CVE-2020-19596 Explained : Impact and Mitigation

Core FTP Server v1.2 Build 583 Buffer Overflow Vulnerability

Understanding CVE-2020-19596

What is CVE-2020-19596?

CVE-2020-19596 is a buffer overflow vulnerability found in Core FTP Server v1.2 Build 583. The vulnerability can be exploited through a specially crafted username.

The Impact of CVE-2020-19596

This vulnerability could allow a remote attacker to execute arbitrary code on the affected system, leading to potential unauthorized access and control.

Technical Details of CVE-2020-19596

Vulnerability Description

The vulnerability exists in Core FTP Server v1.2 Build 583 due to improper handling of user-supplied input, specifically in processing usernames.

Affected Systems and Versions

Product: Core FTP Server v1.2 Build 583
Vendor: Core FTP
Versions: All versions are affected

Exploitation Mechanism

The vulnerability can be exploited by an attacker sending a specially crafted username to the vulnerable Core FTP Server, triggering a buffer overflow condition.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the Core FTP Server if not essential
Implement network-level controls to limit exposure
Monitor for any suspicious activities on the server

Long-Term Security Practices

Regularly update and patch the Core FTP Server software
Conduct security assessments and penetration testing to identify vulnerabilities

Patching and Updates

Apply the latest patches and updates provided by Core FTP to address the buffer overflow vulnerability