CVE-2015-3447 in SonicWall
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in macIpSpoofView.html in Dell SonicWall SonicOS 7.5.0.12 and 6.x allow remote attackers to inject arbitrary web script or HTML via the (1) searchSpoof or (2) searchSpoofIpDet parameter.
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Analysis
by VulDB Data Team • 05/10/2022
The vulnerability identified as CVE-2015-3447 represents a critical cross-site scripting flaw in Dell SonicWall SonicOS versions 7.5.0.12 and 6.x affecting the macIpSpoofView.html web interface component. This vulnerability resides within the administrative web console of SonicWall firewalls, which are widely deployed network security appliances used by enterprises to protect their network infrastructure. The flaw specifically impacts the handling of user-supplied input parameters within the web interface, creating a pathway for remote attackers to execute malicious code within the context of authenticated users' browsers.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the macIpSpoofView.html page. Attackers can exploit this weakness by manipulating two specific parameters: searchSpoof and searchSpoofIpDet. When these parameters receive malicious input, the web application fails to properly sanitize or encode the data before incorporating it into dynamically generated HTML content. This allows attackers to inject arbitrary JavaScript code or HTML elements that execute within the victim's browser session, potentially leading to session hijacking, data theft, or further exploitation of the compromised system.
The operational impact of CVE-2015-3447 extends beyond simple XSS execution, as it provides attackers with a foothold within the network security infrastructure. Since SonicWall firewalls serve as critical gateways for network traffic, successful exploitation could enable attackers to manipulate firewall configurations, monitor network communications, or bypass security controls. The vulnerability affects both versions 6.x and 7.5.0.12, indicating it was present across multiple generations of the SonicOS platform, potentially affecting a wide range of deployed appliances. This cross-version vulnerability demonstrates the persistence of input validation flaws in enterprise security products and highlights the importance of thorough security testing across product lifecycles.
From a cybersecurity perspective, this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities in web applications. The attack vector follows typical ATT&CK techniques for credential access and privilege escalation through web application exploitation. The remote nature of the vulnerability means that attackers do not require physical access to the network or direct network connectivity to the firewall, making it particularly dangerous for organizations with remote management capabilities. Organizations utilizing SonicWall appliances should immediately implement mitigations including web application firewalls, input validation controls, and prompt patch deployment to address this vulnerability. The incident underscores the critical need for security professionals to maintain vigilance in web application security testing and to ensure proper input sanitization across all components of network security infrastructure, particularly those handling administrative interfaces that may be exposed to external networks.