CVE-2006-4959 in Secure Global Desktop
Summary
by MITRE
Sun Secure Global Desktop (SSGD, aka Tarantella) before 4.3 allows remote attackers to obtain sensitive information, including hostnames, versions, and settings details, via unspecified vectors, possibly involving (1) taarchives.cgi, (2) ttaAuthentication.jsp, (3) ttalicense.cgi, (4) ttawlogin.cgi, (5) ttawebtop.cgi, (6) ttaabout.cgi, or (7) test-cgi. NOTE: This information is based upon a vague initial disclosure. Details will be updated as they become available.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/09/2019
Sun Secure Global Desktop represents a comprehensive remote desktop solution that enables centralized management of desktop environments across enterprise networks. The vulnerability identified in CVE-2006-4959 affects versions prior to 4.3 and exposes critical system information through multiple CGI scripts and JSP components within the application framework. This weakness fundamentally compromises the security posture by allowing unauthenticated remote attackers to gather detailed system intelligence that could facilitate subsequent exploitation attempts. The affected components include taarchives.cgi, ttaAuthentication.jsp, ttalicense.cgi, ttawlogin.cgi, ttawebtop.cgi, ttaabout.cgi, and test-cgi, all of which may be leveraged to extract sensitive hostnames, version information, and configuration details.
The technical flaw manifests as insufficient input validation and output sanitization within the web application's scripting components, creating information disclosure vulnerabilities that operate at the application layer. Attackers can exploit these entry points to retrieve system metadata that would normally remain hidden from external observers. This vulnerability directly corresponds to CWE-200, which addresses the exposure of sensitive information to an unauthorized actor, and aligns with ATT&CK technique T1213.002 for Data from Information Repositories. The flaw operates by bypassing proper authentication mechanisms and leveraging the application's inherent design to return system-specific information without adequate access controls.
The operational impact of this vulnerability extends beyond simple information gathering, as the exposed system details provide attackers with crucial intelligence for planning more sophisticated attacks. Hostname information can reveal network topology and system roles within the enterprise infrastructure, while version disclosures indicate potential known vulnerabilities in the software stack. Configuration details and settings information can expose weak security practices or misconfigurations that attackers can exploit to escalate privileges or gain deeper system access. This information disclosure creates a significant risk for enterprise environments where SSGD serves as a critical component of remote desktop infrastructure, potentially enabling attackers to conduct reconnaissance activities that would otherwise be difficult to perform.
Organizations should immediately implement comprehensive patch management procedures to upgrade to SSGD version 4.3 or later, which addresses this vulnerability through enhanced input validation and access control mechanisms. Network segmentation strategies should be employed to limit exposure of affected systems to untrusted networks, while implementing web application firewalls to monitor and filter requests to the vulnerable CGI and JSP endpoints. Regular security assessments should verify that all application components properly validate input parameters and sanitize output to prevent similar information disclosure scenarios. Additionally, organizations should establish monitoring protocols to detect anomalous access patterns to system information endpoints, as this vulnerability could be exploited as part of broader reconnaissance campaigns targeting enterprise network infrastructure. The remediation process should include thorough testing of patched components to ensure that the security enhancements do not introduce functional regressions while maintaining the integrity of the remote desktop services.