CVE-2008-0904 in Plumtree Collaboration
Summary
by MITRE
Unspecified vulnerability in the download servlet in BEA Plumtree Collaboration 4.1 through SP2 and AquaLogic Interaction 4.2 through MP1 allows remote attackers to read arbitrary files via a crafted URL.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/11/2017
The vulnerability identified as CVE-2008-0904 represents a critical information disclosure flaw within the download servlet component of BEA Plumtree Collaboration software versions 4.1 through SP2 and AquaLogic Interaction 4.2 through MP1. This vulnerability stems from inadequate input validation and improper access control mechanisms within the servlet implementation, creating an exploitable condition that enables remote attackers to bypass normal file access restrictions. The flaw specifically manifests in the download servlet's handling of user-supplied URL parameters, where insufficient sanitization allows malicious actors to construct crafted requests that traverse the file system and retrieve unauthorized files from the server.
The technical exploitation of this vulnerability leverages a classic path traversal attack vector, where attackers manipulate URL parameters to navigate beyond the intended file access boundaries. The vulnerability falls under CWE-22 - Improper Limiting of a Pathname to a Restricted Directory, which is a well-documented weakness in web application security. Attackers can construct malicious URLs that include directory traversal sequences such as "../" or similar constructs to access files outside the intended download directory. This allows unauthorized access to sensitive system files, configuration data, application source code, and potentially database files that should remain protected from remote access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to critical system components that could facilitate further exploitation. Remote attackers could potentially access administrative configuration files, database connection strings, application credentials, and other sensitive data that would enable them to escalate privileges or conduct more sophisticated attacks. The vulnerability affects organizations using legacy BEA software platforms, which may have been deployed in enterprise environments where access to such information could compromise entire corporate infrastructures. According to ATT&CK framework, this vulnerability maps to T1213 - Data from Information Repositories, where adversaries attempt to access stored data, and T1566 - Phishing, as attackers might use the retrieved information to craft more targeted social engineering campaigns.
Mitigation strategies for this vulnerability require immediate implementation of input validation controls and access restriction measures within the affected software. Organizations should apply the vendor-provided security patches and updates that address the path traversal flaw in the download servlet. Network-level protections such as web application firewalls can provide additional defense-in-depth by filtering suspicious URL patterns and detecting malformed requests. The implementation of proper access controls and file system permissions should restrict the download servlet's ability to access sensitive directories. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in legacy applications. System administrators should also implement monitoring and logging mechanisms to detect anomalous file access patterns that could indicate exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date security practices and the risks associated with running unsupported legacy software versions that may contain unpatched security flaws.