CVE-2011-3320 in Intelligent Platforms Proficy Historian
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Web Administrator component in GE Intelligent Platforms Proficy Historian 4.x and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.
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Analysis
by VulDB Data Team • 11/25/2021
The CVE-2011-3320 vulnerability represents a critical cross-site scripting flaw within the Web Administrator component of GE Intelligent Platforms Proficy Historian versions 4.x and earlier. This vulnerability exposes industrial control systems to potential remote exploitation by malicious actors who can inject arbitrary web script or HTML code through unspecified parameters. The affected system operates within industrial environments where security is paramount, making this vulnerability particularly concerning for operational technology infrastructure. The flaw resides in the web interface component responsible for administrative functions, which processes user inputs without adequate sanitization mechanisms. This creates an avenue for attackers to execute malicious code within the context of authenticated users' browsers, potentially leading to unauthorized access to sensitive operational data and system controls.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the web administrator interface. When users interact with the Proficy Historian web components, the system fails to properly sanitize or escape user-supplied parameters before rendering them in web pages. This allows attackers to craft malicious payloads that get executed when other users view the affected pages. The unspecified nature of the vulnerable parameters suggests that multiple input vectors within the web administrator interface may be susceptible to this attack vector. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, where improper validation of user-supplied data leads to code execution in the victim's browser context. This weakness directly enables attackers to bypass normal security boundaries and potentially escalate their privileges within the industrial control environment.
The operational impact of CVE-2011-3320 extends beyond traditional web application security concerns into the critical realm of industrial control systems and operational technology environments. Attackers exploiting this vulnerability could gain unauthorized access to historical data, modify system configurations, or potentially disrupt industrial processes by manipulating the web interface. The implications are particularly severe in environments where Proficy Historian is used for critical infrastructure monitoring and data collection, as these systems often contain sensitive operational information and may control physical processes. The remote nature of the attack means that threat actors can exploit this vulnerability from outside the corporate network, potentially targeting industrial facilities from internet-connected locations. This vulnerability creates a pathway for attackers to establish persistent access points within industrial networks, potentially enabling more sophisticated attacks against the broader operational technology infrastructure. Organizations using these systems face significant risks including data integrity compromise, unauthorized system access, and potential disruption of critical industrial operations.
Mitigation strategies for CVE-2011-3320 should prioritize immediate system updates and patches provided by GE Intelligent Platforms to address the identified cross-site scripting vulnerability. Organizations must implement comprehensive input validation and output encoding mechanisms throughout their web applications, ensuring all user-supplied data is properly sanitized before processing. Network segmentation and access controls should be strengthened to limit exposure of the affected web administrator interface to only authorized personnel. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within industrial control systems. The implementation of web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts. Organizations should also establish robust incident response procedures specifically designed for industrial control systems, ensuring rapid identification and containment of potential security breaches. Compliance with industry standards such as NIST SP 800-82 for industrial control systems security and IEC 62443 for industrial automation and control systems should be maintained to ensure comprehensive security postures. Additionally, regular security awareness training for personnel managing industrial control systems can help prevent social engineering attacks that might exploit this vulnerability.