CVE-2016-3435 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE
Unspecified vulnerability in the PeopleSoft Enterprise PeopleTools component in Oracle PeopleSoft Products 8.53, 8.54, and 8.55 allows remote attackers to affect availability via vectors related to PIA Core Technology.
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Analysis
by VulDB Data Team • 07/25/2022
The vulnerability identified as CVE-2016-3435 represents a significant security weakness within Oracle PeopleSoft Enterprise PeopleTools component affecting versions 8.53, 8.54, and 8.55. This issue falls under the broader category of availability impact vulnerabilities, specifically targeting the PeopleSoft Internet Architecture (PIA) Core Technology which serves as the foundation for web-based user interfaces in PeopleSoft applications. The unspecified nature of the vulnerability details suggests that the exact technical flaw remains classified or not fully disclosed in public documentation, though the impact on system availability indicates a critical weakness that could disrupt business operations.
The technical flaw manifests within the PIA Core Technology layer which handles web requests and user interactions for PeopleSoft applications. This core component is responsible for processing HTTP requests, managing session states, and facilitating communication between web clients and backend PeopleSoft services. When exploited by remote attackers, the vulnerability allows malicious actors to disrupt the availability of PeopleSoft applications, potentially causing denial of service conditions that could affect thousands of users across enterprise environments. The attack vector being related to PIA Core Technology indicates that the flaw likely exists in how the system handles incoming web requests or manages web application resources.
From an operational impact perspective, this vulnerability poses severe risks to enterprise business continuity and productivity. Organizations relying on PeopleSoft for critical business processes such as financial management, human resources, or supply chain operations could experience significant downtime when this vulnerability is exploited. The remote nature of the attack means that threat actors do not require physical access or local network presence to exploit the weakness, making it particularly dangerous for organizations with distributed user bases or those operating in cloud environments. The availability impact could result in lost productivity, revenue disruption, and potential compliance violations depending on the industry and regulatory requirements.
The vulnerability aligns with CWE-1004 which addresses security weaknesses in the design of systems that could lead to availability issues through improper handling of requests or resources. From an ATT&CK framework perspective, this vulnerability could be categorized under T1499.004 for network denial of service attacks and potentially T1566 for initial access through web application exploitation techniques. Organizations should implement immediate mitigations including applying Oracle's security patches, implementing network segmentation to limit access to PeopleSoft components, and monitoring for suspicious web traffic patterns that might indicate exploitation attempts. The lack of specific technical details in the CVE description emphasizes the importance of maintaining current security patches and conducting regular vulnerability assessments to identify potential weaknesses before they can be exploited by malicious actors.