CVE-2017-6465 : What You Need to Know

A vulnerability in version 6.53 of FTPShell Client has been identified, allowing for Remote Code Execution due to a buffer overflow scenario when establishing a connection.

Understanding CVE-2017-6465

What is CVE-2017-6465?

CVE-2017-6465 is a vulnerability in FTPShell Client version 6.53 that enables Remote Code Execution by not verifying the length of the response from the FTP server.

The Impact of CVE-2017-6465

This vulnerability allows attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2017-6465

Vulnerability Description

The flaw in FTPShell Client 6.53 arises from the client's failure to validate the response length after sending a PWD command to the FTP server, resulting in a buffer overflow.

Affected Systems and Versions

Product: FTPShell Client
Version: 6.53

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious responses to the PWD command, triggering the buffer overflow and executing arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict FTPShell Client usage until a patch is available.
Implement network-level controls to limit access to FTP services.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Check for security updates from the vendor and apply patches as soon as they are released.