CVE-2019-3489 : Exploit Details and Defense Strategies

A security flaw in the Web Client module of Micro Focus Content Manager versions 9.1, 9.2, and 9.3 allows unauthorized attackers to upload files to any location on the server.

Understanding CVE-2019-3489

This CVE involves an unauthenticated file upload vulnerability in Micro Focus Content Manager versions 9.1, 9.2, and 9.3 when using the ADFS authentication method.

What is CVE-2019-3489?

The vulnerability enables unauthenticated remote attackers to upload content to arbitrary locations on the Content Manager server.

The Impact of CVE-2019-3489

Attackers can exploit this flaw to upload malicious files to critical server locations, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2019-3489

The following technical details provide insight into the vulnerability.

Vulnerability Description

An unauthenticated file upload vulnerability exists in the Web Client component of Micro Focus Content Manager versions 9.1, 9.2, and 9.3 when configured with ADFS authentication.

Affected Systems and Versions

Micro Focus Content Manager versions 9.1, 9.2, and 9.3 are affected by this vulnerability.

Exploitation Mechanism

The flaw occurs when the ADFS authentication method is enabled, allowing unauthorized attackers to upload files to any location on the server.

Mitigation and Prevention

Protect your systems from CVE-2019-3489 with the following measures.

Immediate Steps to Take

Disable the ADFS authentication method if not essential for operations.
Monitor file uploads and restrict access to critical server locations.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe file upload practices and security best practices.

Patching and Updates

Apply patches and updates provided by Micro Focus to address the vulnerability and enhance system security.