CVE-2014-2198 in Unified CDM Platform Software
Summary
by MITRE
Cisco Unified Communications Domain Manager (CDM) in Unified CDM Platform Software before 4.4.2 has a hardcoded SSH private key, which makes it easier for remote attackers to obtain access to the support and root accounts by extracting this key from a binary file found in a different installation of the product, aka Bug ID CSCud41130.
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Analysis
by VulDB Data Team • 03/24/2022
The vulnerability described in CVE-2014-2198 represents a critical security flaw in Cisco Unified Communications Domain Manager software where a hardcoded SSH private key exists within the product's binary components. This weakness affects versions of the Unified CDM Platform Software prior to 4.4.2, creating an exploitable condition that significantly undermines the security posture of affected systems. The vulnerability stems from poor secure coding practices where cryptographic keys are embedded directly into the software rather than being generated dynamically or stored securely. This hardcoded key allows unauthorized parties to gain access to support and root accounts, effectively providing a backdoor into the system's administrative functions. The flaw is particularly concerning because it enables remote attackers to bypass normal authentication mechanisms and directly access critical system resources without requiring legitimate credentials or prior access to the network.
The technical implementation of this vulnerability involves a binary file within the software installation that contains a hardcoded SSH private key. When attackers can extract this key from a different installation of the same product, they can use it to authenticate to the target system. This type of flaw falls under CWE-312 (CWE-312: Cleartext Storage of Sensitive Information) and CWE-310 (CWE-310: Cryptographic Issues) categories, as it involves the insecure storage of cryptographic material and the exposure of sensitive authentication credentials. The vulnerability enables privilege escalation attacks through the ATT&CK technique T1078 (Valid Accounts) and T1566 (Phishing) as attackers can leverage the hardcoded key to establish unauthorized access to administrative accounts. The presence of such keys in software binaries represents a fundamental failure in secure key management practices and violates industry best practices for cryptographic security.
The operational impact of this vulnerability is severe and multifaceted, as it allows attackers to achieve full system compromise and persistent access to network infrastructure. Once an attacker obtains the hardcoded SSH private key, they can establish connections to the target system with elevated privileges, potentially leading to complete system takeover, data exfiltration, and further network infiltration. The vulnerability affects the integrity and confidentiality of the entire Unified Communications Domain Manager platform, as it provides unauthorized access to administrative functions that control user management, system configuration, and network access policies. Organizations using affected software versions face significant risk of unauthorized access, potential data breaches, and disruption of critical communication services. The vulnerability also impacts the availability of services by potentially allowing attackers to disable or modify system configurations, leading to service degradation or complete outages. This type of vulnerability is particularly dangerous in enterprise environments where unified communications systems serve as critical infrastructure components.
Mitigation strategies for CVE-2014-2198 should prioritize immediate software updates to version 4.4.2 or later, which contains the necessary patches to address the hardcoded key issue. Organizations should also implement network segmentation to limit access to affected systems and conduct thorough inventory audits to identify all instances of the vulnerable software. Security teams should monitor network traffic for suspicious SSH connections and implement intrusion detection systems to identify potential exploitation attempts. Additional protective measures include disabling unnecessary SSH services, implementing strict access controls, and conducting regular security assessments of system components. The vulnerability highlights the importance of secure software development practices and proper key management procedures, emphasizing the need for organizations to adopt comprehensive security frameworks that prevent similar issues from occurring in the future. Regular security training for developers on secure coding practices and cryptographic implementation guidelines is essential to prevent recurrence of such vulnerabilities in future software releases.