CVE-2007-5930 in FTP Server
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the web interface in Cerberus FTP Server before 2.46 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 11/08/2017
The CVE-2007-5930 vulnerability represents a critical cross-site scripting flaw discovered in the web interface of Cerberus FTP Server versions prior to 2.46. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The vulnerability exists within the server's web administration interface, making it accessible to remote attackers who can exploit it without requiring authentication or local system access. The unspecified vectors suggest that the flaw could be triggered through multiple input points within the web interface, potentially including user-supplied parameters, configuration fields, or administrative inputs that are not properly sanitized or validated.
The technical implementation of this vulnerability allows attackers to inject malicious scripts or HTML code into the web interface, which then executes in the context of other users' browsers who visit the compromised pages. This type of attack enables a range of malicious activities including session hijacking, credential theft, data exfiltration, and manipulation of the web interface for further exploitation. The vulnerability's impact is particularly severe because it affects the administrative web interface, potentially allowing attackers to gain unauthorized access to server configuration settings, user accounts, and sensitive operational data. Attackers could leverage this flaw to execute persistent malicious code that would continue to affect users until the vulnerability is patched or the affected interface is disabled.
From an operational perspective, this vulnerability presents significant risks to organizations relying on Cerberus FTP Server for file transfer operations. The attack surface is expanded due to the web interface being accessible over the network, making it a prime target for automated scanning and exploitation by threat actors. The lack of specific input validation and sanitization in the web interface components creates multiple potential attack vectors that could be exploited through various means including crafted HTTP requests, malformed parameters, or manipulated administrative inputs. This vulnerability also aligns with ATT&CK technique T1190 - Exploit Public-Facing Application, which describes how adversaries target exposed services to gain initial access to networks.
Organizations affected by this vulnerability should implement immediate mitigations including upgrading to Cerberus FTP Server version 2.46 or later, which contains the necessary patches to address the XSS flaw. Network segmentation and access controls should be implemented to limit exposure of the web interface to trusted networks only, while also deploying web application firewalls to detect and block malicious script injection attempts. Input validation and output encoding should be strengthened throughout the web interface to prevent similar vulnerabilities from occurring in other components. Regular security assessments and penetration testing should be conducted to identify and remediate potential XSS vulnerabilities in other web applications and interfaces. The vulnerability also highlights the importance of maintaining current software versions and implementing proper security patch management procedures to prevent exploitation of known vulnerabilities.