CVE-2017-3521 in PeopleSoft Enterprise SCM Purchasing
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise SCM Purchasing component of Oracle PeopleSoft Products (subcomponent: Supplier Registration). The supported version that is affected is 9.2. Easily "exploitable" vulnerability allows high privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise SCM Purchasing. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all PeopleSoft Enterprise SCM Purchasing accessible data as well as unauthorized access to critical data or complete access to all PeopleSoft Enterprise SCM Purchasing accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The CVE-2017-3521 vulnerability resides within Oracle PeopleSoft Enterprise SCM Purchasing component, specifically in the Supplier Registration subcomponent at version 9.2. This represents a significant security weakness that demonstrates the critical importance of proper input validation and access control mechanisms in enterprise applications. The vulnerability affects organizations using PeopleSoft products for supply chain management and procurement processes, where the supplier registration functionality serves as a gateway for vendor onboarding and data entry operations. The flaw manifests as a deserialization vulnerability that allows malicious actors to manipulate application behavior through crafted HTTP requests, potentially compromising the entire procurement ecosystem.
The technical exploitation of this vulnerability requires an attacker with high privileges and network access via HTTP protocol to successfully compromise the system. This attack vector aligns with CWE-502, which categorizes deserialization of untrusted data as a critical weakness that can lead to remote code execution and arbitrary code manipulation. The vulnerability's CVSS 3.0 score of 6.5 indicates a moderate to high severity threat level, with both confidentiality and integrity impacts rated as high. The attack requires low complexity to exploit, meaning that skilled attackers can leverage this weakness with minimal technical barriers, while the attacker must already possess elevated privileges within the network environment, suggesting a need for additional network security controls.
The operational impact of this vulnerability extends far beyond simple data corruption or unauthorized access. Successful exploitation can result in unauthorized creation, deletion, or modification of critical procurement data, potentially disrupting supply chain operations and compromising sensitive vendor information. Organizations may face significant financial losses due to fraudulent supplier registrations, data manipulation, or unauthorized procurement activities. The vulnerability's potential to grant complete access to all PeopleSoft Enterprise SCM Purchasing accessible data represents a severe risk to business continuity and regulatory compliance, particularly in industries governed by strict procurement and financial auditing requirements. The impact on data integrity could lead to incorrect procurement decisions, supplier fraud, and compromised financial reporting processes.
Organizations should implement multiple layers of defense to mitigate this vulnerability effectively. Network segmentation and access controls should be strengthened to limit access to PeopleSoft applications, while proper input validation and output encoding should be enforced to prevent malicious data deserialization. The implementation of web application firewalls and intrusion detection systems can provide additional monitoring capabilities for suspicious HTTP traffic patterns. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in related components and ensure that proper patch management processes are in place. Compliance with industry standards such as NIST SP 800-53 and ISO 27001 should be maintained to establish robust security controls around procurement data handling and access management. The vulnerability serves as a reminder of the critical need for secure coding practices and regular vulnerability assessments in enterprise applications, particularly those handling sensitive business-critical data.