CVE-2003-0943 in Database Server
Summary
by MITRE
web-tools in SAP DB before 7.4.03.30 installs several services that are enabled by default, which could allow remote attackers to obtain potentially sensitive information or redirect attacks against internal databases via (1) waecho, (2) Web SQL Interface (websql), or (3) Web Database Manager (webdbm).
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Analysis
by VulDB Data Team • 05/23/2019
The vulnerability identified as CVE-2003-0943 affects SAP DB versions prior to 7.4.03.30 and represents a critical security flaw in the web-tools component of the database management system. This issue stems from the default installation configuration where multiple web services are activated without proper security considerations, creating an attack surface that adversaries can exploit to gain unauthorized access to sensitive database information. The vulnerability specifically impacts three distinct web interfaces: waecho, Web SQL Interface, and Web Database Manager, each presenting unique pathways for potential exploitation. These services operate with insufficient access controls and authentication mechanisms, making them prime targets for reconnaissance and attack activities.
The technical implementation of this vulnerability involves the improper configuration of web services that are automatically enabled during installation processes. The waecho service provides system echo functionality that can reveal internal system information, while the Web SQL Interface allows direct SQL query execution through web interfaces, and the Web Database Manager offers administrative capabilities accessible via web protocols. These services lack proper authorization checks and input validation, enabling remote attackers to perform unauthorized operations. The flaw essentially creates a backdoor through which malicious actors can bypass normal authentication procedures and access database resources that should remain protected. This represents a classic example of insecure default configurations that violate fundamental security principles outlined in the OWASP Top Ten and similar industry standards.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to redirect attacks against internal database systems and potentially gain access to sensitive data repositories. Remote attackers can leverage these exposed services to perform unauthorized database operations, execute arbitrary SQL commands, and potentially escalate privileges within the database environment. The vulnerability is particularly concerning because it affects the database management system at its core, allowing attackers to manipulate database configurations and access protected information without requiring physical access to the system. This type of vulnerability aligns with attack patterns documented in the MITRE ATT&CK framework under the initial access and privilege escalation categories, where adversaries establish footholds through exposed services and then move laterally within network environments.
Organizations affected by this vulnerability should implement immediate remediation measures including updating to SAP DB version 7.4.03.30 or later, which contains the necessary security patches to address the default service configurations. System administrators must also review and disable unnecessary web services that are not required for business operations, implementing proper access controls and network segmentation to limit exposure. The remediation process should include thorough security assessments to identify any existing exploitation attempts and ensure that the patched systems maintain proper security configurations. Additionally, organizations should establish monitoring procedures to detect unauthorized access attempts through these web interfaces and implement network-level controls to restrict access to these services to trusted networks only. This vulnerability highlights the importance of secure configuration management and proper service hardening practices as recommended in various security frameworks including NIST SP 800-53 and ISO 27001 standards.