CVE-2013-7094 in NetWeaver
Summary
by MITRE
SQL injection vulnerability in the RSDDCVER_COUNT_TAB_COLS function in SAP NetWeaver 7.30 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 03/24/2015
The CVE-2013-7094 vulnerability represents a critical sql injection flaw within SAP NetWeaver 7.30 platform, specifically affecting the RSDDCVER_COUNT_TAB_COLS function. This vulnerability exposes organizations to significant security risks as it permits remote attackers to execute arbitrary sql commands without proper authentication or authorization. The flaw resides in the database layer of SAP NetWeaver, making it particularly dangerous as it can be exploited from external networks without requiring privileged access to the system. The vulnerability affects the database query execution process where user input is not properly sanitized before being incorporated into sql statements, creating an avenue for malicious sql code injection.
The technical implementation of this vulnerability stems from insufficient input validation and parameter sanitization within the RSDDCVER_COUNT_TAB_COLS function. When the function processes database queries, it fails to properly escape or validate user-supplied parameters, allowing attackers to manipulate the sql execution flow. This type of vulnerability maps directly to CWE-89 sql injection, which is classified as a high-severity weakness in the CWE top 25 most dangerous software weaknesses. The attack vector typically involves sending maliciously crafted input through web interfaces or api calls that ultimately reach the vulnerable function, where the input is concatenated into sql statements without proper sanitization. This flaw can be exploited through various means including http parameters, form submissions, or api calls that interact with the affected database function.
The operational impact of CVE-2013-7094 extends beyond simple data theft, as successful exploitation can lead to complete database compromise, unauthorized data modification, and potential system escalation. Attackers can leverage this vulnerability to extract sensitive information from the database, modify or delete critical business data, and potentially establish persistent access within the organization's network infrastructure. The vulnerability affects organizations using SAP NetWeaver 7.30 implementations, which are commonly found in enterprise environments where business-critical data is stored and processed. This creates significant risk for financial institutions, healthcare organizations, and government agencies that rely on SAP systems for their core operations. The vulnerability's remote exploitability means that attackers can target systems from anywhere on the internet, making it particularly dangerous for organizations with exposed web applications.
Mitigation strategies for CVE-2013-7094 should include immediate patching of affected SAP NetWeaver 7.30 installations with the vendor-provided security updates. Organizations should also implement network segmentation to limit access to vulnerable systems and deploy web application firewalls to detect and block malicious sql injection attempts. Database access controls should be reviewed and strengthened to ensure that applications use least privilege principles when connecting to databases. Additionally, input validation should be enhanced across all database interaction points, and parameterized queries should be implemented to prevent sql injection attacks. Security monitoring should be enhanced to detect unusual database activity patterns that may indicate exploitation attempts. The vulnerability's characteristics align with ATT&CK technique T1190 for exploitation of remote services, and T1071.004 for application layer protocol usage, making comprehensive security monitoring essential for early detection and response. Organizations should also conduct thorough vulnerability assessments to identify other potential sql injection vulnerabilities in their SAP environments and related systems.