CVE-2014-8420 in SonicWall GMS Virtual Appliance
Summary
by MITRE
The ViewPoint web application in Dell SonicWALL Global Management System (GMS) before 7.2 SP2, SonicWALL Analyzer before 7.2 SP2, and SonicWALL UMA before 7.2 SP2 allows remote authenticated users to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 07/06/2017
The vulnerability identified as CVE-2014-8420 represents a critical remote code execution flaw within Dell SonicWALL's management ecosystem. This vulnerability affects multiple components including the ViewPoint web application in SonicWALL Global Management System versions prior to 7.2 Service Pack 2, SonicWALL Analyzer versions before 7.2 Service Pack 2, and SonicWALL UMA versions before 7.2 Service Pack 2. The flaw enables authenticated attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise and unauthorized access to sensitive network infrastructure.
The technical nature of this vulnerability stems from insufficient input validation and sanitization mechanisms within the ViewPoint web application component. Attackers who have already gained authentication credentials can exploit this weakness through unspecified vectors that likely involve manipulation of application parameters or input fields. This type of vulnerability falls under CWE-77 and CWE-94 categories, representing command injection and code injection flaws respectively. The vulnerability's classification aligns with ATT&CK technique T1059 which describes the execution of malicious code through various system interfaces.
The operational impact of CVE-2014-8420 is severe for organizations utilizing affected SonicWALL products, as it provides attackers with a pathway to execute arbitrary commands on management systems that control critical network security functions. This could result in complete network compromise, data exfiltration, and disruption of security controls. The vulnerability's remote nature means that attackers do not require physical access to the systems, and the authenticated requirement reduces the attack surface while still maintaining significant risk potential. Organizations with extensive SonicWALL deployments across their network infrastructure face particularly high exposure due to the centralized management nature of these products.
Mitigation strategies for this vulnerability primarily involve immediate application of Dell's security patches and updates to versions 7.2 Service Pack 2 or later. Network administrators should also implement additional security controls including network segmentation, access control restrictions, and monitoring for suspicious authentication patterns. The vulnerability's characteristics suggest that implementing principle of least privilege for management system access and regular security assessments would significantly reduce risk exposure. Organizations should also consider deploying intrusion detection systems to monitor for exploitation attempts and maintain comprehensive incident response procedures to address potential compromise scenarios.