CVE-2011-0826 in PeopleSoft Enterprise
Summary
by MITRE
Unspecified vulnerability in Oracle PeopleSoft Enterprise 8.8 Bundle #13, 8.9 Bundle #7, 9.0 Bundle #7, and 9.1 Bundle #4 allows remote authenticated users to affect integrity via unknown vectors related to Application Portal.
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Analysis
by VulDB Data Team • 11/03/2021
The vulnerability identified as CVE-2011-0826 affects Oracle PeopleSoft Enterprise versions 8.8 Bundle #13, 8.9 Bundle #7, 9.0 Bundle #7, and 9.1 Bundle #4, specifically within the Application Portal component. This unspecified weakness represents a significant security concern for organizations utilizing these enterprise resource planning platforms, as it permits remote authenticated attackers to compromise data integrity. The vulnerability exists within the PeopleSoft Application Portal framework, which serves as a centralized interface for accessing various enterprise applications and services. The affected versions indicate this flaw was present across multiple major releases and their corresponding service packs, suggesting a widespread impact that would affect numerous enterprise deployments. The authentication requirement means that attackers must first establish valid credentials before exploiting this vulnerability, but the remote nature of the attack implies that the compromised system could be accessed from external networks without requiring physical proximity.
The technical nature of this vulnerability falls under the category of data integrity compromise, where authenticated users can manipulate or corrupt application data through unspecified vectors within the Application Portal module. This type of vulnerability typically stems from insufficient input validation, improper access controls, or flawed data handling mechanisms within the portal framework. The unspecified nature of the attack vectors suggests that the vulnerability could manifest through multiple pathways including but not limited to parameter manipulation, session tampering, or injection attacks targeting the portal's data processing functions. The Application Portal component likely handles user requests, processes business logic, and manages data flows between various PeopleSoft modules, making it a prime target for integrity-focused attacks. This vulnerability aligns with CWE-284 (Improper Access Control) and potentially CWE-79 (Cross-Site Scripting) or CWE-89 (SQL Injection) depending on the specific attack vector utilized by threat actors.
The operational impact of CVE-2011-0826 extends beyond simple data corruption, as it can potentially lead to unauthorized data modification, business process disruption, and compromise of sensitive enterprise information. Organizations relying on PeopleSoft for mission-critical operations may face significant financial and reputational damage if this vulnerability is exploited, particularly in industries handling regulated data or financial transactions. The remote attack capability means that threat actors can exploit this weakness from anywhere on the internet, potentially targeting multiple organizations simultaneously if they maintain valid credentials through compromised accounts or insider threats. The integrity compromise could result in altered financial records, manipulated employee data, corrupted business processes, or falsified reports that could affect decision-making at executive levels. This vulnerability also represents a potential stepping stone for further attacks, as compromised data integrity could enable attackers to gain deeper access to other systems within the enterprise network. The attack surface is particularly concerning given that PeopleSoft Application Portals typically serve as central access points for numerous enterprise applications, potentially allowing attackers to leverage this vulnerability to affect multiple downstream systems.
Organizations should immediately implement comprehensive mitigation strategies including applying available patches from Oracle, which would address the root cause of this vulnerability in the Application Portal component. Network segmentation and monitoring should be enhanced to detect unusual authentication patterns or data modification activities that could indicate exploitation attempts. Access controls should be reviewed and strengthened to ensure least privilege principles are enforced, particularly for accounts with access to the Application Portal. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other PeopleSoft components or related systems. The remediation process should include thorough testing of patches in development environments before deployment to production systems to prevent service disruptions. Additionally, organizations should consider implementing intrusion detection systems specifically configured to monitor for Application Portal-related anomalies and establish incident response procedures that address integrity compromise scenarios. The vulnerability highlights the importance of maintaining up-to-date security patches and demonstrates the critical need for continuous monitoring of enterprise applications, particularly those handling sensitive business data. This vulnerability also underscores the necessity of following ATT&CK framework principles for identifying and mitigating application-level threats, particularly those targeting portal interfaces and data integrity mechanisms. Organizations should also consider implementing data loss prevention solutions that monitor for unauthorized data modifications within PeopleSoft environments.