CVE-2009-2859 in DB2
Summary
by MITRE
IBM DB2 8.1 before FP18 allows attackers to obtain unspecified access via a das command.
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Analysis
by VulDB Data Team • 03/30/2025
IBM DB2 Database Server version 8.1 prior to Fix Pack 18 contains a security vulnerability that enables unauthorized access through the Distributed Application Server das command interface. This vulnerability represents a critical weakness in the database server's authentication and authorization mechanisms, potentially allowing remote attackers to execute arbitrary commands or access sensitive database resources without proper credentials. The das command interface serves as a communication channel for distributed database operations and is particularly susceptible to exploitation when proper access controls are not enforced. The unspecified nature of the access granted suggests that attackers could potentially gain elevated privileges or access to confidential data depending on the specific implementation details of the affected system.
The technical flaw stems from insufficient validation of authentication tokens and access permissions within the das command processing logic. When the database server receives commands through the das interface, it fails to adequately verify the legitimacy of the requesting entity or enforce proper access controls based on user roles and permissions. This weakness creates an attack vector that aligns with common software vulnerabilities categorized under CWE-285: "Improper Authorization" and CWE-306: "Missing Authentication for Critical Function." The vulnerability exists in the authentication framework of the distributed application server component, which is integral to DB2's distributed database capabilities and enterprise scalability features.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, system compromise, and business disruption. Organizations utilizing IBM DB2 8.1 without the proper fix pack are at risk of having their database systems compromised, potentially leading to unauthorized data extraction, modification, or deletion of critical business information. Attackers could leverage this vulnerability to escalate privileges within the database environment, access sensitive customer data, financial records, or proprietary information stored in the database. The vulnerability particularly affects enterprises that rely on distributed database architectures and may impact compliance with data protection regulations such as pci dss, gdpr, and hipaa due to the potential for unauthorized data access.
Mitigation strategies for this vulnerability require immediate deployment of IBM Fix Pack 18 for DB2 8.1, which addresses the authentication and authorization flaws in the das command interface. Organizations should also implement network segmentation to restrict access to database servers, employ strong access controls and authentication mechanisms, and conduct regular security assessments of database environments. The remediation process should include thorough testing of the fix pack in staging environments before deployment to production systems to ensure compatibility with existing database configurations. Security monitoring should be enhanced to detect unusual patterns of access to the das command interface, and access logs should be reviewed regularly for signs of unauthorized activity. Additionally, organizations should follow the mitre ATT&CK framework's methodology for database security by implementing defensive measures against privilege escalation and unauthorized access techniques that exploit similar authentication weaknesses. The vulnerability demonstrates the importance of maintaining current security patches and implementing defense-in-depth strategies to protect critical database infrastructure from sophisticated attacks targeting enterprise database systems.