CVE-2018-2458 in Business One
Summary
by MITRE
Under certain conditions, Crystal Report using SAP Business One, versions 9.2 and 9.3, connection type allows an attacker to access information which would otherwise be restricted.
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Analysis
by VulDB Data Team • 03/22/2020
The vulnerability identified as CVE-2018-2458 represents a significant information disclosure flaw within SAP Business One versions 9.2 and 9.3 that specifically affects Crystal Report connections. This issue stems from inadequate access controls during the connection process, creating a pathway for unauthorized users to bypass normal security boundaries and gain access to restricted data. The vulnerability exists in the manner in which the system handles authentication and authorization when establishing connections through Crystal Reports, particularly when utilizing specific connection types that do not properly validate user credentials or enforce proper access policies. The flaw manifests when certain connection parameters are configured in a way that allows lateral movement or privilege escalation through the reporting interface.
From a technical perspective, this vulnerability operates as an access control weakness that aligns with CWE-284, which describes improper access control mechanisms within software systems. The root cause involves insufficient validation of connection parameters and user permissions during the Crystal Report connection establishment phase. Attackers can exploit this by manipulating connection strings or authentication contexts to access data that should be restricted to specific user roles or departments. The vulnerability does not require high privileges to exploit and can potentially be leveraged by both internal and external attackers who have access to the system through other vectors. The flaw essentially creates a backdoor through which sensitive business data can be accessed without proper authorization, particularly affecting financial records, customer information, and operational data that would normally be protected by role-based access controls.
The operational impact of CVE-2018-2458 extends beyond simple data exposure, as it undermines the fundamental security architecture of SAP Business One implementations. Organizations using affected versions may experience unauthorized access to confidential business intelligence, financial reports, and sensitive operational data that could lead to competitive disadvantages, regulatory violations, and potential financial losses. The vulnerability particularly affects businesses that rely heavily on Crystal Reports for data visualization and reporting, as these systems often contain comprehensive datasets that span multiple business functions. Attackers exploiting this vulnerability could potentially access payroll information, customer databases, inventory records, and strategic business plans, depending on the specific configuration and access rights within the SAP environment. The impact is further amplified by the fact that the vulnerability can be exploited through legitimate reporting interfaces, making detection more challenging for security monitoring systems.
Organizations should implement immediate mitigations including applying the official SAP security patches released for this vulnerability, reviewing and tightening connection string configurations, and implementing network segmentation to limit access to SAP Business One systems. Security teams should conduct comprehensive access control reviews to ensure that Crystal Report connections properly enforce user permissions and role-based access controls. The implementation of additional monitoring and logging around Crystal Report connection attempts can help detect anomalous access patterns that may indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, specifically leveraging the T1078 legitimate credentials and T1566 social engineering categories. Organizations should also consider implementing the principle of least privilege for all users accessing SAP systems and regularly audit connection configurations to prevent unauthorized access to sensitive business data through reporting interfaces.