Authentication Bypass and Privilege Escalation in Brocade Fabric OS

Executive Summary

This vulnerability is an authentication logic and privilege escalation issue in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user can bypass authorization restrictions to modify another account's access privileges. This allows a lower-privileged user to assign administrative roles to a target account, resulting in localized privilege escalation.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability requires checking Brocade Fabric OS versions for affected releases (before 9.2.2d and 10.0.0 through 10.0.0a1). Use commands like 'show version' or 'firmware show' to verify the installed version. Inspect account management logs for unauthorized privilege modifications or role changes.

Useful 0 Not Useful 0

Impact Analysis

If exploited, this vulnerability could allow an attacker with limited access to gain administrative privileges on the system. This could lead to unauthorized changes, data access, or control over the Brocade Fabric OS environment, potentially disrupting operations or compromising sensitive information.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability allows lower-privileged users to escalate privileges to administrative roles, which could lead to unauthorized access to sensitive data. This may violate compliance requirements under GDPR and HIPAA that mandate strict access controls and protection of personal or health information.

Useful 0 Not Useful 0

Mitigation Strategies

Upgrade Brocade Fabric OS to version 9.2.2d or later, or 10.0.0a2 or later if using version 10.0.0. This addresses the authentication logic and privilege escalation vulnerability by correcting the authorization restrictions.

Useful 0 Not Useful 0