CVE-2019-9648 : Security Advisory and Response
Learn about CVE-2019-9648, a directory traversal vulnerability in Core FTP 2.0 Build 674 SFTP Server component. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
Core FTP 2.0 Build 674 contains a vulnerability in its SFTP Server component that allows attackers to conduct directory traversal attacks. By exploiting this vulnerability, attackers can gather information on file existence by analyzing the returned data.
Understanding CVE-2019-9648
This CVE entry pertains to a directory traversal vulnerability in the SFTP Server component of Core FTP 2.0 Build 674.
What is CVE-2019-9648?
CVE-2019-9648 is a security vulnerability in Core FTP 2.0 Build 674 that enables attackers to perform directory traversal attacks using a specific command.
The Impact of CVE-2019-9648
The vulnerability allows attackers to conduct directory traversal attacks, potentially leading to unauthorized access to sensitive files and information on the affected system.
Technical Details of CVE-2019-9648
This section provides detailed technical information about the vulnerability.
Vulnerability Description
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. The vulnerability allows for directory traversal using a specific command, enabling attackers to enumerate file existence based on the returned information.
Affected Systems and Versions
- Product: Core FTP 2.0 Build 674
- Vendor: Core FTP
- Version: Not applicable
Exploitation Mechanism
Attackers exploit the vulnerability by utilizing the SIZE command in combination with a specific substring to conduct directory traversal attacks.
Mitigation and Prevention
Protecting systems from CVE-2019-9648 requires immediate action and long-term security practices.
Immediate Steps to Take
- Disable or restrict access to the affected SFTP Server component in Core FTP 2.0 Build 674.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Check for patches or updates provided by Core FTP to address the vulnerability.