CVE-2007-1195 in XM Easy Personal FTP Server
Summary
by MITRE
Multiple buffer overflows in XM Easy Personal FTP Server 5.3.0 allow remote attackers to execute arbitrary code via unspecified vectors. NOTE: this issue might overlap CVE-2006-2225, CVE-2006-2226, or CVE-2006-5728.
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Analysis
by VulDB Data Team • 08/25/2024
The vulnerability identified as CVE-2007-1195 represents a critical security flaw in XM Easy Personal FTP Server version 5.3.0 that exposes the system to remote code execution attacks through multiple buffer overflow conditions. This type of vulnerability falls under the broader category of software defects that occur when more data is written to a fixed-length buffer than it can accommodate, leading to memory corruption that attackers can exploit to gain unauthorized control over the affected system. The vulnerability specifically affects the FTP server component that handles network communication and file transfer operations, making it particularly dangerous in environments where file sharing and remote access are common practices.
Buffer overflow vulnerabilities in network services like FTP servers are particularly severe because they can be exploited remotely without requiring any prior authentication or access to the system. The unspecified vectors mentioned in the description suggest that the vulnerability may manifest through various attack surfaces within the FTP server implementation, potentially including commands related to user authentication, file operations, directory traversal, or connection management. These types of flaws are classified under CWE-121 as stack-based buffer overflows or CWE-122 as heap-based buffer overflows depending on the specific implementation details, and they align with ATT&CK technique T1190 which describes the use of buffer overflow exploits to gain code execution. The exploitation of such vulnerabilities typically involves crafting malicious input that overflows the allocated buffer space, potentially overwriting critical memory locations including return addresses, function pointers, or other control structures that govern program execution flow.
The operational impact of this vulnerability extends beyond simple system compromise as it enables attackers to execute arbitrary code with the privileges of the FTP server process, which often runs with elevated permissions to manage file systems and network resources. Successful exploitation could allow attackers to install malware, modify or delete sensitive files, establish persistent backdoors, or use the compromised server as a launch point for further attacks within the network infrastructure. Organizations using XM Easy Personal FTP Server 5.3.0 face significant risk of unauthorized data access and system compromise, particularly in environments where the server is accessible from untrusted networks or where it handles sensitive information. The potential for lateral movement within network environments makes this vulnerability especially dangerous, as attackers can leverage the compromised FTP server to pivot to other systems and escalate their privileges.
Mitigation strategies for CVE-2007-1195 should prioritize immediate remediation through software updates and patches provided by the vendor, as this vulnerability has been widely recognized and addressed in subsequent versions of the software. System administrators should implement network segmentation and access controls to limit exposure of FTP services to trusted networks only, while also deploying intrusion detection systems that can monitor for suspicious FTP traffic patterns. Additionally, the principle of least privilege should be enforced by running the FTP server with minimal required permissions and regularly auditing access logs for signs of exploitation attempts. The vulnerability demonstrates the importance of regular software updates and security assessments as recommended by security frameworks such as NIST SP 800-40, which emphasizes the need for continuous vulnerability management and the implementation of defense-in-depth strategies to protect against known exploits. Organizations should also consider migrating to more modern and actively supported FTP server implementations that incorporate better memory safety practices and have established security track records.