CVE-2003-0628 in Peopletools
Summary
by MITRE
PeopleSoft Gateway Administration servlet (gateway.administration) in PeopleTools 8.43 and earlier allows remote attackers to obtain the full pathnames for server-side include (SSI) files via an HTTP request with an invalid value.
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Analysis
by VulDB Data Team • 06/15/2018
The vulnerability identified as CVE-2003-0628 affects PeopleSoft Gateway Administration servlet within PeopleTools version 8.43 and earlier, representing a significant information disclosure weakness that can be exploited by remote attackers. This flaw manifests when the gateway.administration servlet processes HTTP requests containing invalid values, causing the system to reveal complete server-side include file pathnames in its response. The issue stems from inadequate input validation and error handling within the servlet's processing logic, which fails to sanitize or properly manage malformed requests that would typically be rejected or handled gracefully.
The technical implementation of this vulnerability involves the servlet's response to malformed HTTP requests where it does not properly validate the input parameters before processing them. When an attacker submits an HTTP request with an invalid value to the gateway.administration endpoint, the servlet's error handling mechanism inadvertently exposes sensitive path information through its response. This occurs because the system's error reporting mechanism is configured to provide detailed diagnostic information including file paths, which should normally be restricted to administrative users or system logs rather than being exposed to external entities. The vulnerability aligns with CWE-200, which specifically addresses information exposure through error messages, and represents a classic example of how improper error handling can lead to information disclosure attacks.
The operational impact of this vulnerability extends beyond simple path disclosure, as it provides attackers with detailed knowledge of the server's file structure and potentially sensitive directory layouts. This information can be leveraged by threat actors to plan more sophisticated attacks, including directory traversal attempts, file inclusion exploits, or further reconnaissance activities. The exposure of full pathnames creates opportunities for attackers to understand the underlying system architecture and potentially identify other vulnerabilities within the application stack. From an ATT&CK framework perspective, this vulnerability maps to techniques involving reconnaissance and information gathering, specifically T1083 (File and Directory Discovery) and T1592 (Gather Victim Host Information), as it provides attackers with critical system information that can be used for privilege escalation or lateral movement within the network.
Mitigation strategies for CVE-2003-0628 should focus on implementing proper input validation and error handling within the affected servlet. Organizations should ensure that all HTTP requests are properly validated before processing, with invalid inputs being rejected rather than processed with error messages that reveal system information. The servlet configuration should be updated to disable verbose error reporting in production environments and implement generic error messages that do not expose internal system paths. Additionally, system administrators should consider implementing web application firewalls or intrusion prevention systems that can detect and block suspicious HTTP request patterns targeting the affected servlet. The most effective long-term solution involves upgrading to PeopleTools versions that have addressed this vulnerability through proper error handling mechanisms and input sanitization. Security configurations should also include logging and monitoring of unusual HTTP request patterns that might indicate exploitation attempts, while ensuring that sensitive path information is never exposed through application responses to prevent similar vulnerabilities from being exploited in the future.