CVE-2018-3261 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: Integration Broker). Supported versions that are affected are 8.55, 8.56 and 8.57. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 05/29/2023
The CVE-2018-3261 vulnerability represents a critical security flaw within Oracle PeopleSoft Enterprise PeopleTools, specifically affecting the Integration Broker subcomponent. This vulnerability exists in versions 8.55, 8.56, and 8.57 of the PeopleSoft platform, making it particularly concerning given the widespread adoption of these versions across enterprise environments. The vulnerability falls under CWE-284, which addresses improper access control issues, and aligns with ATT&CK technique T1213.002 for Data from Information Repositories, highlighting the potential for unauthorized data access. The flaw manifests as an insufficient access control mechanism that permits unauthenticated network-based attacks, creating a significant exposure for organizations relying on PeopleSoft for their business operations.
The technical nature of this vulnerability stems from inadequate authentication checks within the Integration Broker component, which serves as the messaging and integration layer for PeopleSoft applications. Attackers can exploit this weakness by sending specially crafted HTTP requests to the affected PeopleSoft servers without requiring any valid credentials or authentication tokens. This unauthenticated access capability represents a fundamental breakdown in the security architecture, as the system fails to properly validate incoming requests before processing them. The vulnerability's CVSS score of 5.3 reflects the moderate severity of confidentiality impact, though the lack of integrity or availability implications does not diminish its operational risk. The attack vector requires only network access, making it particularly dangerous as it can be exploited from external networks without the need for insider knowledge or privileged access.
The operational impact of CVE-2018-3261 extends beyond simple data exposure, as it enables attackers to access a subset of PeopleSoft Enterprise PeopleTools accessible data, potentially including sensitive business information, employee records, financial data, or proprietary business processes. Organizations utilizing PeopleSoft for mission-critical applications face significant risk of data leakage and potential competitive disadvantage if this vulnerability remains unaddressed. The vulnerability's exploitation can lead to information disclosure that may violate regulatory compliance requirements such as GDPR, HIPAA, or SOX, depending on the nature of the data involved. Furthermore, the compromised data access can serve as a foundation for more sophisticated attacks, including lateral movement within the network infrastructure or credential theft that could escalate the breach beyond the initial compromised system.
Organizations should implement immediate mitigations including applying the relevant Oracle critical patch updates that address this vulnerability, configuring network firewalls to restrict access to PeopleSoft servers, and implementing additional authentication layers for the Integration Broker component. The principle of least privilege should be enforced by limiting access to PeopleSoft services to only authorized network segments and users. Security monitoring should be enhanced to detect unusual HTTP traffic patterns targeting PeopleSoft servers, and regular vulnerability assessments should be conducted to identify similar access control weaknesses. This vulnerability demonstrates the importance of maintaining up-to-date security patches and the potential consequences of insufficient access controls in enterprise application environments, particularly those handling sensitive business data. The remediation process should also include comprehensive testing to ensure that security updates do not introduce compatibility issues with existing PeopleSoft integrations and business processes.