CVE-2010-5192 in SGOS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Java Management Console in Blue Coat ProxySG before SGOS 4.3.4.1, 5.x before SGOS 5.4.5.1, 5.5 before SGOS 5.5.4.1, and 6.x before SGOS 6.1.1.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 12/02/2024
The CVE-2010-5192 vulnerability represents a critical cross-site scripting flaw within the Java Management Console component of Blue Coat ProxySG appliances across multiple software versions. This vulnerability exists in the web-based management interface that administrators use to configure and monitor proxy settings, making it a significant concern for organizations relying on these security appliances. The flaw affects versions prior to specific patch releases including SGOS 4.3.4.1, 5.4.5.1, 5.5.4.1, and 6.1.1.1, indicating a widespread impact across the product lifecycle. The vulnerability is particularly dangerous because it allows remote attackers to execute malicious scripts within the context of authenticated sessions, potentially compromising the entire network security infrastructure.
The technical nature of this XSS vulnerability stems from inadequate input validation and output encoding within the Java Management Console's web interface. Attackers can exploit unspecified vectors to inject malicious JavaScript code or HTML content that gets executed in the browser of authenticated users who access the management console. This type of vulnerability typically occurs when user-supplied data is directly incorporated into web pages without proper sanitization or encoding mechanisms. The vulnerability maps to CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a classic case of insufficient input validation leading to code injection. The attack vector is particularly concerning because it targets the administrative interface, meaning successful exploitation could provide attackers with full administrative privileges over the proxy appliance.
The operational impact of this vulnerability extends far beyond simple script execution, as it fundamentally compromises the security posture of organizations using Blue Coat ProxySG appliances. When an attacker successfully exploits this vulnerability, they can potentially access sensitive configuration data, modify proxy rules, redirect traffic, or even establish persistent backdoors within the network infrastructure. The vulnerability creates a pathway for attackers to escalate privileges and gain unauthorized access to the management console, which typically contains critical network security policies and configuration settings. This represents a significant threat to the principle of least privilege, as the compromised interface could provide attackers with the ability to modify firewall rules, access logs, and other sensitive administrative functions. Organizations may face regulatory compliance issues if this vulnerability leads to unauthorized access to protected data or network compromise.
Mitigation strategies for CVE-2010-5192 should prioritize immediate patching of affected Blue Coat ProxySG appliances to the recommended SGOS versions that contain the necessary security fixes. Network administrators should also implement additional protective measures including restricting access to the Java Management Console through network segmentation, implementing strict firewall rules, and utilizing VPNs for remote administrative access. The vulnerability's classification under ATT&CK technique T1071.004 for application layer protocol manipulation further emphasizes the need for comprehensive network monitoring and intrusion detection systems. Organizations should also consider implementing web application firewalls to detect and prevent XSS attack patterns targeting the management interface. Regular security assessments and penetration testing should be conducted to verify that the patching process was successful and that no residual vulnerabilities exist within the network infrastructure. Additionally, implementing multi-factor authentication for administrative access and regular security training for network administrators can help reduce the overall risk exposure associated with this and similar vulnerabilities.