implement strong authentication mechanisms to prevent unauthorized logins.

Patching and Updates:

Apply security patches and updates provided by Brocade to address this vulnerability.