CVE-2018-2425 in Business One
Summary
by MITRE
Under certain conditions, SAP Business One, 9.2, 9.3, for SAP HANA backup service allows an attacker to access information which would otherwise be restricted.
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Analysis
by VulDB Data Team • 03/22/2023
The vulnerability identified as CVE-2018-2425 affects SAP Business One versions 9.2 and 9.3 when deployed on SAP HANA infrastructure, representing a critical information disclosure flaw that undermines the system's access control mechanisms. This vulnerability resides within the backup service component of SAP Business One, which is designed to manage and execute database backup operations for the enterprise resource planning solution. The flaw manifests when specific conditions are met during the backup service operation, allowing unauthorized access to restricted information that should only be available to authenticated administrative users. The vulnerability essentially creates a path for privilege escalation and data exfiltration through improper authorization checks within the backup service interface.
The technical implementation of this vulnerability stems from inadequate input validation and access control enforcement within the backup service functionality. Attackers can exploit this weakness by crafting specific requests that bypass normal authentication and authorization protocols, potentially gaining access to database backup files, system configuration details, user credentials, and other sensitive operational data. The flaw operates at the application layer and leverages the trust relationship between the backup service and underlying SAP HANA database components. According to CWE classification, this vulnerability maps to CWE-284: Improper Access Control, which specifically addresses insufficient authorization checks that allow unauthorized access to resources. The vulnerability's impact is amplified by the fact that backup services often contain sensitive operational data and may have elevated privileges within the system architecture.
The operational impact of CVE-2018-2425 extends beyond simple information disclosure, as it creates potential pathways for more sophisticated attacks within the SAP Business One environment. An attacker who successfully exploits this vulnerability could gain access to backup files containing complete database snapshots, which would provide comprehensive insights into the organization's business operations, financial data, and customer information. This access could enable further exploitation attempts including credential theft, system compromise, and business disruption. The vulnerability affects organizations using SAP Business One on SAP HANA platforms, creating a significant risk for enterprises that rely on proper data segregation and access control. From an ATT&CK framework perspective, this vulnerability maps to T1078: Valid Accounts and T1566: Phishing, as it could enable attackers to leverage compromised backup access for broader system infiltration. Organizations with multiple SAP Business One instances across different environments would face cascading risks if this vulnerability is exploited in one location.
Mitigation strategies for CVE-2018-2425 should focus on immediate patch deployment from SAP, which includes updated access control mechanisms and enhanced validation checks within the backup service component. Organizations should implement network segmentation to isolate the backup service from general network access and restrict direct connectivity to backup service endpoints. Additional controls include implementing strict firewall rules that limit access to backup service ports and addresses, enabling detailed audit logging for backup service activities, and conducting regular security assessments of SAP Business One configurations. The remediation process should also include disabling unnecessary backup service functionality and ensuring that only authorized administrative personnel have access to backup operations. Security teams should monitor for unusual backup service activity patterns and implement intrusion detection systems that can identify potential exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to verify that access control measures remain effective against similar vulnerabilities. Organizations should also consider implementing data loss prevention measures to protect sensitive information contained within backup files.