CVE-2006-0181 in CS-MARS
Summary
by MITRE
Cisco Security Monitoring, Analysis and Response System (CS-MARS) before 4.1.3 has an undocumented administrative account with a default password, which allows local users to gain privileges via the expert command.
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Analysis
by VulDB Data Team • 07/17/2018
The Cisco Security Monitoring, Analysis and Response System CS-MARS represents a critical security vulnerability identified as CVE-2006-0181, which affects versions prior to 4.1.3 of this network security monitoring platform. This vulnerability resides within the authentication mechanisms of the system, specifically exploiting a design flaw that creates an unintended administrative access point. The flaw manifests as an undocumented administrative account that ships with a hardcoded default password, creating a persistent backdoor access vector that bypasses normal authentication procedures. This vulnerability falls under the CWE-798 category of using hardcoded credentials, which represents one of the most fundamental and dangerous security misconfigurations in software systems. The existence of such an account without proper documentation or disclosure creates a significant risk posture for organizations deploying this security monitoring solution.
The technical exploitation of this vulnerability occurs through the expert command interface of the CS-MARS system, where local users can leverage the default credentials to escalate their privileges and gain administrative access to the platform. This privilege escalation mechanism allows attackers to bypass the standard authentication controls that should protect sensitive system functions and configuration changes. The expert command typically provides access to advanced system management features that are normally restricted to authorized administrators, making this vulnerability particularly dangerous as it enables full system compromise. The local user requirement suggests that physical or network access to the system is necessary, but once achieved, the attack can result in complete system takeover without requiring additional authentication factors or complex attack vectors.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it fundamentally undermines the security posture of organizations relying on CS-MARS for network monitoring and threat detection. Attackers who successfully exploit this vulnerability can access all security logs, modify monitoring rules, alter alert configurations, and potentially manipulate the system to hide malicious activities or disable security controls. This compromise directly violates the principle of least privilege and can lead to complete loss of security monitoring capabilities, as the attacker gains the ability to modify or delete security events and logs that are critical for forensic analysis. The vulnerability creates a situation where the very system designed to detect and respond to security threats becomes a potential vector for attackers to gain unauthorized access and maintain persistence within the network environment.
Organizations should implement immediate mitigations including updating to CS-MARS version 4.1.3 or later, which addresses this vulnerability through proper credential management and removal of the undocumented administrative account. Network segmentation and access controls should be implemented to limit local system access, while regular security audits should verify that no unauthorized administrative accounts exist. The vulnerability demonstrates the importance of proper credential lifecycle management and the dangers of hardcoded credentials in security systems. Security monitoring should include detection of unauthorized administrative access attempts and changes to system configuration files that might indicate exploitation of this vulnerability. This case represents a classic example of how poor configuration management and inadequate credential handling can create persistent security risks that undermine the effectiveness of security infrastructure. The vulnerability also highlights the need for regular security assessments of security tools themselves, as these platforms often contain their own authentication mechanisms that can become attack surfaces if not properly secured.