CVE-2011-0756 in WebDefend
Summary
by MITRE
The application server in Trustwave WebDefend Enterprise before 5.0 uses hardcoded console credentials, which makes it easier for remote attackers to read security-event data by using the remote console GUI to connect to the management port.
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Analysis
by VulDB Data Team • 02/09/2019
The vulnerability identified as CVE-2011-0756 represents a critical security flaw in the Trustwave WebDefend Enterprise application server software prior to version 5.0. This issue stems from the improper implementation of authentication mechanisms where hardcoded credentials are embedded within the application code itself. Such a design flaw fundamentally undermines the security posture of the system by creating a persistent backdoor that remains accessible regardless of standard security configurations or user authentication processes. The vulnerability specifically affects the remote console GUI functionality that connects to the management port, establishing a direct pathway for unauthorized access to sensitive security-event data.
The technical implementation of this flaw involves the inclusion of fixed username and password combinations within the application binaries or configuration files, typically stored in plain text or easily reversible formats. When the application server initializes and attempts to establish connections to the management port, these hardcoded credentials are automatically utilized without requiring any additional authentication steps from legitimate users. This approach violates fundamental security principles and creates a scenario where any remote attacker who can establish network connectivity to the management port can gain immediate access to the system's console interface. The vulnerability is particularly concerning because it operates at the application level and does not require complex exploitation techniques or privilege escalation methods to achieve unauthorized access.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass significant data exposure and potential system compromise. Remote attackers can leverage these hardcoded credentials to read security-event data, which may include sensitive information about network activities, intrusion attempts, and system vulnerabilities that have been detected by the WebDefend Enterprise solution. This exposure creates a substantial risk for organizations relying on the system for security monitoring, as attackers can potentially identify weaknesses in the network infrastructure, understand security event patterns, and develop targeted attack strategies based on the information obtained. The ability to access security-event data through the remote console GUI also enables attackers to potentially manipulate system configurations, disable security features, or establish persistent access points within the network environment.
From a cybersecurity framework perspective, this vulnerability maps directly to CWE-798, which specifically addresses the use of hardcoded credentials in software applications, and aligns with ATT&CK technique T1078.004 related to valid accounts and credential access. The flaw represents a classic example of poor security hardening practices where developers prioritize convenience over security, creating persistent access vectors that remain viable across system updates and security patches. Organizations implementing Trustwave WebDefend Enterprise software before version 5.0 face significant exposure risks, as the hardcoded credentials provide attackers with a consistent and reliable method for gaining administrative access to the security monitoring infrastructure. This vulnerability demonstrates the critical importance of proper credential management and the necessity of implementing dynamic authentication mechanisms rather than relying on static credentials embedded within application code.
The recommended mitigations for this vulnerability involve immediate upgrading to Trustwave WebDefend Enterprise version 5.0 or later, which addresses the hardcoded credential issue through proper implementation of dynamic authentication mechanisms. Organizations should also implement network segmentation to restrict access to the management port, deploy intrusion detection systems to monitor for unauthorized access attempts, and conduct comprehensive security assessments to identify any potential exploitation that may have already occurred. Additionally, security teams should establish strict access controls and monitoring procedures for all management interfaces, ensuring that any unauthorized access attempts are immediately detected and investigated. The remediation process must include thorough credential rotation and verification of all authentication mechanisms to prevent similar issues from arising in other components of the security infrastructure.