CVE-2014-0261 in Dynamics AX
Summary
by MITRE
Microsoft Dynamics AX 4.0 SP2, 2009 SP1, 2012, and 2012 R2 allows remote authenticated users to cause a denial of service (instance outage) via crafted data to an Application Object Server (AOS) instance, aka "Query Filter DoS Vulnerability."
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 12/22/2024
The CVE-2014-0261 vulnerability represents a critical denial of service flaw within Microsoft Dynamics AX enterprise resource planning software across multiple versions including 4.0 SP2, 2009 SP1, 2012, and 2012 R2. This vulnerability specifically targets the Application Object Server (AOS) component which serves as the core business logic layer for Dynamics AX applications. The flaw manifests when authenticated users submit specially crafted data to the AOS instance, resulting in complete service disruption and system outage. The vulnerability operates at the application layer and exploits weaknesses in how the AOS processes query filter operations, making it particularly dangerous as it requires only authenticated access rather than administrative privileges. This characteristic places the vulnerability within the scope of the Common Weakness Enumeration category CWE-400, which classifies it as a weakness related to uncontrolled resource consumption, specifically in the context of denial of service attacks. The attack vector involves sending malformed or specially constructed query parameters that trigger an exception in the AOS processing engine, causing the application instance to crash and become unavailable to legitimate users.
The operational impact of CVE-2014-0261 extends beyond simple service interruption to encompass significant business continuity risks for organizations relying on Dynamics AX for critical enterprise operations. When an AOS instance becomes unresponsive due to this vulnerability, it affects the entire application stack including financial modules, supply chain management, human resources, and other business processes that depend on the ERP system. The vulnerability's remote nature means that attackers can exploit it from external networks without requiring physical access to the server infrastructure, making it particularly attractive to threat actors seeking to disrupt business operations. Organizations may experience extended downtime periods while system administrators work to restore services, potentially resulting in lost productivity, delayed transactions, and financial losses. The vulnerability's classification under ATT&CK technique T1499.004, which covers network denial of service attacks, indicates that this flaw can be leveraged as part of broader attack campaigns targeting enterprise infrastructure availability. Furthermore, the fact that this vulnerability affects multiple versions of Dynamics AX suggests a widespread impact across organizations with legacy systems, many of which may not have been properly patched due to complexity of ERP environments or budget constraints.
Mitigation strategies for CVE-2014-0261 should focus on both immediate defensive measures and long-term architectural improvements. Organizations should implement network segmentation to limit access to AOS instances and restrict authentication to trusted user bases, thereby reducing the attack surface. The most effective immediate solution involves applying Microsoft security patches that address the specific query filter processing vulnerability within the AOS component. System administrators should also implement monitoring and alerting mechanisms to detect unusual query patterns that might indicate exploitation attempts, particularly focusing on monitoring for repeated failed query operations or abnormal resource consumption. The vulnerability's nature suggests that input validation and parameter sanitization should be enhanced at the application level, implementing stricter validation of all data submitted to the AOS for query processing. Additionally, organizations should consider implementing rate limiting controls to prevent abuse of query functionality and establish incident response procedures specifically tailored to handle AOS instance outages. From a compliance perspective, this vulnerability affects organizations subject to regulations requiring system availability and business continuity planning, potentially triggering audit findings related to inadequate vulnerability management processes. The ATT&CK framework's guidance on defending against denial of service attacks suggests implementing redundant AOS instances and load balancing configurations to provide resilience against single points of failure, while also ensuring that backup and recovery procedures account for the specific failure modes associated with this vulnerability.