CVE-2000-0988 in WinU
Summary
by MITRE
WinU 1.0 through 5.1 has a backdoor password that allows remote attackers to gain access to its administrative interface and modify configuration.
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Analysis
by VulDB Data Team • 05/28/2018
The vulnerability identified as CVE-2000-0988 represents a critical security flaw in WinU software versions 1.0 through 5.1 that exposes a backdoor mechanism allowing unauthorized remote access to administrative interfaces. This backdoor functionality was implemented with a hardcoded password that bypasses normal authentication procedures, creating an inherent security risk that persists across multiple versions of the software. The flaw directly violates fundamental security principles by providing an undocumented access path that adversaries can exploit without proper authorization.
This vulnerability manifests as a hardcoded authentication mechanism within the WinU software that contains a predetermined password value enabling administrative access. The technical implementation appears to involve a simple password check routine that validates against a fixed string rather than implementing proper authentication protocols. The backdoor operates at the application layer and provides full administrative privileges including configuration modification capabilities, making it particularly dangerous for systems where this software is deployed. This type of flaw is classified under CWE-259 as a "Use of Hard-coded Password" and represents a classic example of insecure coding practices that have been documented in numerous security frameworks and vulnerability assessments.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with complete control over system configuration parameters and administrative functions. Remote attackers can leverage this backdoor to modify system settings, potentially leading to data compromise, service disruption, or further exploitation of the compromised environment. The vulnerability's persistence across multiple versions indicates that the software developers failed to properly address the issue during updates, leaving organizations exposed to potential compromise for extended periods. This creates significant risk for organizations that may have deployed legacy versions of WinU software without proper security assessments.
Organizations affected by this vulnerability should immediately implement mitigations including software updates or patches provided by the vendor, network segmentation to isolate affected systems, and comprehensive security audits to identify any potential compromise. The backdoor password should be changed immediately if discovered in the system configuration, and access controls should be reviewed to ensure that only authorized personnel can access administrative interfaces. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and credential access, demonstrating how hardcoded credentials can be exploited to maintain persistent access to systems. Additionally, the flaw exemplifies the importance of secure software development practices and proper input validation as outlined in various security standards including those from NIST and ISO 27001, which emphasize the need for robust authentication mechanisms and the elimination of hard-coded secrets in software applications.