CVE-2018-2362 in HANA
Summary
by MITRE
A remote unauthenticated attacker, SAP HANA 1.00 and 2.00, could send specially crafted SOAP requests to the SAP Startup Service and disclose information such as the platform's hostname.
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Analysis
by VulDB Data Team • 12/20/2019
The vulnerability identified as CVE-2018-2362 represents a critical information disclosure flaw within SAP HANA database systems affecting versions 1.00 and 2.00. This vulnerability resides in the SAP Startup Service component which handles SOAP requests, creating an attack surface that allows remote unauthenticated adversaries to extract sensitive system information. The flaw specifically enables attackers to obtain the platform's hostname through carefully crafted SOAP requests, providing foundational reconnaissance data that could facilitate subsequent attacks. This issue demonstrates the dangerous implications of insufficient input validation and access control mechanisms within enterprise database systems.
The technical exploitation of this vulnerability occurs through the SOAP interface of the SAP Startup Service where the system fails to properly validate incoming requests. When an attacker sends specially crafted SOAP messages, the service processes these requests without adequate authentication checks or input sanitization, resulting in the unintended disclosure of the system's hostname. This represents a classic case of improper access control as defined by CWE-284, where insufficient authorization checks allow unauthorized information disclosure. The vulnerability exists due to the service's lack of proper request validation and authentication requirements, enabling any remote attacker to query system information without presenting valid credentials or authorization tokens.
The operational impact of CVE-2018-2362 extends beyond simple hostname disclosure, as this information serves as a crucial stepping stone for attackers planning more sophisticated attacks against SAP HANA systems. The disclosed hostname provides attackers with basic system identification information that can be used for network mapping, service enumeration, and targeting specific vulnerabilities. This information disclosure vulnerability aligns with ATT&CK technique T1082 which covers system information discovery, and can contribute to broader reconnaissance activities within the attacker's kill chain. Organizations running affected SAP HANA versions face increased risk of targeted attacks, as the leaked hostname information can be used to correlate with other publicly available information or to plan more precise attacks against the identified system.
Organizations should implement immediate mitigations including applying the relevant SAP security patches and updates released to address this vulnerability. Network segmentation and firewall rules should be configured to restrict access to the SAP Startup Service ports, limiting exposure to only trusted networks and authorized administrative access. The implementation of proper access controls and authentication mechanisms should be enforced for all SOAP interfaces, ensuring that service endpoints require valid credentials before processing requests. Additionally, network monitoring should be enhanced to detect unusual SOAP request patterns and unauthorized access attempts to the SAP Startup Service. System administrators should conduct thorough security assessments to identify all instances of affected SAP HANA versions and ensure proper patch management procedures are in place to prevent similar vulnerabilities from being exploited in the future.