CVE-2005-0612 in Perl
Summary
by MITRE
Cisco IP/VC Videoconferencing System 3510, 3520, 3525 and 3530 contain hard-coded default SNMP community strings, which allows remote attackers to gain access, cause a denial of service, and modify configuration.
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Analysis
by VulDB Data Team • 07/01/2019
The Cisco IP/VC Videoconferencing System series represents a critical class of network infrastructure devices that facilitate real-time multimedia communications across enterprise networks. These systems operate as sophisticated endpoints within video conferencing ecosystems and are designed to handle sensitive business communications. The vulnerability identified in CVE-2005-0612 specifically targets the SNMP (Simple Network Management Protocol) implementation within the Cisco IP/VC Videoconferencing Systems 3510, 3520, 3525, and 3530 models. This flaw stems from the implementation of hard-coded default SNMP community strings that are embedded within the device firmware during manufacturing. The presence of these hardcoded credentials creates a fundamental security weakness that directly violates industry best practices for secure system design and configuration management.
The technical exploitation of this vulnerability occurs when remote attackers discover and utilize the hard-coded SNMP community strings to establish unauthorized communication with the affected videoconferencing systems. These community strings function as passwords for SNMP access, enabling attackers to perform a range of malicious activities including reading system configuration parameters, modifying device settings, and potentially causing system instability through improper configuration changes. The vulnerability specifically falls under CWE-798, which addresses the use of hard-coded credentials, and represents a classic example of poor secure coding practices in embedded systems. Attackers can leverage these default strings to gain unauthorized access to the device management interfaces, potentially leading to complete system compromise and unauthorized control over critical communication infrastructure.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates opportunities for both passive and active attacks against enterprise communication networks. Remote attackers can exploit this weakness to perform reconnaissance activities, gather intelligence about network topology and system configurations, and potentially use the compromised devices as stepping stones for broader network infiltration. The ability to cause denial of service represents a particularly concerning aspect, as videoconferencing systems are often critical business infrastructure components that support essential communication functions. When these systems are rendered unavailable through configuration modifications or intentional disruption, the impact can significantly affect business continuity and collaborative operations. Furthermore, the modification capabilities allow attackers to alter system configurations in ways that could persist even after device reboots, creating long-term security implications for the affected organizations.
Mitigation strategies for this vulnerability require immediate action from network administrators and security teams responsible for maintaining these videoconferencing systems. The most effective immediate solution involves changing the default SNMP community strings to strong, unique values that are properly managed and distributed through secure configuration processes. Organizations should implement comprehensive network monitoring to detect unauthorized SNMP access attempts and establish regular security assessments to identify any remaining hardcoded credentials. The remediation process should follow established security frameworks such as those outlined in the NIST Cybersecurity Framework and ISO/IEC 27001 standards for information security management. Additionally, network segmentation and access control measures should be implemented to limit the exposure of these devices to unauthorized network segments, reducing the attack surface and containing potential compromise scenarios. Regular firmware updates and security patches should be applied to ensure that future vulnerabilities are addressed while maintaining proper configuration management practices to prevent recurrence of similar hard-coded credential issues in newly deployed systems.