CVE-2015-4159 in HANA Web-Based Development Workbench
Summary
by MITRE
SQL injection vulnerability in SAP HANA Web-based Development Workbench allows remote attackers to execute arbitrary SQL commands via unspecified vectors, aka SAP Security Notes 2153892.
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Analysis
by VulDB Data Team • 07/10/2017
The vulnerability identified as CVE-2015-4159 represents a critical SQL injection flaw within SAP HANA Web-based Development Workbench, a component that serves as a development environment for creating and managing database applications. This weakness specifically affects the web-based interface used by developers to interact with SAP HANA databases, creating a potential pathway for malicious actors to bypass authentication mechanisms and directly manipulate database operations. The vulnerability's impact extends beyond simple data access as it enables remote code execution through crafted SQL commands, making it particularly dangerous for enterprise environments where database integrity and security are paramount.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the web-based development workbench components. Attackers can exploit this weakness by submitting malicious SQL payloads through unspecified vectors within the application's user interface or API endpoints. The flaw operates at the application layer where user-supplied data is directly incorporated into SQL queries without proper parameterization or escaping mechanisms. This allows attackers to manipulate the underlying database queries and potentially execute arbitrary commands with elevated privileges, often those of the database user account under which the application operates.
From an operational perspective, the implications of CVE-2015-4159 are severe for organizations utilizing SAP HANA systems, particularly those with extensive database development activities. The vulnerability could enable attackers to access sensitive business data, modify database structures, or even escalate privileges to gain administrative control over the entire SAP HANA environment. The remote nature of the attack means that adversaries do not require physical access to the system or network, making the threat surface significantly broader. Organizations may face regulatory compliance issues, data breaches, and potential financial losses if this vulnerability is exploited successfully, especially in industries with strict data protection requirements such as finance, healthcare, or government sectors.
Security practitioners should implement immediate mitigations including applying the official SAP security notes referenced in the vulnerability disclosure, specifically SAP Security Notes 2153892, which provide detailed patch instructions and configuration changes. Network segmentation and access controls should be strengthened to limit exposure of the affected development workbench to only authorized personnel. The principle of least privilege should be enforced by ensuring that database accounts used by the web-based development environment have minimal required permissions. Additionally, monitoring and logging should be enhanced to detect anomalous SQL query patterns that might indicate exploitation attempts. This vulnerability aligns with CWE-89, which categorizes SQL injection flaws as a fundamental weakness in application security, and maps to ATT&CK technique T1071.004 for application layer protocol usage. Organizations should also consider implementing web application firewalls and database activity monitoring solutions to provide additional layers of defense against such attacks. The remediation process must include thorough testing of patches to ensure they do not introduce compatibility issues with existing development workflows while maintaining the security posture of the SAP HANA environment.