CVE-2020-14802 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE • 10/21/2020
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: PIA Core Technology). Supported versions that are affected are 8.56, 8.57 and 8.58. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 11/24/2020
The vulnerability identified as CVE-2020-14802 represents a significant security weakness within Oracle PeopleSoft Enterprise PeopleTools, specifically affecting the PIA Core Technology component. This flaw exists in versions 8.56, 8.57, and 8.58, making it a widespread concern for organizations utilizing these PeopleSoft releases. The vulnerability operates through the PeopleSoft Internet Architecture (PIA) framework, which serves as the foundation for web-based user interfaces in PeopleSoft applications. The attack surface is particularly concerning as it allows unauthenticated network-based exploitation via HTTP protocols, eliminating the need for prior authentication credentials. This characteristic places the vulnerability in the category of easily exploitable flaws that can be leveraged by attackers without requiring privileged access or specialized tools beyond basic network connectivity.
The technical implementation of this vulnerability stems from insufficient input validation and access control mechanisms within the PIA Core Technology layer. Attackers can exploit this weakness by crafting malicious HTTP requests that bypass normal authentication and authorization checks. The vulnerability's design allows for unauthorized modification of data through update, insert, and delete operations against specific data sets within the PeopleSoft environment. Additionally, the flaw enables unauthorized read access to sensitive data subsets, potentially exposing confidential business information, employee records, financial data, or proprietary business processes. The CVSS 3.1 scoring of 6.1 reflects the moderate severity of the impact, with confidentiality and integrity being the primary affected security properties. The vector notation AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N indicates that the attack requires network access with low complexity, no privilege requirements, but necessitates user interaction and can cause cascading effects across multiple systems.
The operational impact of this vulnerability extends beyond the immediate PeopleSoft environment, potentially affecting interconnected systems and applications that rely on PeopleSoft data integrity. Organizations utilizing affected versions face risks of data corruption, unauthorized modifications to critical business processes, and potential exposure of sensitive information that could lead to financial losses, regulatory violations, or reputational damage. The requirement for human interaction suggests that social engineering or targeted phishing campaigns might be employed to facilitate exploitation, making the vulnerability particularly dangerous in environments where users frequently interact with web-based applications. This characteristic aligns with ATT&CK framework concepts related to initial access through web application attacks and privilege escalation via application vulnerabilities. The vulnerability's potential to impact additional products stems from the interconnected nature of PeopleSoft environments where data flows between multiple integrated systems, creating a ripple effect that could compromise entire enterprise ecosystems.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates, implementing network segmentation to limit access to PeopleSoft applications, and configuring web application firewalls to monitor and filter suspicious HTTP requests. The vulnerability's classification under CWE-284 (Improper Access Control) indicates that the root cause involves inadequate authorization mechanisms that should be addressed through proper input validation and access control implementation. Security monitoring should focus on detecting unusual HTTP traffic patterns, unauthorized data access attempts, and modifications to PeopleSoft application configurations. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the broader PeopleSoft ecosystem. Organizations should also consider implementing additional layers of authentication, such as multi-factor authentication for administrative functions, and establishing strict access controls for PeopleSoft application interfaces. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and implementing comprehensive security monitoring strategies to protect enterprise applications from evolving threat landscapes.