CVE-2002-0595 in Reporting Center
Summary
by MITRE
Buffer overflow in WTRS_UI.EXE (WTX_REMOTE.DLL) for WebTrends Reporting Center 4.0d allows remote attackers to execute arbitrary code via a long HTTP GET request to the /reports/ directory.
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Analysis
by VulDB Data Team • 09/15/2025
The vulnerability described in CVE-2002-0595 represents a critical buffer overflow flaw within the WebTrends Reporting Center 4.0d software, specifically within the WTRS_UI.EXE component that utilizes WTX_REMOTE.DLL for remote operations. This vulnerability exists in the web server component that handles HTTP requests, making it particularly dangerous as it can be exploited remotely without requiring authentication or physical access to the system. The flaw manifests when the application processes HTTP GET requests directed to the /reports/ directory, where an attacker can craft malicious input that exceeds the allocated buffer space, leading to memory corruption and potential code execution.
The technical implementation of this buffer overflow occurs through improper input validation within the WTX_REMOTE.DLL library, which is responsible for handling remote communication and report generation functions. When a specially crafted HTTP GET request containing an excessively long parameter or path is sent to the /reports/ directory endpoint, the application fails to properly bounds-check the input data before copying it into a fixed-size buffer. This classic buffer overflow vulnerability falls under CWE-121, which describes stack-based buffer overflow conditions, and more specifically aligns with CWE-787, which addresses out-of-bounds writes that can occur when input data exceeds the bounds of allocated memory regions. The vulnerability enables attackers to overwrite adjacent memory locations, potentially allowing them to inject and execute arbitrary code with the privileges of the affected service account.
The operational impact of this vulnerability extends beyond simple code execution, as it can lead to complete system compromise and unauthorized access to sensitive data within the WebTrends Reporting Center environment. Attackers can leverage this vulnerability to gain remote control over the affected system, potentially accessing confidential reports, user data, or other sensitive information processed by the reporting center. The attack surface is particularly concerning given that the vulnerability can be exploited through standard web protocols without requiring specialized tools or deep system knowledge. This makes the vulnerability highly attractive to automated attack tools and increases the likelihood of widespread exploitation across systems running vulnerable versions of WebTrends Reporting Center 4.0d. The vulnerability also aligns with ATT&CK technique T1203, which covers exploitation for execution through web application vulnerabilities, and demonstrates how legacy web server implementations can contain critical security flaws that persist for years without proper patching.
Mitigation strategies for this vulnerability should prioritize immediate patch deployment from WebTrends, as the vendor likely released a security update addressing the buffer overflow condition. Organizations should implement network-level protections including firewall rules that restrict access to the /reports/ directory and monitor for suspicious HTTP GET requests containing unusually long parameters. Additionally, input validation should be strengthened at multiple layers of the application architecture to prevent malformed requests from reaching the vulnerable components. Security monitoring should include detection of anomalous patterns in web server logs that might indicate exploitation attempts, such as unusually long URL parameters or repeated access attempts to the vulnerable endpoint. System administrators should also consider implementing application whitelisting policies and reducing the attack surface by disabling unnecessary web server features or directories that might expose similar vulnerabilities. The vulnerability serves as a reminder of the importance of regular security assessments and prompt patch management, particularly for legacy web applications that may contain unpatched buffer overflow vulnerabilities.