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CVE-2023-31428 : Security Advisory and Response

Discover the impact and mitigation steps for CVE-2023-31428, a vulnerability in Brocade Fabric OS allowing local users to dump files under their home directory. Learn how to prevent exploitation.

This article outlines the details of CVE-2023-31428, a vulnerability found in Brocade Fabric OS that could allow a local user to dump files under the user's home directory.

Understanding CVE-2023-31428

CVE-2023-31428 is a vulnerability in Brocade Fabric OS versions before v9.1.1c and v9.2.0, allowing a local user to exploit the command line to dump files under the user's home directory using grep.

What is CVE-2023-31428?

Brocade Fabric OS before versions v9.1.1c and v9.2.0 contains a vulnerability that enables a local user to dump files under their home directory using the command line.

The Impact of CVE-2023-31428

The impact of this vulnerability, identified as CAPEC-23 File Content Injection, can result in unauthorized access to sensitive files and data by malicious local users.

Technical Details of CVE-2023-31428

This section provides more insight into the vulnerability.

Vulnerability Description

Brocade Fabric OS versions before v9.1.1c and v9.2.0 are susceptible to a flaw that allows local users to dump files under their home directories using grep.

Affected Systems and Versions

The affected systems include Brocade Fabric OS versions earlier than v9.1.1c and v9.2.0.

Exploitation Mechanism

The exploitation involves leveraging the command line within the affected Brocade Fabric OS versions to access and dump files under the user's home directory.

Mitigation and Prevention

To address CVE-2023-31428, certain steps need to be taken.

Immediate Steps to Take

It is recommended to update Brocade Fabric OS to versions v9.1.1c or v9.2.0 to mitigate this vulnerability. Additionally, limit local user permissions to prevent unauthorized file dumping.

Long-Term Security Practices

Implement stringent access controls, regular security audits, and user training to enhance overall security posture and prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from Brocade and promptly apply patches and updates to ensure system integrity and protection against known vulnerabilities.

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