CVE-2003-0104 in PeopleTools
Summary
by MITRE
Directory traversal vulnerability in PeopleTools 8.10 through 8.18, 8.40, and 8.41 allows remote attackers to overwrite arbitrary files via the SchedulerTransfer servlet.
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Analysis
by VulDB Data Team • 06/25/2019
The vulnerability identified as CVE-2003-0104 represents a critical directory traversal flaw affecting PeopleTools versions 8.10 through 8.18 and versions 8.40 and 8.41. This security weakness resides within the SchedulerTransfer servlet component of the PeopleSoft application suite, which is widely deployed across enterprise environments for business process automation and human resources management. The vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data before processing file operations. Attackers can exploit this flaw by crafting malicious requests that manipulate file path references, enabling them to traverse directory structures beyond intended boundaries and access or modify files that should remain protected. The affected system components operate with elevated privileges, making this vulnerability particularly dangerous as it can potentially allow attackers to overwrite critical system files, configuration data, or sensitive business information stored within the application environment.
The technical implementation of this directory traversal vulnerability occurs when the SchedulerTransfer servlet processes incoming requests without sufficient validation of file path parameters. The flaw manifests when user input containing directory traversal sequences such as ../ or ..\ is accepted and processed directly without proper sanitization or normalization. This allows malicious actors to construct file paths that reference locations outside the intended application directories, potentially enabling them to overwrite files in system directories or access restricted resources. The vulnerability specifically affects the file transfer functionality within PeopleTools, where the servlet handles requests for scheduling and transferring files between different system components. When the application processes these requests, it fails to properly validate the integrity of file paths, creating an opportunity for attackers to manipulate the target file locations through crafted HTTP requests. The vulnerability is classified under CWE-22 as "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: PowerShell" when attackers leverage the compromised system to execute malicious commands.
The operational impact of CVE-2003-0104 extends beyond simple file access violations, potentially enabling complete system compromise and data destruction. Remote attackers can leverage this vulnerability to overwrite critical application files, system executables, or configuration databases that control business processes within PeopleSoft environments. This capability allows for persistent access to the system, enabling attackers to establish backdoors, modify user permissions, or corrupt essential business data that could disrupt operations for extended periods. The vulnerability affects organizations using PeopleSoft ERP systems, which are commonly found in financial services, healthcare, government, and manufacturing sectors where business continuity and data integrity are paramount. Organizations with multiple PeopleTools installations across their enterprise infrastructure face significant risk as a successful exploitation can potentially compromise entire business process automation environments. The impact is particularly severe given that PeopleTools applications typically run with elevated privileges and may contain sensitive financial, personnel, or operational data that could be targeted for theft or modification.
Mitigation strategies for CVE-2003-0104 require immediate implementation of multiple defensive measures to protect affected PeopleTools installations. Organizations should implement input validation and sanitization mechanisms that properly filter or reject directory traversal sequences in all user-supplied data paths. The most effective immediate solution involves applying the vendor-provided security patches and updates that address the specific directory traversal flaw in the SchedulerTransfer servlet. Network segmentation and access controls should be implemented to limit exposure of the vulnerable servlet to untrusted networks, while firewall rules can be configured to restrict access to the specific endpoint. Additional protective measures include implementing application-level monitoring to detect unusual file access patterns and configuring audit trails that track file operations performed by the SchedulerTransfer servlet. Security teams should also consider implementing web application firewalls that can detect and block malicious directory traversal attempts. Organizations should conduct comprehensive vulnerability assessments to identify all instances of affected PeopleTools versions and establish incident response procedures for potential exploitation attempts. Regular security awareness training for system administrators and developers can help prevent configuration errors that might inadvertently expose vulnerable components to external threats, while maintaining up-to-date security documentation that includes proper input validation procedures and secure coding practices to prevent similar vulnerabilities in future development cycles.