CVE-2019-9649 : Exploit Details and Defense Strategies

Core FTP 2.0 Build 674 SFTP Server component is vulnerable to a directory traversal attack, allowing remote attackers to browse outside the root directory.

Understanding CVE-2019-9649

This CVE involves a vulnerability in the SFTP Server component of Core FTP 2.0 Build 674, enabling attackers to access files outside the root directory.

What is CVE-2019-9649?

The vulnerability in Core FTP 2.0 Build 674 allows remote attackers to use a directory traversal technique to view files outside the intended directory structure.

The Impact of CVE-2019-9649

Exploiting this vulnerability can lead to unauthorized access to sensitive files and information on the target system, compromising its security.

Technical Details of CVE-2019-9649

The technical aspects of the vulnerability in Core FTP 2.0 Build 674.

Vulnerability Description

The flaw in the SFTP Server component permits attackers to navigate beyond the root directory using the MDTM FTP command, potentially exposing file details.

Affected Systems and Versions

Product: Core FTP 2.0 Build 674
Vendor: Core FTP
Versions: All versions are affected

Exploitation Mechanism

By utilizing the MDTM FTP command with a directory traversal technique (....), remote attackers can access files outside the intended directory structure.

Mitigation and Prevention

Protecting systems from the CVE-2019-9649 vulnerability.

Immediate Steps to Take

Disable or restrict access to the affected SFTP Server component in Core FTP 2.0 Build 674.
Implement network-level controls to limit unauthorized access.
Monitor and analyze network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch Core FTP to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Apply patches or updates provided by Core FTP to address the vulnerability in Build 674 SFTP Server component.