CVE-2023-40051 Explained : Impact and Mitigation

A critical vulnerability has been identified in Progress Application Server (PAS) for OpenEdge, allowing attackers to upload files via directory traversal. Here's what you need to know about CVE-2023-40051.

Understanding CVE-2023-40051

This CVE affects Progress Application Server (PAS) for OpenEdge in specific versions due to a file upload vulnerability.

What is CVE-2023-40051?

CVE-2023-40051 is a security vulnerability found in Progress Application Server (PAS) for OpenEdge versions 11.7, 12.2, and innovation releases, allowing attackers to upload files through directory traversal.

The Impact of CVE-2023-40051

The vulnerability, if exploited, could lead to unintended file uploads to a server directory path, potentially enabling larger scale attacks on the server or its network.

Technical Details of CVE-2023-40051

The following are key technical details related to CVE-2023-40051:

Vulnerability Description

This issue allows attackers to upload files to the server through a web transport method, posing a risk of network exploitation.

Affected Systems and Versions

Progress Application Server (PAS) for OpenEdge versions 11.7 (prior to 11.7.18), 12.2 (prior to 12.2.13), and innovation releases (prior to 12.8.0) are impacted.

Exploitation Mechanism

Attackers can craft a request for a web transport that facilitates unintended file uploads to the server directory path.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-40051, consider the following steps:

Immediate Steps to Take

Update affected systems to versions 11.7.18, 12.2.13, or 12.8.0.
Monitor server logs for any suspicious activities.

Long-Term Security Practices

Implement file upload restrictions and validation checks.
Conduct regular security assessments and penetration testing.

Patching and Updates

Stay informed about security advisories from Progress Software Corporation and apply patches promptly to address known vulnerabilities.