CVE-2017-17933 : Security Advisory and Response

NetWin SurgeFTP version 23f2 is vulnerable to cross-site scripting (XSS) attacks through the Web Manager interface on TCP port 7021 or 9021.

Understanding CVE-2017-17933

The vulnerability in NetWin SurgeFTP version 23f2 allows for XSS attacks via specific parameters.

What is CVE-2017-17933?

The Web Manager interface on TCP port 7021 or 9021 in NetWin SurgeFTP version 23f2 is susceptible to cross-site scripting (XSS) attacks. These attacks can occur through the classid, domainid, or username parameter.

The Impact of CVE-2017-17933

Attackers can execute malicious scripts in the context of a user's session on the affected interface.
This vulnerability may lead to unauthorized access, data theft, or further exploitation of the system.

Technical Details of CVE-2017-17933

NetWin SurgeFTP version 23f2's vulnerability to XSS attacks is a critical security concern.

Vulnerability Description

The specific vulnerability lies in the cgi/surgeftpmgr.cgi component of NetWin SurgeFTP version 23f2.

Affected Systems and Versions

Product: NetWin SurgeFTP
Version: 23f2

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the classid, domainid, or username parameter.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2017-17933.

Immediate Steps to Take

Disable or restrict access to the Web Manager interface on TCP port 7021 or 9021.
Implement input validation mechanisms to sanitize user-supplied data.
Regularly monitor and audit network traffic for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate users and administrators about the risks of XSS attacks and best practices for secure web application development.

Patching and Updates

Apply patches or updates provided by NetWin SurgeFTP to address the XSS vulnerability in version 23f2.