CVE-2003-0626 in PeopleTools
Summary
by MITRE
psdoccgi.exe in PeopleSoft PeopleTools 8.4 through 8.43 allows remote attackers to read arbitrary files via the (1) headername or (2) footername arguments.
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Analysis
by VulDB Data Team • 06/23/2018
The vulnerability identified as CVE-2003-0626 affects PeopleSoft PeopleTools versions 8.4 through 8.43, specifically targeting the psdoccgi.exe component. This represents a classic path traversal or directory traversal vulnerability that enables remote attackers to access arbitrary files on the underlying system. The flaw manifests through two primary attack vectors involving the headername and footername arguments, which are processed without proper input validation or sanitization. The vulnerability falls under the CWE-22 category for Improper Limitation of a Pathname to a Restricted Directory, commonly known as path traversal or directory traversal attacks. These attacks exploit insufficient validation of user-supplied input to access files outside the intended directory structure, potentially leading to unauthorized data access or system compromise.
The technical implementation of this vulnerability occurs when the psdoccgi.exe application processes user-provided headername and footername parameters. These parameters are typically used to specify document header and footer files for report generation within the PeopleSoft environment. However, the application fails to properly validate or sanitize these inputs, allowing attackers to manipulate the file paths through directory traversal sequences such as ../ or ..\ constructs. When an attacker submits malicious input containing these sequences, the application resolves the paths incorrectly, potentially allowing access to system files, configuration files, or sensitive data stored outside the intended document directories. This vulnerability directly impacts the principle of least privilege and can be categorized under the ATT&CK technique T1083 for File and Directory Discovery, where adversaries explore system resources to identify valuable targets.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can potentially lead to complete system compromise. Attackers exploiting this vulnerability could access sensitive configuration files containing database credentials, application settings, or other confidential information. The vulnerability also poses risks to the integrity of the PeopleSoft environment, as attackers might gain access to administrative files or potentially execute malicious code through the exploitation of other related vulnerabilities. Organizations using PeopleSoft PeopleTools in this vulnerable state face significant risks including data breaches, unauthorized access to financial or personal information, and potential regulatory compliance violations. The attack surface is particularly concerning given that PeopleSoft is widely used in enterprise environments for critical business applications, making successful exploitation potentially devastating for affected organizations. This vulnerability demonstrates the critical importance of input validation and proper access controls in web applications, particularly those handling sensitive business data.
Mitigation strategies for this vulnerability include immediate patching of the affected PeopleSoft PeopleTools versions to the latest available security updates from Oracle. Organizations should also implement network segmentation to limit access to the affected systems and apply proper input validation at all levels of the application stack. Web application firewalls and intrusion prevention systems can help detect and block malicious requests attempting to exploit this vulnerability. Additionally, organizations should conduct comprehensive security assessments to identify any other potential path traversal vulnerabilities within their PeopleSoft environments or related applications. Regular security monitoring and log analysis should be implemented to detect suspicious file access patterns that may indicate exploitation attempts. The remediation process should also include reviewing and updating access controls to ensure that only authorized users can access the affected components, while maintaining proper audit trails for all file access operations. Organizations should also consider implementing principle of least privilege configurations for the affected applications to minimize potential damage from successful exploitation attempts.