CVE-2014-8311 in BusinessObjects
Summary
by MITRE
SAP BusinessObjects Edge 4.0 allows remote attackers to obtain sensitive information via an InfoStore query to a CORBA listener.
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Analysis
by VulDB Data Team • 03/30/2022
SAP BusinessObjects Edge 4.0 contains a critical information disclosure vulnerability that enables remote attackers to access sensitive data through improperly secured CORBA (Common Object Request Broker Architecture) listener components. This vulnerability exists within the InfoStore query functionality which processes requests from external clients without adequate authentication or authorization checks. The flaw allows attackers to craft malicious queries that can traverse the CORBA interface to extract information that should remain protected within the system's internal data structures. The vulnerability specifically affects the communication protocols used by BusinessObjects Edge to handle data requests, creating an attack surface that extends beyond the intended security boundaries of the application.
The technical implementation of this vulnerability stems from insufficient input validation and access control mechanisms within the CORBA listener component. When InfoStore processes incoming queries, it fails to properly validate the source or content of the requests, allowing unauthorized parties to manipulate the query parameters to access restricted data. The CORBA interface serves as a communication channel between different application components and typically requires proper authentication tokens or security contexts to validate requests. However, in this case, the system accepts queries that bypass these security measures, effectively exposing internal data structures to external inspection. This represents a classic case of insufficient authorization checks where the system assumes all incoming requests are legitimate without proper verification of the requesting entity's credentials or permissions.
The operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more sophisticated attacks that could compromise the integrity of the entire BusinessObjects environment. Attackers could use this vulnerability to map internal data structures, identify sensitive business information, or gather intelligence about the system architecture that could facilitate subsequent attacks. The exposed information could include database schemas, user credentials, system configurations, or business-critical data that organizations rely on for competitive advantage. This vulnerability directly violates the principle of least privilege and could allow attackers to escalate their access to other system components that may share the same infrastructure or communication channels. Organizations using SAP BusinessObjects Edge 4.0 could face significant compliance violations and regulatory penalties if sensitive data is compromised through this vector, particularly in industries with strict data protection requirements.
Mitigation strategies for this vulnerability should focus on implementing proper authentication and authorization controls at the CORBA listener level, along with network segmentation to limit access to critical system components. Organizations should ensure that all incoming queries through the InfoStore interface are properly validated and authenticated before processing, implementing robust input sanitization to prevent malicious parameter manipulation. Network-level controls including firewall rules and access control lists should be configured to restrict access to the CORBA listener ports and services to only authorized systems and users. Additionally, implementing comprehensive logging and monitoring of InfoStore queries can help detect anomalous access patterns that may indicate exploitation attempts. This vulnerability aligns with CWE-284 which addresses improper access control, and could be categorized under ATT&CK technique T1213 for data from information repositories, emphasizing the need for proper access controls and monitoring of data access patterns. Regular security assessments and vulnerability scanning should be implemented to identify similar issues in other SAP components that may utilize CORBA or similar communication protocols.