CVE-2003-1114 in VoIP Access Devices And Gateways
Summary
by MITRE
The Session Initiation Protocol (SIP) implementation in Mediatrix Telecom VoIP Access Devices and Gateways running SIPv2.4 and SIPv4.3 firmware allows remote attackers to cause a denial of service or execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.
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Analysis
by VulDB Data Team • 11/19/2024
The vulnerability described in CVE-2003-1114 represents a critical security flaw within the Session Initiation Protocol implementation of Mediatrix Telecom VoIP devices. This vulnerability specifically affects devices running firmware versions SIPv2.4 and SIPv4.3, which are widely deployed in enterprise and telecommunications environments for voice over internet protocol communications. The issue stems from inadequate input validation and memory handling within the SIP processing mechanisms, creating a pathway for malicious actors to exploit the system through carefully crafted INVITE messages that form the foundation of SIP communication protocols.
The technical flaw manifests as a buffer overflow or memory corruption vulnerability that occurs when the affected devices process malformed INVITE requests. This type of vulnerability falls under CWE-121, which describes stack-based buffer overflow conditions, and is particularly dangerous because SIP INVITE messages are fundamental to initiating voice calls in VoIP systems. The vulnerability allows remote attackers to manipulate the device's memory management functions, potentially leading to arbitrary code execution or complete system compromise. The attack vector is particularly concerning as it requires no authentication and can be executed from any network location, making it accessible to both skilled and unskilled adversaries.
The operational impact of this vulnerability extends beyond simple denial of service scenarios, as the potential for arbitrary code execution creates a severe risk to network infrastructure and data integrity. When exploited, the vulnerability can result in complete system compromise, allowing attackers to gain unauthorized access to voice communication networks, potentially enabling eavesdropping, call interception, or further network infiltration. The OUSPG PROTOS c07-sip test suite demonstrates the vulnerability's exploitability through standardized testing methodologies that validate the existence of the flaw. Organizations relying on these devices face significant operational risks including service disruption, regulatory compliance violations, and potential financial losses due to compromised voice communications.
Mitigation strategies for this vulnerability should encompass multiple layers of security controls and operational procedures. Immediate remediation involves updating firmware to versions that address the buffer overflow conditions and implement proper input validation mechanisms. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks. The implementation of intrusion detection systems capable of identifying anomalous SIP traffic patterns provides additional monitoring capabilities. Organizations should also establish regular vulnerability assessment procedures to identify similar flaws in other network infrastructure components and maintain updated security patches for all VoIP systems. This vulnerability highlights the importance of secure coding practices and comprehensive security testing for telecommunications infrastructure, aligning with ATT&CK framework techniques related to privilege escalation and command execution within networked environments.