CVE-2021-29671 Explained : Impact and Mitigation

IBM Spectrum Scale 5.1.0.1 could allow a local attacker to bypass the filesystem audit logging mechanism when file audit logging is enabled.

Understanding CVE-2021-29671

This CVE refers to a vulnerability in IBM Spectrum Scale 5.1.0.1 that could be exploited by a local attacker.

What is CVE-2021-29671?

The CVE-2021-29671 vulnerability in IBM Spectrum Scale 5.1.0.1 allows a local attacker to bypass the filesystem audit logging mechanism when file audit logging is enabled.

The Impact of CVE-2021-29671

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 4. It requires low attack complexity and no privileges, but the exploit code maturity is unproven.

Technical Details of CVE-2021-29671

This section provides details about the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows a local attacker to bypass the filesystem audit logging mechanism in IBM Spectrum Scale 5.1.0.1 when file audit logging is turned on, potentially compromising the system.

Affected Systems and Versions

The affected product is IBM Spectrum Scale version 5.1.0.1.

Exploitation Mechanism

The exploitation occurs locally, requiring no user interaction, and the attack vector is low complexity.

Mitigation and Prevention

To safeguard your systems from CVE-2021-29671, consider the following mitigation strategies.

Immediate Steps to Take

Disable file audit logging in IBM Spectrum Scale 5.1.0.1 or implement additional access controls.
Monitor system logs regularly for suspicious activities.

Long-Term Security Practices

Keep your IBM Spectrum Scale software updated with the latest patches and security updates.
Conduct regular security audits and assessments to identify vulnerabilities.

Patching and Updates

Refer to IBM Security Bulletin 6441429 (Spectrum Scale) for official fixes and updates.