CVE-2010-0472 in db2
Summary
by MITRE
kuddb2 in Tivoli Monitoring for DB2, as distributed in IBM DB2 9.7 FP1 on Linux, allows remote attackers to cause a denial of service (daemon crash) via a certain byte sequence.
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Analysis
by VulDB Data Team • 04/30/2026
The vulnerability identified as CVE-2010-0472 affects the kuddb2 component within IBM Tivoli Monitoring for DB2 version 9.7 FP1 running on Linux systems. This issue represents a significant security concern as it enables remote attackers to execute a denial of service attack that results in the complete crash of the monitoring daemon. The vulnerability specifically targets the kuddb2 process which is responsible for collecting and monitoring database performance metrics, making it a critical component for database administration and monitoring operations. The flaw exists in the input validation mechanisms of this monitoring agent, which fails to properly handle certain byte sequences that are sent to the daemon.
The technical implementation of this vulnerability stems from insufficient validation of incoming data streams within the kuddb2 monitoring process. When the daemon receives a malformed byte sequence that exceeds expected parameter boundaries or contains unexpected data patterns, the process fails to properly sanitize or reject the input. This leads to a buffer overflow condition or memory corruption scenario that causes the daemon to terminate unexpectedly. The vulnerability is particularly concerning because it does not require authentication or elevated privileges to exploit, making it accessible to any remote attacker who can establish communication with the monitoring daemon. The attack vector typically involves sending specially crafted network packets or data inputs that trigger the daemon crash through improper memory handling routines.
The operational impact of this vulnerability extends beyond simple service disruption as it compromises the integrity of database monitoring capabilities that organizations rely upon for performance management and troubleshooting. When the kuddb2 daemon crashes, database administrators lose visibility into critical performance metrics, system resource utilization, and potential performance bottlenecks that the monitoring system was designed to detect. This creates a dangerous situation where database administrators cannot effectively monitor their systems during critical periods or when incidents occur, potentially leading to extended downtime and performance degradation. The vulnerability also affects system reliability as the daemon may not automatically restart, requiring manual intervention to restore monitoring capabilities. From an enterprise security perspective, this vulnerability can be leveraged as a precursor to more sophisticated attacks, as it provides an initial foothold for attackers to disable critical monitoring systems before launching additional attacks against the database infrastructure.
Organizations should implement immediate mitigations including applying the relevant IBM security patches and updates that address this vulnerability. Network segmentation and access control measures should be strengthened to limit exposure of the monitoring daemon to untrusted networks. Implementing intrusion detection systems that can identify and block suspicious byte sequences targeting the monitoring daemon can provide additional layers of protection. The vulnerability aligns with CWE-121, which addresses stack-based buffer overflow conditions, and represents a classic example of how improper input validation can lead to denial of service scenarios. From an ATT&CK framework perspective, this vulnerability maps to techniques involving service stoppage and system resource exhaustion, potentially enabling adversaries to establish persistence through disabling security monitoring capabilities. Regular security assessments should be conducted to identify similar vulnerabilities in other monitoring agents and database management components, as this type of flaw commonly exists in legacy systems where input validation was not sufficiently implemented.