CVE-2010-3439 in alien-arena
Summary
by MITRE
It is possible to cause a DoS condition by causing the server to crash in alien-arena 7.33 by supplying various invalid parameters to the download command.
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Analysis
by VulDB Data Team • 02/11/2024
The vulnerability identified as CVE-2010-3439 represents a denial of service flaw within the alien-arena 7.33 game server software. This issue stems from inadequate input validation mechanisms that fail to properly handle malformed or unexpected parameters submitted to the download command functionality. The affected system operates on a client-server architecture where the server processes requests from clients to download game resources or data files. When malicious or malformed parameters are supplied to the download command, the server processes these inputs without sufficient sanitization or bounds checking, leading to a critical failure state that results in complete server crash and unavailability of service.
The technical root cause of this vulnerability aligns with CWE-121, which describes buffer overflow conditions that occur when insufficient bounds checking is performed on data structures. In this specific case, the server's download command handler likely employs fixed-size buffers or inadequate parameter validation routines that cannot accommodate unexpected input formats. The flaw manifests when attackers submit specially crafted invalid parameters that either exceed buffer limits or trigger unexpected execution paths within the server's processing logic. This vulnerability operates at the application layer and affects the server's ability to maintain continuous operation, effectively preventing legitimate users from accessing game resources or downloading required files.
From an operational impact perspective, this vulnerability creates a significant risk to game server availability and user experience. The denial of service condition renders the entire alien-arena 7.33 server unusable until manual intervention or system restart occurs, potentially disrupting multiplayer gaming sessions and causing service interruptions for all connected clients. The attack vector is relatively simple to execute as it requires only the ability to send malformed requests to the server's download command interface, making it accessible to attackers with minimal technical expertise. This vulnerability directly impacts the availability aspect of the CIA triad and can be classified under the ATT&CK technique T1499.100, which describes network denial of service attacks targeting server availability.
Mitigation strategies for CVE-2010-3439 should focus on implementing robust input validation mechanisms and parameter sanitization within the server's download command processing logic. System administrators should deploy proper bounds checking and data validation routines that enforce strict parameter format requirements before processing any download requests. The implementation of defensive programming practices including input length limits, character set validation, and proper error handling can prevent the exploitation of this vulnerability. Additionally, network-level protections such as rate limiting and connection filtering can help reduce the impact of potential attacks. Regular security updates and patches should be applied to ensure that the server software maintains current protection against known vulnerabilities. Organizations should also implement monitoring solutions to detect unusual patterns of download command usage that might indicate attempted exploitation of this vulnerability. The remediation approach should follow security best practices outlined in industry standards such as the OWASP Top Ten and NIST guidelines for secure coding practices to prevent similar vulnerabilities from occurring in future implementations.