CVE-2004-2034 in WebDriver
Summary
by MITRE
Buffer overflow in the (1) WTHoster and (2) WebDriver modules in WildTangent Web Driver 4.0 allows remote attackers to execute arbitrary code via a long filename.
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Analysis
by VulDB Data Team • 05/22/2019
The vulnerability identified as CVE-2004-2034 represents a critical buffer overflow flaw affecting the WTHoster and WebDriver modules within WildTangent Web Driver version 4.0. This security weakness stems from inadequate input validation mechanisms that fail to properly handle excessively long filename strings. The flaw exists at the boundary between user-supplied data and the application's internal buffer management systems, creating an exploitable condition where malicious actors can manipulate memory layout through crafted input sequences. The vulnerability manifests when the system processes filenames that exceed predetermined buffer limits, leading to memory corruption that can be leveraged for privilege escalation and arbitrary code execution. The affected modules operate at a foundational level within the web driver architecture, making the impact particularly severe as they handle core file system operations and network communications.
The technical implementation of this buffer overflow vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows data to overwrite adjacent memory locations. The flaw occurs in the filename processing pipeline where the system fails to validate the length of incoming file names before copying them into fixed-size buffers. This vulnerability operates under the principle that user-controllable input is directly copied without proper size verification, enabling attackers to overwrite return addresses, function pointers, or other critical control data structures within the program's memory space. The specific nature of the attack vector involves sending maliciously crafted filenames that exceed buffer capacity, causing the overflow to overwrite adjacent memory segments and potentially redirect program execution flow to attacker-controlled code.
The operational impact of CVE-2004-2034 extends beyond simple code execution to encompass complete system compromise and unauthorized access to sensitive data. Remote attackers can leverage this vulnerability to gain elevated privileges, establish persistent backdoors, or deploy additional malware payloads within the compromised environment. The vulnerability affects systems running WildTangent Web Driver 4.0 across multiple operating environments, with particular risk to web servers and networked applications that rely on the affected modules for file handling operations. Security implications include potential data breaches, service disruption, and unauthorized access to confidential information stored or processed through the vulnerable system components. The remote exploitability of this flaw means that attackers do not require physical access or local privileges to execute successful attacks, making the vulnerability particularly dangerous for publicly accessible systems.
Mitigation strategies for CVE-2004-2034 should prioritize immediate patch deployment from WildTangent or vendor-specific security updates that address the buffer overflow conditions in both WTHoster and WebDriver modules. System administrators must implement input validation controls that enforce strict filename length limits and sanitize all user-supplied data before processing. Network segmentation and firewall rules should restrict access to vulnerable systems and limit potential attack surface exposure. Additionally, implementing intrusion detection systems and monitoring for anomalous file operations can help identify exploitation attempts. The vulnerability demonstrates the importance of proper buffer management and input validation practices that align with secure coding standards and principles outlined in the software security development lifecycle. Organizations should conduct comprehensive vulnerability assessments to identify other potentially affected systems and ensure that all networked applications maintain proper bounds checking mechanisms to prevent similar buffer overflow conditions from occurring in the future.