CVE-2002-2058 in Tracking Online
Summary
by MITRE
TeeKai Tracking Online 1.0 uses weak encryption of web usage statistics in data/userlog/log.txt, which allows remote attackers to identify IP s visiting the site by dividing each octet by the MD5 hash of 20 .
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/30/2025
The vulnerability described in CVE-2002-2058 represents a critical cryptographic weakness in the TeeKai Tracking Online 1.0 web analytics system. This flaw stems from the implementation of weak encryption mechanisms within the application's data handling processes, specifically affecting how web usage statistics are stored in the data/userlog/log.txt file. The system's approach to protecting sensitive information through flawed cryptographic methods creates a significant security risk that can be exploited by remote attackers to compromise user privacy and system integrity. The vulnerability directly impacts the confidentiality of web traffic data and represents a failure in proper cryptographic implementation that violates fundamental security principles.
The technical flaw manifests through the application's use of MD5 hashing combined with octet division operations to obscure IP address information within the log files. This approach demonstrates a fundamental misunderstanding of cryptographic security requirements and proper data protection methodologies. The weak encryption scheme allows attackers to reverse-engineer the original IP addresses by leveraging the predictable mathematical relationships between the octets and the MD5 hash values. This type of vulnerability falls under the category of cryptographic weakness and improper encryption implementation as classified by CWE-327, which specifically addresses the use of weak or broken cryptographic algorithms. The vulnerability also aligns with ATT&CK technique T1566, which covers credential access through the exploitation of weak cryptographic implementations.
The operational impact of this vulnerability extends beyond simple privacy concerns to encompass potential reconnaissance activities and targeted attacks against the web infrastructure. Remote attackers can utilize this weakness to build detailed profiles of website visitors, potentially enabling more sophisticated attacks such as targeted phishing campaigns or network reconnaissance. The exposure of visitor IP addresses creates opportunities for attackers to map network topology, identify system vulnerabilities, and plan more effective attack vectors. This weakness undermines the trust model of web analytics systems and demonstrates the critical importance of proper cryptographic implementation in security-sensitive applications. The vulnerability also represents a failure in data protection practices and could lead to regulatory compliance issues under various privacy frameworks.
Mitigation strategies for this vulnerability require immediate implementation of stronger cryptographic measures within the TeeKai Tracking Online system. Organizations should replace the existing weak encryption mechanism with robust cryptographic algorithms such as AES-256 for data protection, ensuring that proper key management practices are implemented. The system should be updated to use industry-standard encryption protocols that cannot be easily reverse-engineered through mathematical analysis. Additionally, proper access controls should be implemented to restrict access to the log files, and regular security audits should be conducted to identify similar cryptographic weaknesses. The implementation of these measures addresses the underlying CWE-327 vulnerability while providing comprehensive protection against the specific attack vector described in CVE-2002-2058. Organizations should also consider implementing network monitoring solutions to detect and prevent exploitation attempts targeting this specific vulnerability.