CVE-2003-0841 in PeopleSoft
Summary
by MITRE
The grid option in PeopleSoft 8.42 stores temporary .xls files in guessable directories under the web document root, which allows remote attackers to steal search results by directly accessing the files via a URL request.
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Analysis
by VulDB Data Team • 05/04/2019
The vulnerability described in CVE-2003-0841 represents a critical information disclosure flaw within PeopleSoft 8.42's grid functionality. This issue stems from the application's improper handling of temporary file storage, specifically when generating and serving Excel (.xls) formatted search results. The root cause lies in the application's tendency to store these temporary files in directories that can be easily predicted or guessed, typically located within the web document root structure. This design flaw creates an exploitable pathway where remote attackers can directly access sensitive data that should remain confidential within the application's internal processing environment.
The technical implementation of this vulnerability involves the grid component's temporary file management system which generates .xls files containing search results for user consumption. These files are stored in predictable directory paths that follow common naming conventions or directory structures within the web server's document root. Attackers can exploit this guessability by constructing specific URL requests that directly access these temporary files without proper authentication or authorization checks. The vulnerability operates at the application layer and specifically targets the web server's file system access controls, bypassing normal application security mechanisms that should prevent unauthorized access to internal processing data.
From an operational impact perspective, this vulnerability enables remote attackers to gain unauthorized access to sensitive search results and potentially confidential business data that users would normally only access through proper application interfaces. The exposure extends beyond simple data theft to include potential business intelligence gathering, competitive disadvantage, and compliance violations depending on the nature of the information contained within the search results. The vulnerability affects the confidentiality aspect of the CIA triad, as it allows unauthorized disclosure of information that should remain protected within the application's secure processing environment. This issue particularly impacts organizations using PeopleSoft for enterprise resource planning or business applications where search functionality often returns sensitive operational data.
The vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, and CWE-200, which covers exposure of sensitive information. From an attacker's perspective, this vulnerability maps to ATT&CK technique T1005, which involves data from local system repositories, and T1074, which covers data staging through temporary files. Organizations should implement immediate mitigations including restricting access to temporary directories, implementing proper file naming conventions that are not guessable, and ensuring that temporary files are stored outside the web document root. Additional security measures should include implementing proper access controls, monitoring for unauthorized file access attempts, and ensuring that temporary files are automatically deleted after use. The vulnerability demonstrates the critical importance of secure temporary file handling practices and proper application sandboxing to prevent information disclosure through predictable file system access patterns.