Privilege Escalation in Brocade Fabric OS CLI

Executive Summary

This is a privilege escalation vulnerability in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. It affects the internal CLI authorization handling mechanism. An authenticated user or local process can bypass Role-Based Access Control checks by manipulating the process execution environment. Successful exploitation allows attackers to elevate privileges to root level.

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Detection Guidance

This vulnerability involves privilege escalation in Brocade Fabric OS via CLI authorization bypass. Detection requires checking OS version against vulnerable releases (before 9.2.2d or 10.0.0 through 10.0.0a1). Inspect CLI logs for unauthorized privilege changes or RBAC bypass attempts. No specific commands are provided in the context.

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Impact Analysis

If exploited, this vulnerability could allow an attacker with limited access to gain full control over the system as a root user. This could lead to unauthorized data access, system modifications, or disruption of services. The impact depends on the attacker's access level and system configuration.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements for GDPR, HIPAA, and other regulations. It undermines access control mechanisms, potentially resulting in data breaches and non-compliance penalties.

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Mitigation Strategies

Immediately upgrade Brocade Fabric OS to version 9.2.2d or later if using versions before 9.2.2d, or to 10.0.0a2 or later if using versions 10.0.0 through 10.0.0a1. Apply the latest patches from Brocade to address the privilege escalation flaw in the CLI authorization mechanism.

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