CVE-2002-0449 in Web+ Server
Summary
by MITRE
Buffer overflow in webpsvc.exe for Talentsoft Web+ 5.0 and earlier allows remote attackers execute arbitrary code via a long argument to webplus.exe program, which triggers the overflow in webpsvc.exe.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 09/17/2025
The vulnerability described in CVE-2002-0449 represents a classic buffer overflow condition that affects the Talentsoft Web+ 5.0 and earlier versions of the webpsvc.exe service component. This flaw exists within the webplus.exe program which serves as the primary interface for handling web requests and processing user input. The vulnerability specifically manifests when the webplus.exe program receives a lengthy argument that gets passed to the webpsvc.exe service, creating an exploitable condition that can be leveraged by remote attackers to gain unauthorized code execution privileges on the affected system. The buffer overflow occurs due to insufficient bounds checking in the argument processing logic, allowing malicious input to overwrite adjacent memory locations beyond the intended buffer boundaries.
From a technical perspective, this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient validation of input length allows attackers to overwrite stack memory. The attack vector is particularly dangerous as it operates over remote network connections, enabling exploitation without requiring local system access. The flaw demonstrates characteristics consistent with the ATT&CK framework's execution tactic, specifically targeting the system through command execution capabilities. The webpsvc.exe service acts as a critical processing component that handles web requests from clients, making it an attractive target for attackers seeking to establish persistent access or escalate privileges within the web server environment.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with potential access to sensitive data, system resources, and the ability to establish backdoors or maintain persistent presence on the compromised system. Remote code execution capabilities enable attackers to perform reconnaissance activities, deploy additional malware, or manipulate web content to serve malicious purposes. The vulnerability affects systems running Talentsoft Web+ 5.0 or earlier versions, which were commonly deployed in enterprise web server environments during the early 2000s, making organizations with outdated web server implementations particularly susceptible to exploitation. This type of vulnerability represents a critical security risk for web applications as it allows attackers to bypass authentication mechanisms and directly execute malicious code within the context of the web service process.
Mitigation strategies for CVE-2002-0449 should prioritize immediate patching of affected systems with the vendor-provided security updates, as this vulnerability was addressed through proper buffer size validation and input sanitization measures. Organizations should implement network segmentation to limit access to vulnerable web services, deploy intrusion detection systems to monitor for exploitation attempts, and apply proper input validation at multiple layers of the application architecture. Additionally, security administrators should consider implementing application whitelisting policies and monitoring for unusual argument patterns that might indicate attempted exploitation. The vulnerability serves as a historical example of why proper software development practices, including input validation and memory management, are critical components of secure application design and why regular security assessments are essential for maintaining robust defenses against buffer overflow exploits.