CVE-2018-2400 in SAP Business Process Automation
Summary
by MITRE
Under certain conditions SAP Business Process Automation (BPA) By Redwood, 9.00, 9.10, allows an attacker to access information which would otherwise be restricted.
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Analysis
by VulDB Data Team • 01/13/2020
SAP Business Process Automation BPA 9.00 and 9.10 contains a critical information disclosure vulnerability that enables unauthorized access to restricted data under specific conditions. This vulnerability affects the authentication and authorization mechanisms within the BPA platform, potentially allowing attackers to bypass normal access controls and retrieve sensitive business process information that should be protected. The flaw exists in the way the system handles user permissions and data access validation, creating a pathway for privilege escalation and unauthorized data exposure.
The technical implementation of this vulnerability stems from inadequate input validation and insufficient access control checks within the BPA application framework. Attackers can exploit this weakness by crafting specific requests that manipulate the authorization flow, potentially gaining access to process definitions, workflow data, and business intelligence that should only be available to authorized personnel. The vulnerability is particularly concerning as it operates at the application level, where traditional network-based security controls may not detect the unauthorized access attempts. This issue falls under CWE-284 which specifically addresses improper access control vulnerabilities, and aligns with ATT&CK technique T1078 which covers valid accounts and legitimate credentials for unauthorized access.
The operational impact of this vulnerability extends beyond simple data exposure, as it can lead to comprehensive business process compromise and potential regulatory violations. Organizations utilizing SAP BPA may experience unauthorized access to critical business workflows, process automation scripts, and sensitive operational data that could be exploited for competitive advantage or malicious purposes. The vulnerability affects the integrity and confidentiality of the business process automation environment, potentially disrupting business operations and exposing the organization to legal and financial consequences. Attackers could leverage this weakness to understand organizational process flows, identify business dependencies, and potentially manipulate automated workflows for further exploitation.
Mitigation strategies for this vulnerability should focus on immediate patch deployment from SAP, as well as implementing additional security controls to limit the impact of potential exploitation. Organizations should conduct thorough access control reviews and implement network segmentation to restrict access to BPA systems. Security monitoring should be enhanced to detect anomalous access patterns and unauthorized data retrieval attempts. The implementation of principle of least privilege should be enforced, ensuring users only have access to the specific business processes and data required for their roles. Regular security assessments and penetration testing should be performed to identify additional vulnerabilities in the BPA environment. Additionally, organizations should consider implementing data loss prevention controls and enhanced logging mechanisms to detect and respond to potential exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date security patches and conducting regular vulnerability assessments to protect critical business automation systems from unauthorized access.