CVE-2005-1002 in LOG-FT
Summary
by MITRE
logwebftbs2000.exe in Logics Software File Transfer (LOG-FT) allows remote attackers to read arbitrary files via modified (1) VAR_FT_LANG and (2) VAR_FT_TMPL parameters.
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Analysis
by VulDB Data Team • 04/12/2019
The vulnerability identified as CVE-2005-1002 affects the logwebftbs2000.exe component within Logics Software File Transfer (LOG-FT) software suite, representing a critical directory traversal flaw that enables remote attackers to access arbitrary files on the affected system. This vulnerability specifically targets the VAR_FT_LANG and VAR_FT_TMPL parameters within the web interface, demonstrating a classic path traversal vulnerability that has been prevalent in web applications for decades. The flaw exists in the input validation mechanisms of the file transfer software's web interface, where user-supplied parameters are not properly sanitized before being processed by the underlying file system operations. This allows malicious actors to manipulate the parameter values to navigate beyond the intended directory structure and access files that should remain protected, potentially exposing sensitive system information, configuration files, or even system binaries. The vulnerability is particularly concerning as it operates at the application layer and can be exploited remotely without requiring any authentication credentials, making it highly attractive to attackers seeking to gather intelligence or escalate their access within the target environment. The technical implementation of this vulnerability aligns with CWE-22, which categorizes directory traversal attacks as a fundamental weakness in input validation, where applications fail to properly validate or sanitize user-supplied input before using it in file system operations.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to access potentially sensitive data that could include user credentials, system configurations, or business-critical information stored in the file system. Attackers can leverage this vulnerability to perform reconnaissance activities by reading system files, configuration files, or log files that may contain valuable information about the system architecture, user accounts, or application settings. The remote nature of the exploit means that attackers can target vulnerable systems from anywhere on the network without requiring physical access or prior authentication, significantly expanding the attack surface and making the vulnerability particularly dangerous in enterprise environments where file transfer systems are commonly deployed. This type of vulnerability also creates opportunities for further exploitation, as the information gathered through file reading can be used to identify additional vulnerabilities or to craft more sophisticated attacks targeting other components of the system. The vulnerability's presence in a file transfer application is especially problematic as these systems often handle sensitive data and may have access to restricted directories or files that are not typically exposed through normal network services.
Security professionals should implement multiple layers of mitigation strategies to address this vulnerability effectively. The primary remediation involves updating the affected Logics Software File Transfer application to a patched version that properly validates and sanitizes the VAR_FT_LANG and VAR_FT_TMPL parameters, preventing directory traversal attacks from succeeding. Organizations should also implement proper input validation at the application level, ensuring that all user-supplied parameters are strictly validated against a known set of acceptable values before being processed. Network-based mitigations include implementing web application firewalls that can detect and block suspicious parameter values that attempt to traverse directories, as well as restricting access to the vulnerable web interface through network segmentation and access controls. Additionally, system administrators should conduct thorough audits of file permissions and access controls to ensure that even if an attacker manages to exploit this vulnerability, they cannot access critical system files or sensitive data. The vulnerability also highlights the importance of maintaining up-to-date security patches and implementing proper security monitoring to detect potential exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to techniques involving directory traversal and privilege escalation, with potential for lateral movement within the network once initial access is gained through information gathering activities. Organizations should also consider implementing principle of least privilege access controls and regular security assessments to identify and remediate similar vulnerabilities that may exist in other applications or system components.