CVE-2008-1322 in ASG-Sentry
Summary
by MITRE
The File Check Utility (fcheck.exe) in ASG-Sentry Network Manager 7.0.0 and earlier allows remote attackers to cause a denial of service (CPU consumption) or overwrite arbitrary files via a query string that specifies the -b option, probably due to an argument injection vulnerability.
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Analysis
by VulDB Data Team • 10/19/2024
The vulnerability identified as CVE-2008-1322 affects the File Check Utility component within ASG-Sentry Network Manager version 7.0.0 and earlier systems. This flaw manifests in the fcheck.exe executable which processes query strings containing the -b option, creating a significant security risk that can be exploited remotely by malicious actors. The vulnerability represents a critical weakness in the application's input validation mechanisms, specifically targeting how the system handles command-line arguments passed through network queries.
This issue constitutes a classic argument injection vulnerability that falls under the CWE-77 category, where attacker-controlled input is improperly incorporated into command-line arguments without adequate sanitization or validation. The flaw allows remote attackers to manipulate the utility's behavior by crafting malicious query strings that include the -b option, which then gets processed by the underlying system commands. The vulnerability's exploitation results in either excessive cpu consumption that leads to denial of service conditions or enables arbitrary file overwrite operations, both of which severely compromise system availability and data integrity. The attack vector operates through network-based queries that reach the vulnerable fcheck.exe utility, making it accessible to remote threat actors without requiring local system access.
The operational impact of this vulnerability extends beyond simple service disruption to encompass potential data corruption and unauthorized file manipulation. When exploited, the denial of service condition can consume excessive cpu resources, effectively rendering the network management system unresponsive to legitimate requests and potentially causing cascading failures in network monitoring capabilities. The arbitrary file overwrite functionality presents a more severe risk, as it allows attackers to modify critical system files or configuration data, potentially leading to privilege escalation, persistent backdoors, or complete system compromise. The vulnerability's remote exploitability means that attackers can leverage this weakness from external networks without requiring physical access to the target system, making it particularly dangerous in enterprise environments where network management systems are often exposed to external threats.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected ASG-Sentry Network Manager versions to address the input validation flaws in the fcheck.exe utility. Organizations should implement network segmentation to limit access to the vulnerable system and deploy intrusion detection systems to monitor for exploitation attempts. The remediation process must include thorough input validation and sanitization of all user-supplied data before processing, implementing proper argument escaping mechanisms, and conducting comprehensive security testing of command-line interface components. Additionally, system administrators should consider disabling unnecessary network services and implementing least privilege access controls to minimize potential impact if exploitation occurs. This vulnerability aligns with several ATT&CK tactics including privilege escalation and denial of service, requiring comprehensive defensive measures across multiple security domains to effectively protect against exploitation attempts.