CVE-2015-7727 in HANA DB
Summary
by MITRE
Multiple SQL injection vulnerabilities in the Web-based Development Workbench in SAP HANA DB 1.00.73.00.389160 (NewDB100_REL) allow remote authenticated users to execute arbitrary SQL commands via unspecified vectors in the (1) trace configuration page or (2) getSqlTraceConfiguration function, aka SAP Security Note 2153898.
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Analysis
by VulDB Data Team • 04/12/2018
The vulnerability identified as CVE-2015-7727 represents a critical SQL injection flaw within SAP HANA Database's Web-based Development Workbench component. This issue affects SAP HANA DB version 1.00.73.00.389160 and is documented in SAP Security Note 2153898. The vulnerability enables remote authenticated attackers to execute arbitrary SQL commands through unspecified vectors present in two specific areas of the web interface. The affected components include the trace configuration page and the getSqlTraceConfiguration function, both of which serve as potential entry points for malicious SQL injection attacks. This vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a critical weakness in software applications that process user-supplied data without proper sanitization or validation.
The technical exploitation of this vulnerability occurs when authenticated users interact with the affected web-based interfaces, specifically the trace configuration page and the getSqlTraceConfiguration function. Attackers can manipulate input parameters within these components to inject malicious SQL code that gets executed within the database context. The authentication requirement means that attackers must first obtain valid credentials, but once authenticated, they can leverage this vulnerability to escalate their privileges and potentially gain unauthorized access to sensitive database information. The nature of SQL injection in this context allows for data manipulation, unauthorized data access, and potentially complete database compromise. This vulnerability aligns with ATT&CK technique T1071.004 for Application Layer Protocol: DNS and T1213.002 for Data from Information Repositories, as it enables attackers to extract and manipulate data through database interfaces.
The operational impact of CVE-2015-7727 is significant for organizations utilizing SAP HANA Database systems, particularly those with web-based development workbenches. Successful exploitation can result in unauthorized data access, data modification, and potential complete database compromise. The vulnerability affects the integrity and confidentiality of database operations, as attackers can execute arbitrary SQL commands that may include data exfiltration, data corruption, or privilege escalation. Organizations with SAP HANA systems deployed in production environments face substantial risk, especially if the web-based development workbench is accessible to multiple users or if proper access controls are not implemented. The vulnerability's remote execution capability means that attackers do not need physical access to the system, making it particularly dangerous for distributed environments.
Organizations should implement immediate mitigations including applying the relevant SAP security patches and updates as outlined in SAP Security Note 2153898. Network segmentation and access controls should be strengthened to limit access to the affected web interfaces and functions. Input validation and parameterized queries should be implemented or enhanced to prevent SQL injection attacks. Security monitoring should be increased for database access patterns and unusual SQL command executions. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other SAP components. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in database security. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous SQL execution patterns and alert security teams to potential exploitation attempts. Additionally, security awareness training for developers and administrators should emphasize secure coding practices and the prevention of SQL injection vulnerabilities in application development.