CVE-2001-1070 in MAS 200
Summary
by MITRE
Sage Software MAS 200 allows remote attackers to cause a denial of service by connecting to port 10000 and entering a series of control characters.
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Analysis
by VulDB Data Team • 04/08/2019
The vulnerability identified as CVE-2001-1070 affects Sage Software MAS 200, a widely used enterprise resource planning application in business environments. This particular flaw represents a classic denial of service vulnerability that exploits the application's handling of network connections on port 10000. The vulnerability is particularly concerning because it allows remote attackers to disrupt service availability without requiring authentication or specialized privileges, making it an attractive target for malicious actors seeking to compromise business operations. The affected system operates on a network protocol that accepts connections on port 10000, which serves as the primary communication channel for the application's network services.
The technical implementation of this vulnerability stems from inadequate input validation and improper handling of control characters within the network protocol stack of the MAS 200 application. When remote clients establish connections to port 10000 and transmit sequences of control characters, the application fails to properly sanitize or process these inputs, leading to unexpected behavior that ultimately results in service termination or system instability. This flaw aligns with CWE-20, which describes improper input validation, and represents a specific instance where control character sequences cause the application to crash or become unresponsive. The vulnerability operates at the protocol level, affecting how the application processes incoming network data streams rather than targeting application-specific logic or database operations.
From an operational perspective, this vulnerability creates significant business disruption potential as it allows attackers to render the entire Sage MAS 200 system unavailable to legitimate users. The impact extends beyond simple service interruption since many businesses rely heavily on continuous operation of their ERP systems for financial processing, inventory management, and other critical business functions. The remote nature of the attack means that adversaries can exploit this vulnerability from anywhere on the network, potentially from outside the corporate perimeter, without requiring physical access or insider knowledge of the system. This characteristic places the vulnerability in the ATT&CK framework under the T1499 category, specifically targeting network denial of service techniques that can be executed remotely.
The mitigation strategies for CVE-2001-1070 should focus on network-level protections and application hardening measures. Organizations should implement firewall rules to restrict access to port 10000, particularly blocking external connections unless absolutely necessary for legitimate business operations. Network segmentation can help contain the impact by isolating the affected application from critical business systems. Additionally, applying the latest security patches from Sage Software is essential, as the vendor would have addressed this vulnerability through code modifications that properly validate incoming control characters. System administrators should also implement monitoring solutions that can detect unusual connection patterns or control character sequences on port 10000, providing early warning of potential exploitation attempts. Regular security assessments and network traffic analysis should be conducted to identify any unauthorized access attempts or anomalous behavior that might indicate exploitation of this vulnerability. The remediation approach should also include reviewing and updating network security policies to ensure that only authorized personnel can establish connections to critical application ports, thereby reducing the attack surface and protecting against similar vulnerabilities in other network services.