CVE-2007-6281 in Open File Manager
Summary
by MITRE
Heap-based buffer overflow in Open File Manager service (ofmnt.exe) in St. Bernard Open File Manager 9.5 allows remote attackers to execute arbitrary code via a long request.
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Analysis
by VulDB Data Team • 11/03/2017
The vulnerability identified as CVE-2007-6281 represents a critical heap-based buffer overflow flaw within the Open File Manager service component of St. Bernard Open File Manager version 9.5. This specific vulnerability affects the ofmnt.exe service which operates as a remote file management utility, creating an exploitable condition that can be leveraged by remote attackers to gain arbitrary code execution privileges on affected systems. The flaw manifests when the service processes incoming requests that exceed the allocated buffer size, leading to memory corruption that can be systematically exploited.
The technical implementation of this vulnerability stems from improper input validation within the ofmnt.exe service routine. When processing network requests containing excessively long data payloads, the service fails to properly bounds-check the incoming data before copying it into fixed-size heap buffers. This classic buffer overflow condition allows attackers to overwrite adjacent memory locations including return addresses, function pointers, and other critical control data structures. The heap-based nature of the vulnerability means that the overflow occurs within dynamically allocated memory regions rather than stack-based buffers, making the exploitation more complex but still highly effective when properly crafted.
From an operational perspective, this vulnerability presents a severe threat to organizations utilizing St. Bernard Open File Manager 9.5, as it enables remote code execution without requiring authentication or prior access to the system. Attackers can exploit this weakness by sending specially crafted network requests to the affected service, potentially gaining full system control, executing malicious code, or establishing persistent backdoor access. The implications extend beyond simple privilege escalation to include potential data exfiltration, system compromise, and lateral movement within network environments where the vulnerable service operates.
The vulnerability aligns with CWE-121, heap-based buffer overflow, and represents a direct threat to the integrity and availability of affected systems. According to ATT&CK framework, this weakness maps to T1059 (Command and Scripting Interpreter) and T1068 (Exploitation for Privilege Escalation) techniques, as attackers can leverage the vulnerability to execute arbitrary commands and escalate privileges. Organizations should prioritize immediate remediation through vendor patches, network segmentation to restrict access to the vulnerable service, and implementation of intrusion detection systems to monitor for exploitation attempts. The vulnerability also underscores the importance of regular security assessments and proper input validation practices in network service implementations to prevent similar heap corruption issues in future software deployments.