CVE-2008-2032 in Femitter Server
Summary
by MITRE
The FTP service in Acritum Femitter Server 1.03 allows remote attackers to cause a denial of service (crash) by sending multiple crafted RETR commands. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 02/27/2025
The vulnerability identified as CVE-2008-2032 affects the FTP service component of Acritum Femitter Server version 1.03, representing a significant security weakness that enables remote attackers to execute denial of service attacks. This flaw manifests through the improper handling of multiple crafted RETR commands sent to the FTP service, which ultimately leads to service termination and system instability. The vulnerability exists within the server's file retrieval mechanism, specifically when processing consecutive RETR requests that contain malformed or specially constructed parameters designed to exploit buffer management issues.
The technical implementation of this vulnerability stems from inadequate input validation and error handling within the FTP service's RETR command processing logic. When multiple RETR commands are submitted in rapid succession with crafted parameters, the service fails to properly manage memory allocation and request processing, resulting in stack corruption or memory exhaustion conditions. This type of vulnerability aligns with CWE-129, which addresses improper validation of length of input data, and CWE-121, which covers stack-based buffer overflow conditions. The flaw demonstrates characteristics of a resource exhaustion attack pattern where the service's inability to handle concurrent or sequential requests leads to system crash conditions.
From an operational perspective, this vulnerability presents a critical risk to organizations relying on Acritum Femitter Server for file transfer operations, as it can be exploited remotely without authentication requirements. Attackers can leverage this weakness to disrupt legitimate file transfer services, potentially causing business disruption and data accessibility issues. The impact extends beyond simple service interruption to encompass potential system instability that may affect other running services or applications on the same host. According to ATT&CK framework category T1499, this vulnerability enables adversaries to perform disruption of services through resource exhaustion techniques, while T1190 represents the initial access vector through which attackers can exploit the unpatched FTP service.
Organizations should implement immediate mitigations including applying the latest security patches from Acritum if available, configuring firewall rules to restrict FTP service access to trusted networks, and implementing intrusion detection systems to monitor for suspicious RETR command patterns. Network segmentation and access control measures can help limit the attack surface, while regular security assessments should verify that no other services on the same host may be similarly vulnerable. Additionally, implementing rate limiting mechanisms on FTP service requests can help prevent exploitation through excessive command submissions. The vulnerability highlights the importance of proper input validation and error handling in network services, particularly those handling file transfer operations where malformed requests can lead to service termination and broader system impacts.