CVE-2016-0591 in PeopleSoft
Summary
by MITRE
Unspecified vulnerability in the PeopleSoft Enterprise SCM Purchasing component in Oracle PeopleSoft Products 9.1 and 9.2 allows remote authenticated users to affect confidentiality and integrity via unknown vectors related to Supplier Change.
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Analysis
by VulDB Data Team • 07/05/2022
The vulnerability identified as CVE-2016-0591 resides within the PeopleSoft Enterprise SCM Purchasing component of Oracle PeopleSoft products, specifically affecting versions 9.1 and 9.2. This weakness represents a critical security flaw that enables remote authenticated attackers to compromise both confidentiality and integrity of the affected systems. The vulnerability manifests through unspecified vectors that are directly related to Supplier Change functionality within the purchasing module, indicating a significant gap in the access control and data validation mechanisms of the PeopleSoft platform.
The technical nature of this vulnerability stems from inadequate input validation and insufficient access controls within the Supplier Change process, which allows authenticated users to manipulate purchasing data in ways that were not intended by the application design. This flaw operates at the application layer and leverages the existing authentication mechanisms to escalate privileges or modify sensitive purchasing information without proper authorization. The unspecified vectors suggest that the vulnerability may involve multiple attack paths or could be a broader class of issues affecting data integrity and confidentiality within the supplier management workflows. The attack requires only authentication, making it particularly dangerous as it can be exploited by insiders or compromised accounts with legitimate access rights.
The operational impact of CVE-2016-0591 extends beyond simple data corruption or unauthorized access, as it fundamentally undermines the trustworthiness of purchasing data and can lead to significant financial losses, supply chain disruptions, and compliance violations. Organizations using PeopleSoft SCM Purchasing may experience unauthorized changes to supplier information, pricing data, purchase orders, or contract terms, which could result in fraudulent transactions or procurement failures. The vulnerability's ability to affect both confidentiality and integrity means that attackers can not only read sensitive purchasing information but also modify it, potentially leading to supply chain attacks or financial fraud. This dual impact on data protection and data integrity makes the vulnerability particularly dangerous in enterprise environments where procurement data is critical for business operations and regulatory compliance.
Mitigation strategies for CVE-2016-0591 should focus on immediate patch management and access control enhancements. Organizations must apply the relevant Oracle security patches and updates as soon as they become available to address the underlying vulnerability. Additionally, implementing robust monitoring and logging mechanisms around Supplier Change activities can help detect unauthorized modifications to purchasing data. Network segmentation and principle of least privilege access controls should be enforced to limit the scope of potential exploitation. Security teams should also conduct thorough access reviews and implement additional validation checks for supplier data modifications. The vulnerability aligns with CWE-284 (Improper Access Control) and may relate to ATT&CK techniques involving privilege escalation and data manipulation. Organizations should consider implementing database activity monitoring and audit trails specifically for procurement data changes to maintain visibility into supplier-related modifications and ensure compliance with industry standards such as SOC 2 and ISO 27001 requirements for data integrity and access control.