CVE-2003-0629 in Peopletools
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in PeopleSoft IScript environment for PeopleTools 8.43 and earlier allows remote attackers to insert arbitrary web script via a certain HTTP request to IScript.
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Analysis
by VulDB Data Team • 06/15/2018
The CVE-2003-0629 vulnerability represents a critical cross-site scripting flaw within the PeopleSoft IScript environment that affected PeopleTools versions 8.43 and earlier. This vulnerability resides in the web application layer of PeopleSoft's enterprise resource planning platform, specifically within the IScript component that facilitates dynamic script execution and web interface rendering. The flaw enables malicious actors to inject arbitrary web scripts into the application's response, creating a persistent security risk for organizations utilizing these older PeopleTools versions. The vulnerability manifests when the application fails to properly sanitize user input within HTTP requests directed to the IScript endpoint, allowing attackers to craft malicious payloads that execute in the context of authenticated users' browsers.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the IScript processing pipeline. When the PeopleSoft application receives an HTTP request containing user-supplied data through the IScript interface, the system does not adequately filter or escape special characters that could be interpreted as HTML or JavaScript code. This failure in data sanitization creates an exploitable condition where attackers can inject malicious scripts that execute within the victim's browser session. The vulnerability is classified as a classic reflected XSS attack vector, where the malicious payload is embedded in the HTTP request and immediately reflected back to the user without proper sanitization. The flaw operates at the application logic level, specifically within the user input handling routines that process IScript parameters and generate dynamic web content.
The operational impact of CVE-2003-0629 extends beyond simple script injection, creating substantial risk for enterprise environments that rely on PeopleSoft for critical business operations. Successful exploitation could enable attackers to steal session cookies, perform unauthorized transactions, modify data, or redirect users to malicious websites. The vulnerability particularly threatens organizations with high-value PeopleSoft implementations where users maintain elevated privileges, as attackers could potentially escalate their access to administrative functions. The attack surface includes any user interaction with the IScript component, making it particularly dangerous in environments where multiple users access the system regularly. Organizations implementing PeopleSoft solutions in mission-critical applications face significant risk of data compromise, system integrity violations, and potential regulatory compliance violations due to the persistent nature of this vulnerability.
Organizations should implement immediate mitigations including thorough input validation and output encoding mechanisms to prevent XSS exploitation. The recommended approach involves deploying proper HTML escaping and sanitization routines that filter special characters from user inputs before processing them within the IScript environment. Security patches and updates to PeopleTools 8.44 and later versions should be prioritized to address the root cause of the vulnerability. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not replace proper application-level fixes. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and maps to ATT&CK technique T1059.007 for script injection attacks. Organizations should also conduct comprehensive security assessments of their PeopleSoft environments to identify similar vulnerabilities and establish robust input validation policies throughout their web application frameworks to prevent future exploitation attempts.