CVE-2000-0011 in SimpleServer:WWW
Summary
by MITRE
Buffer overflow in AnalogX SimpleServer:WWW HTTP server allows remote attackers to execute commands via a long GET request.
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Analysis
by VulDB Data Team • 10/20/2025
The vulnerability identified as CVE-2000-0011 represents a critical buffer overflow flaw within the AnalogX SimpleServer:WWW HTTP server implementation. This type of vulnerability falls under the common weakness enumeration CWE-121, which specifically addresses buffer overflow conditions that occur when insufficient bounds checking is performed on data buffers. The flaw manifests in the server's handling of HTTP GET requests, where the application fails to properly validate the length of incoming data before processing it within fixed-size memory buffers. This oversight creates an exploitable condition that allows remote attackers to manipulate the server's memory layout through carefully crafted malicious input.
The technical exploitation of this vulnerability occurs when an attacker sends a specially constructed GET request containing an excessive amount of data to the affected HTTP server. The server's web application processes this request without adequate input validation, causing the buffer to overflow and overwrite adjacent memory locations. This memory corruption can potentially be leveraged to execute arbitrary code with the privileges of the web server process, which typically runs with elevated system permissions. The attack vector is particularly dangerous because it requires no authentication and can be executed remotely over the network, making it an attractive target for automated exploitation tools.
The operational impact of CVE-2000-0011 extends beyond simple denial of service conditions, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive data. The vulnerability affects organizations running the AnalogX SimpleServer:WWW software, which was commonly deployed for small business and personal web serving applications. This makes the attack surface particularly broad, as many small organizations may not have robust security monitoring in place to detect exploitation attempts. The vulnerability also represents a classic example of the attack pattern described in the MITRE ATT&CK framework under T1203, which involves the exploitation of software vulnerabilities to gain code execution capabilities.
Mitigation strategies for this vulnerability should prioritize immediate patching of the AnalogX SimpleServer software to address the buffer overflow condition. Organizations should also implement network-based protections such as intrusion detection systems and web application firewalls to monitor for suspicious GET request patterns that may indicate exploitation attempts. Additionally, network segmentation and access controls should be enforced to limit the potential impact of successful exploitation. The vulnerability demonstrates the importance of proper input validation and bounds checking in network services, aligning with security best practices outlined in various industry standards including the OWASP Top Ten and NIST cybersecurity frameworks. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other network services that may be susceptible to buffer overflow attacks.