CVE-2022-48192 in smartLink SW-HT
Summary
by MITRE • 11/06/2023
Cross-site Scripting vulnerability in Softing smartLink SW-HT before 1.30, which allows an attacker to execute a dynamic script (JavaScript, VBScript) in the context of the application.
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Analysis
by VulDB Data Team • 12/02/2023
This cross-site scripting vulnerability exists in Softing smartLink SW-HT versions prior to 1.30, representing a critical security flaw that enables remote attackers to inject malicious scripts into web applications. The vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting attacks where untrusted data is improperly integrated into web pages without proper validation or sanitization. The flaw allows attackers to execute dynamic scripts such as JavaScript and VBScript within the context of the application, potentially compromising user sessions and data integrity.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the smartLink SW-HT web interface. When user-supplied data is processed and rendered back to the browser without proper sanitization, attackers can craft malicious payloads that execute in the victim's browser context. This creates a persistent threat vector where malicious scripts can access session cookies, modify page content, redirect users to malicious sites, or perform actions on behalf of authenticated users. The vulnerability affects the application's web interface components that handle user input, particularly those related to configuration parameters, device management, or data display functions.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with a foothold for more sophisticated attacks within the network environment. An attacker could leverage this XSS flaw to steal user credentials, hijack sessions, or manipulate application functionality to gain unauthorized access to sensitive system information. The attack surface is particularly concerning given that smartLink SW-HT is designed for industrial automation and control systems, where compromised web interfaces could lead to operational technology disruptions or unauthorized access to critical infrastructure components. This vulnerability aligns with ATT&CK technique T1531, which focuses on external remote services and network infrastructure manipulation.
Mitigation strategies should include immediate deployment of the patched version 1.30 or later, which implements proper input validation and output encoding mechanisms to prevent script injection. Organizations should also implement web application firewalls to detect and block suspicious script payloads, conduct regular security assessments of web interfaces, and establish secure coding practices that enforce strict input sanitization. Additionally, network segmentation and privilege separation can help limit the potential impact if the vulnerability is exploited, while regular security updates and vulnerability management processes should be maintained to prevent similar issues in other components of the industrial control system environment.