CVE-2022-41555 in DIAEnergie
Summary
by MITRE • 10/28/2022
The affected product DIAEnergie (versions prior to v1.9.01.002) is vulnerable to a stored cross-site scripting vulnerability through the PutLineMessageSetting API.
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Analysis
by VulDB Data Team • 11/26/2022
The vulnerability identified as CVE-2022-41555 affects the DIAEnergie product line, specifically versions prior to v1.9.01.002, and represents a critical stored cross-site scripting flaw within the PutLineMessageSetting API. This vulnerability resides in the product's handling of user-supplied input data that is subsequently stored and later rendered without proper sanitization or encoding mechanisms. The affected API endpoint processes line message settings that users can configure, creating a persistent vector where malicious input can be stored server-side and executed whenever the data is retrieved or displayed in web interfaces. This type of vulnerability allows attackers to inject malicious scripts that execute in the context of other users' browsers, potentially compromising user sessions and enabling unauthorized access to sensitive information. The vulnerability directly maps to CWE-79, which defines cross-site scripting as a weakness where untrusted data is improperly incorporated into web pages served to users without adequate sanitization or encoding.
The technical exploitation of this vulnerability occurs when an attacker submits malicious script code through the PutLineMessageSetting API endpoint, which then gets stored in the application's database or configuration files. When other users interact with the application and the stored message content is rendered in web interfaces, the malicious script executes in their browsers, potentially stealing session cookies, redirecting users to malicious sites, or performing unauthorized actions on behalf of the victims. The persistence of this vulnerability stems from the lack of proper input validation and output encoding mechanisms within the application's data processing pipeline, allowing malicious payloads to remain active until manually removed or until the affected product is updated to a secure version. This stored XSS vulnerability creates a particularly dangerous attack surface because the malicious code can affect multiple users over time rather than requiring immediate interaction with the vulnerable endpoint.
The operational impact of CVE-2022-41555 extends beyond simple data theft or session hijacking, potentially enabling attackers to escalate privileges, access sensitive operational data, or compromise the integrity of the entire DIAEnergie system. Attackers can leverage this vulnerability to gain unauthorized access to critical infrastructure settings, manipulate operational parameters, or establish persistent backdoors within the system. The vulnerability affects the confidentiality, integrity, and availability of the affected system, as malicious actors can disrupt normal operations, steal sensitive information, or modify system configurations. Organizations utilizing affected DIAEnergie versions face significant risk of data breaches, regulatory compliance violations, and potential operational disruptions that could impact critical infrastructure management and control systems.
Mitigation strategies for this vulnerability primarily involve upgrading to DIAEnergie version v1.9.01.002 or later, which includes proper input validation and output encoding mechanisms to prevent malicious script injection. Organizations should also implement comprehensive web application firewall rules to detect and block suspicious payloads targeting the PutLineMessageSetting API endpoint. Additional protective measures include implementing strict input validation at multiple layers, enforcing proper output encoding for all user-supplied data, and conducting regular security assessments of API endpoints. Security teams should also establish monitoring protocols to detect anomalous API usage patterns that may indicate exploitation attempts. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious file delivery and T1059.001 for command and scripting interpreter usage, making it a critical target for both preventive and detective security controls. Organizations should also consider implementing principle of least privilege access controls for API endpoints and establishing incident response procedures specifically tailored to address cross-site scripting vulnerabilities in industrial control systems.