CVE-2020-4631 Explained : Impact and Mitigation

IBM Spectrum Protect Plus 10.1.0 through 10.1.6 on Windows allows local users to interrupt service operations.

Understanding CVE-2020-4631

IBM Spectrum Protect Plus versions 10.1.0 through 10.1.6 are affected by a vulnerability that could be exploited by local users.

What is CVE-2020-4631?

The vulnerability in IBM Spectrum Protect Plus versions 10.1.0 through 10.1.6 allows local users to disrupt service operations due to misconfigured access permissions on Windows.

The Impact of CVE-2020-4631

The vulnerability could lead to a denial of service (DoS) condition, impacting the availability of service operations on affected systems.

Technical Details of CVE-2020-4631

IBM Spectrum Protect Plus vulnerability details and affected systems.

Vulnerability Description

Agent files in non-default configurations on Windows have overly permissive access control settings.

Affected Systems and Versions

Product: Spectrum Protect Plus
Vendor: IBM
Versions: 10.1.0, 10.1.6

Exploitation Mechanism

Local users with access to agent files can exploit misconfigured permissions to disrupt service operations.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-4631 vulnerability.

Immediate Steps to Take

Review and adjust access control settings on agent files to restrict permissions.
Monitor service operations for any interruptions or unusual activities.

Long-Term Security Practices

Regularly review and update access control configurations to follow the principle of least privilege.
Educate users on the importance of secure file permissions and access control.

Patching and Updates

Apply official fixes provided by IBM to address the vulnerability and prevent exploitation.