CVE-2005-2378 in Reports
Summary
by MITRE
Directory traversal vulnerability in Oracle Reports allows remote attackers to read arbitrary files via an absolute or relative path to the (1) CUSTOMIZE or (2) desformat parameters to rwservlet. NOTE: vector 2 is probably the same as CVE-2006-0289, and fixed in Jan 2006 CPU.
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Analysis
by VulDB Data Team • 07/15/2019
The vulnerability described in CVE-2005-2378 represents a critical directory traversal flaw within Oracle Reports component that exposes organizations to remote file access attacks. This security weakness exists within the rwservlet service which processes requests for Oracle Reports functionality, specifically affecting two parameter handling mechanisms: CUSTOMIZE and desformat. The vulnerability allows malicious actors to exploit improperly validated file paths, enabling them to access sensitive system files that should remain restricted to authorized users only. Such directory traversal attacks exploit the fundamental principle of inadequate input validation where user-supplied data is directly used to construct file system paths without proper sanitization or authorization checks.
The technical implementation of this vulnerability stems from Oracle Reports' failure to properly validate or sanitize user input when processing the CUSTOMIZE and desformat parameters within the rwservlet component. When these parameters contain absolute or relative paths, the system does not adequately verify whether the requested file access falls within the intended boundaries of the application's file system permissions. This allows attackers to manipulate the path resolution mechanism by including directory traversal sequences such as ../ or ../../ to navigate beyond the intended file access scope. The vulnerability specifically targets the rwservlet service which serves as the gateway for report generation and customization requests, making it a prime target for exploitation since it typically runs with elevated privileges and has access to sensitive system resources. According to industry standards, this flaw maps to CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') which is classified as a common weakness in software security design patterns.
The operational impact of CVE-2005-2378 extends far beyond simple information disclosure, as it can lead to complete system compromise when combined with other attack vectors. Remote attackers can leverage this vulnerability to access critical system files including configuration files, database connection strings, application code, and potentially even operating system level files that contain sensitive credentials or system information. The exposure of such data can facilitate further attacks including privilege escalation, lateral movement within the network, and complete system takeover. Organizations running vulnerable Oracle Reports installations face significant risk of data breaches, regulatory compliance violations, and operational disruption since the vulnerability can be exploited from any network location without requiring authentication. The fact that vector two is likely identical to CVE-2006-0289 indicates this was a persistent flaw in Oracle's reporting services that required multiple security patches to address properly. This vulnerability demonstrates the importance of proper input validation and privilege separation in enterprise software components, as the rwservlet service should never allow arbitrary file system access regardless of user input.
Mitigation strategies for CVE-2005-2378 should focus on immediate patching and architectural improvements to prevent similar vulnerabilities from occurring in the future. Organizations must apply the January 2006 CPU (Critical Patch Update) that specifically addresses this vulnerability, along with implementing network segmentation to limit access to the rwservlet service to only trusted networks and users. Additional protective measures include implementing proper input validation at the application level, restricting file system permissions for the Oracle Reports service, and deploying web application firewalls that can detect and block directory traversal attempts. The solution should also include regular security audits of Oracle installations to identify and remediate similar path traversal vulnerabilities in other components. According to ATT&CK framework, this vulnerability maps to T1083 - File and Directory Discovery and T1566 - Phishing, as attackers can use the information discovered through directory traversal to craft more sophisticated attacks. Organizations should also consider implementing principle of least privilege for Oracle services, ensuring that the rwservlet component operates with minimal required permissions and cannot access sensitive system resources beyond what is necessary for report generation functionality. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect enterprise applications from exploitation.