CVE-2018-0614 in Calsos CSDX
Summary
by MITRE
Cross-site scripting vulnerability in NEC Platforms Calsos CSDX and CSDJ series products (CSDX 1.37210411 and earlier, CSDX(P) 4.37210411 and earlier, CSDX(D) 3.37210411 and earlier, CSDX(S) 2.37210411 and earlier, CSDJ-B 01.03.00 and earlier, CSDJ-H 01.03.00 and earlier, CSDJ-D 01.03.00 and earlier, CSDJ-A 03.00.00) allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/10/2020
The CVE-2018-0614 vulnerability represents a critical cross-site scripting flaw affecting NEC Platforms Calsos CSDX and CSDJ series network security appliances. This vulnerability resides within the web-based management interfaces of these devices, which are commonly deployed in enterprise and industrial network environments for security monitoring and control. The affected versions include multiple iterations of both CSDX and CSDJ series products, with specific version thresholds indicating the scope of impacted firmware releases. The vulnerability stems from inadequate input validation and output encoding mechanisms within the web interface components, creating an exploitable condition that allows remote attackers to inject malicious code.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The flaw manifests when the system fails to properly sanitize user-supplied input before rendering it within web pages, enabling attackers to inject malicious scripts that execute in the context of other users' browsers. The unspecified attack vectors suggest that multiple input points within the web interface could potentially be exploited, including parameters in URLs, form fields, or HTTP headers. This lack of specificity in the vector description indicates that the vulnerability may exist across several interface components, increasing the attack surface and exploitability of the flaw.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to establish persistent access to affected systems. Successful exploitation could enable attackers to steal session cookies, perform unauthorized administrative actions, redirect users to malicious sites, or even execute arbitrary code within the context of the web application. Given that these devices are typically deployed in network security infrastructure, the compromise of such appliances could lead to significant network-wide consequences, including unauthorized access to sensitive network data, disruption of security monitoring functions, and potential lateral movement within the network. The vulnerability particularly impacts industrial control systems and network security environments where these devices are commonly deployed.
Mitigation strategies for CVE-2018-0614 should prioritize immediate firmware updates from NEC Platforms, as these releases typically contain patches addressing the specific input validation issues. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks, while regular security assessments should monitor for any unauthorized access attempts. The vulnerability demonstrates the importance of input sanitization practices and proper output encoding in web applications, aligning with ATT&CK technique T1059.007 for scripting and T1566 for credential access through web-based attacks. Organizations should also implement web application firewalls and monitor for suspicious traffic patterns that may indicate exploitation attempts. Given the industrial nature of these devices, additional considerations should include maintaining air-gapped environments where possible and implementing robust change management processes for firmware updates.