CVE-2006-0529 in BrightStor
Summary
by MITRE
Computer Associates (CA) Message Queuing (CAM / CAFT) before 1.07 Build 220_16 and 1.11 Build 29_20, as used in multiple CA products, allows remote attackers to cause a denial of service via a crafted message to TCP port 4105.
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Analysis
by VulDB Data Team • 06/13/2019
The vulnerability identified as CVE-2006-0529 affects Computer Associates Message Queuing systems including CAFT and CAM components across multiple CA products. This issue represents a significant security weakness in the message queuing infrastructure that enables remote attackers to disrupt system operations through carefully constructed malicious messages. The affected versions include CAM/CAFT prior to 1.07 Build 220_16 and 1.11 Build 29_20, indicating that this vulnerability has persisted for an extended period without adequate patching in many environments. The attack vector specifically targets TCP port 4105 which serves as the primary communication endpoint for the vulnerable message queuing system.
The technical flaw manifests as a denial of service condition that occurs when the system processes a specially crafted message sent to the designated TCP port 4105. This vulnerability falls under the category of input validation failures and can be classified as a CWE-129 weakness related to insufficient input validation or a CWE-400 weakness representing an uncontrolled resource consumption scenario. The system lacks proper message parsing and validation mechanisms that would normally detect malformed or malicious input sequences, allowing attackers to exploit the message handling routines through carefully constructed payloads that trigger resource exhaustion or system instability.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire messaging infrastructure within affected environments. Organizations relying on CA Message Queuing systems for critical business processes face significant risk of operational downtime, data processing delays, and potential cascading failures throughout their distributed systems. The remote nature of the attack means that adversaries can exploit this weakness from any network location without requiring physical access or local credentials, making it particularly dangerous for enterprise environments where such systems typically operate in exposed network zones. This vulnerability directly maps to ATT&CK technique T1499.004 which involves network denial of service attacks targeting system resources.
Mitigation strategies for CVE-2006-0529 should prioritize immediate patching of affected systems to the latest available versions of CAM/CAFT that contain the necessary security fixes. Network segmentation and firewall rule implementation can provide temporary protection by blocking access to TCP port 4105 from unauthorized networks, though this approach does not address the underlying vulnerability. Organizations should also implement robust monitoring and alerting mechanisms to detect unusual message traffic patterns or system behavior that might indicate exploitation attempts. Additionally, the affected systems should undergo comprehensive security assessments to identify any other potential vulnerabilities in the broader CA product ecosystem, as similar issues may exist in related components. Regular vulnerability scanning and penetration testing should be conducted to ensure that all instances of the vulnerable software have been properly updated and secured against this specific denial of service threat.