CVE-2008-5549 in Java System Portal Server
Summary
by MITRE
Unspecified vulnerability in the Sun Java Web Console components in Sun Java System Portal Server 7.1 and 7.2 allows remote attackers to access local files and read the product s configuration information via unknown vectors related to "access to secure files by ThemeServlet."
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Analysis
by VulDB Data Team • 11/28/2017
The vulnerability identified as CVE-2008-5549 represents a critical security flaw within the Sun Java Web Console components of Sun Java System Portal Server versions 7.1 and 7.2. This issue manifests as an unspecified weakness that enables remote attackers to gain unauthorized access to local files and extract sensitive configuration information from the affected product. The vulnerability specifically relates to the ThemeServlet component which handles the rendering and management of web application themes within the portal server environment. The attack vector involves exploitation of access controls that should normally prevent unauthorized file access, allowing malicious actors to bypass security mechanisms designed to protect sensitive system resources.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the ThemeServlet implementation. When processing requests related to theme management and file access, the servlet fails to properly authenticate and authorize remote users attempting to access secure files that should only be available to authorized administrators or system processes. This weakness creates a path for attackers to traverse the file system boundaries and retrieve configuration data that may contain sensitive information such as database connection strings, cryptographic keys, or other administrative credentials. The vulnerability operates at the application layer and leverages the web console's functionality to access resources that are not properly protected from external access attempts.
The operational impact of CVE-2008-5549 extends beyond simple information disclosure, as the ability to access configuration files can provide attackers with sufficient information to launch more sophisticated attacks against the affected system. The exposure of product configuration data can reveal internal system architecture details, authentication mechanisms, and potentially sensitive deployment information that could be used to plan further exploitation attempts. This vulnerability particularly affects organizations running Sun Java System Portal Server in production environments where the web console is accessible from external networks, as it provides a direct path for unauthorized access to critical system resources without requiring elevated privileges or complex attack chains.
Security professionals should note that this vulnerability aligns with CWE-284, which describes improper access control issues, and represents a classic example of insufficient authorization checking within web applications. The ATT&CK framework categorizes this as a privilege escalation technique where attackers can leverage initial access to gain deeper system knowledge and potentially move laterally within the network. Organizations should implement immediate mitigations including network segmentation to restrict access to the web console, disabling unnecessary web console functionality, and ensuring that the portal server components are not exposed to untrusted networks. Additionally, applying the vendor-provided security patches and updates is essential to address the root cause of the access control weakness that enables this vulnerability. The broader implications suggest that organizations should conduct comprehensive security assessments of their web application components to identify similar access control flaws that could provide attackers with unauthorized access to sensitive system resources.