CVE-2007-4151 in Audit
Summary
by MITRE
The Visionsoft Audit on Demand Service (VSAOD) in Visionsoft Audit 12.4.0.0 allows remote attackers to obtain sensitive information via (1) a LOG.ON command, which reveals the logging pathname in the server response; (2) a VER command, which reveals the version number in the server response; and (3) a connection, which reveals the version number in the banner.
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Analysis
by VulDB Data Team • 09/06/2018
The vulnerability identified as CVE-2007-4151 affects the Visionsoft Audit on Demand Service (VSAOD) component within Visionsoft Audit version 12.4.0.0, representing a significant information disclosure weakness that exposes critical system details to unauthenticated remote attackers. This vulnerability resides in the service's response handling mechanisms where it inadvertently reveals sensitive operational information through multiple communication channels. The flaw demonstrates poor security implementation practices in the service's protocol design and response generation processes, creating opportunities for attackers to gather intelligence about the target system's configuration and operational state.
The technical exploitation of this vulnerability occurs through three distinct attack vectors that collectively provide attackers with comprehensive information about the system's operational environment. The first vector involves the LOG.ON command which, when processed by the service, returns the logging pathname in the server response, effectively exposing the system's file structure and potentially sensitive directory locations where audit logs are stored. The second vector utilizes the VER command which reveals the version number of the service in the server response, providing attackers with precise information about the software version that may be used to identify known vulnerabilities or exploits. The third vector involves the initial connection process where the version number is disclosed in the banner response, creating another avenue for information gathering without requiring any authentication or specific command execution.
This vulnerability significantly impacts the operational security posture of systems utilizing Visionsoft Audit 12.4.0.0 by enabling attackers to perform reconnaissance activities that would otherwise require more sophisticated or time-consuming techniques. The exposure of logging pathnames can potentially lead to further exploitation opportunities, as attackers may discover sensitive directories or files that could contain additional confidential information. The disclosure of version numbers creates immediate threats for attackers who can leverage this information to target specific known vulnerabilities in the software version, potentially leading to privilege escalation or system compromise. According to CWE classification, this vulnerability maps to CWE-200 Information Exposure, specifically covering the disclosure of system information that could be used for further attacks.
The operational impact of CVE-2007-4151 extends beyond simple information disclosure as it enables attackers to conduct more sophisticated reconnaissance activities that can inform subsequent attack phases. Attackers can use the disclosed information to map the system architecture, understand the logging infrastructure, and identify potential attack vectors that may not be immediately apparent. The banner version disclosure provides attackers with precise software version details that can be cross-referenced against vulnerability databases to identify additional exploits or attack vectors. This vulnerability directly aligns with ATT&CK technique T1082 System Information Discovery, where adversaries gather detailed information about the target system to inform their attack strategies.
Mitigation strategies for this vulnerability should focus on implementing proper response handling that does not expose system-specific information to unauthorized parties. Organizations should modify the service configuration to remove or obfuscate version information from responses, particularly in banner and command responses. The implementation of access controls and authentication mechanisms should be strengthened to prevent unauthorized access to the service. Regular security audits and penetration testing should be conducted to identify similar information disclosure vulnerabilities in other services and components. System administrators should also implement network segmentation and monitoring to detect unauthorized access attempts to the vulnerable service. The vulnerability demonstrates the importance of following secure coding practices and implementing defense-in-depth strategies that prevent information leakage at multiple levels of system interaction.