CVE-2015-7725 in HANA DB
Summary
by MITRE
Multiple SQL injection vulnerabilities in the Web-based Development Workbench in SAP HANA DB 1.00.091.00.1418659308 allow remote authenticated users to execute arbitrary SQL commands via the (1) remoteSourceName in the dropCredentials function or unspecified vectors in the (2) setTraceLevelsForXsApps, (3) _modifyUser, or (4) _newUser function, aka SAP Security Notes 2153898 and 2153765.
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Analysis
by VulDB Data Team • 04/12/2018
The vulnerability identified as CVE-2015-7725 represents a critical SQL injection flaw within SAP HANA Database's Web-based Development Workbench component. This vulnerability affects SAP HANA version 1.00.091.00.1418659308 and exposes multiple attack vectors that enable authenticated remote attackers to execute arbitrary SQL commands. The flaw resides in the workbench's handling of user-supplied input within several administrative functions, creating pathways for malicious actors to manipulate database operations and potentially gain unauthorized access to sensitive information.
The technical implementation of this vulnerability manifests through four distinct attack vectors that leverage improper input validation and sanitization practices. The primary attack vector involves the remoteSourceName parameter within the dropCredentials function, where unvalidated user input directly influences SQL query construction. Additionally three other functions including setTraceLevelsForXsApps, _modifyUser, and _newUser present similar weaknesses that allow attackers to inject malicious SQL payloads. These vulnerabilities fall under CWE-89 which specifically addresses SQL injection flaws where user-controllable data is incorporated into SQL queries without proper sanitization or parameterization. The attack requires only authenticated access to the system, making it particularly dangerous as it can be exploited by insiders or compromised legitimate users.
The operational impact of CVE-2015-7725 extends beyond simple data theft, potentially enabling complete database compromise and unauthorized system access. Attackers exploiting these vulnerabilities could execute arbitrary database commands, modify or delete critical data, extract sensitive information including user credentials and business data, and potentially escalate privileges within the SAP environment. The vulnerability affects the core administrative functions of SAP HANA, making it a prime target for attackers seeking to gain persistent access to enterprise databases. Organizations utilizing SAP HANA in production environments face significant risk of data breaches, compliance violations, and operational disruption if these vulnerabilities remain unpatched. The attack surface is particularly concerning as it involves functions used for user management and system tracing, which are frequently accessed during normal administrative operations.
Mitigation strategies for CVE-2015-7725 should focus on immediate patch application as recommended by SAP security notes 2153898 and 2153765. Organizations must ensure all SAP HANA systems are updated to versions that address these SQL injection vulnerabilities through proper input validation and parameterized query execution. Network segmentation and access controls should be implemented to limit exposure of the Web-based Development Workbench to only authorized administrative users. Additionally, monitoring and logging should be enhanced to detect anomalous database access patterns that might indicate exploitation attempts. Security teams should implement database activity monitoring solutions that can detect SQL injection attempts and unauthorized administrative activities. The vulnerability demonstrates the importance of following secure coding practices including input validation, parameterized queries, and principle of least privilege access controls as outlined in various security frameworks and standards including those referenced in the ATT&CK framework for database security operations.