CVE-2018-7573 : Security Advisory and Response
Learn about CVE-2018-7573, a critical vulnerability in FTPShell Client 6.7 that allows remote attackers to execute arbitrary code. Find out how to mitigate and prevent exploitation.
In FTPShell Client 6.7, a vulnerability allows a remote FTP server to exploit the application by crashing it due to an overflow, leading to the execution of arbitrary code on the victim's machine. This vulnerability is similar to CVE-2009-3364 and CVE-2017-6465.
Understanding CVE-2018-7573
This CVE entry describes a critical vulnerability in FTPShell Client 6.7 that can be exploited by a remote attacker.
What is CVE-2018-7573?
CVE-2018-7573 is a security flaw in FTPShell Client 6.7 that enables a remote FTP server to crash the application through an overflow, allowing the execution of arbitrary code on the victim's machine.
The Impact of CVE-2018-7573
The exploitation of this vulnerability can result in unauthorized remote code execution on the affected system, potentially leading to a complete compromise of the victim's machine.
Technical Details of CVE-2018-7573
This section provides detailed technical information about the vulnerability.
Vulnerability Description
An issue in FTPShell Client 6.7 allows a remote FTP server to send a specific payload that triggers an overflow, causing the application to crash and enabling the execution of arbitrary code on the victim's machine.
Affected Systems and Versions
- Product: FTPShell Client 6.7
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
By sending 400 characters of 'F' along with the FTP 220 response code, the application crashes due to overflow, leading to the execution of arbitrary code on the victim's machine.
Mitigation and Prevention
Protecting systems from CVE-2018-7573 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable FTPShell Client 6.7 if not essential for operations.
- Implement network-level controls to restrict FTP traffic.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch FTPShell Client to the latest version.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users on safe FTP practices and security awareness.
- Consider using alternative secure file transfer protocols.
- Employ intrusion detection and prevention systems.
Patching and Updates
Ensure that FTPShell Client is updated to the latest version to mitigate the vulnerability and prevent potential exploitation.