CVE-2012-0091 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE
Unspecified vulnerability in the PeopleSoft Enterprise PeopleTools component in Oracle PeopleSoft Products 8.52.05 allows remote authenticated users to affect integrity and availability via unknown vectors related to Upgrade Change Assistance.
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Analysis
by VulDB Data Team • 04/29/2017
The vulnerability identified as CVE-2012-0091 resides within the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products version 8.52.05, representing a significant security weakness that affects organizations utilizing this enterprise resource planning platform. This unspecified vulnerability specifically manifests within the Upgrade Change Assistance functionality, which is a critical component responsible for managing and tracking system upgrades and modifications. The affected system operates under the assumption that only authenticated users can access certain functionalities, yet this vulnerability demonstrates that malicious actors with valid credentials can exploit the system to compromise both data integrity and system availability.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the Upgrade Change Assistance module. Attackers with authenticated access can leverage this weakness to manipulate upgrade processes, potentially introducing malicious changes that corrupt system data or disrupt normal operational procedures. The unspecified vectors suggest that the vulnerability may involve multiple attack paths including but not limited to parameter manipulation, session hijacking, or privilege escalation within the upgrade workflow. This weakness directly aligns with common software security flaws categorized under CWE-20, which addresses "Improper Input Validation" and CWE-264, which covers "Permissions, Privileges and Access Controls" within the Common Weakness Enumeration framework. The vulnerability's impact extends beyond simple data corruption as it can also affect system availability through denial of service conditions that may occur during upgrade processes.
From an operational standpoint, the implications of CVE-2012-0091 are particularly concerning for enterprise environments that rely heavily on PeopleSoft for mission-critical business processes. Organizations utilizing this platform may experience significant disruption when upgrade assistance functionality is compromised, leading to potential data integrity issues that could affect financial reporting, human resources management, or supply chain operations. The availability impact means that system administrators may find their upgrade processes interrupted or rendered ineffective, potentially causing extended downtime or requiring manual intervention to restore normal operations. This vulnerability also represents a potential stepping stone for more sophisticated attacks, as compromised upgrade processes could provide attackers with opportunities to escalate privileges or establish persistent access within the enterprise network. The attack surface is particularly broad given that upgrade assistance is a fundamental component used throughout the system lifecycle, making it a valuable target for threat actors seeking to maintain long-term access or cause maximum disruption.
Organizations should implement immediate mitigations including comprehensive access control reviews, enhanced monitoring of upgrade processes, and regular security assessments of PeopleSoft components. The vulnerability's classification under ATT&CK technique T1078, which covers "Valid Accounts," indicates that attackers may exploit legitimate user credentials to access restricted functionality, emphasizing the importance of robust identity management and privilege separation. Additionally, implementing network segmentation around PeopleSoft systems and deploying intrusion detection systems can help identify potential exploitation attempts. Oracle's official patch management procedures should be followed rigorously, as this vulnerability likely requires a specific security update to address the underlying flaw in the Upgrade Change Assistance module. The remediation process should include thorough testing of upgrade processes to ensure that the fix does not introduce regressions while maintaining the system's ability to properly track and manage upgrade changes. Regular security training for system administrators regarding the importance of monitoring upgrade activities and recognizing anomalous behavior can further reduce the risk of successful exploitation.