CVE-2004-0290 in Purge Jihad
Summary
by MITRE
Buffer overflow in Purge Jihad 2.0.1 and earlier allows remote game servers to execute arbitrary code via an information packet that contains large (1) battle type and (2) map name fields.
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Analysis
by VulDB Data Team • 01/20/2025
The vulnerability described in CVE-2004-0290 represents a critical buffer overflow flaw affecting Purge Jihad 2.0.1 and earlier versions of the game server software. This issue manifests within the game server's packet processing mechanism where information packets containing excessively long battle type and map name fields trigger memory corruption conditions. The buffer overflow occurs when the server fails to properly validate input lengths before copying data into fixed-size memory buffers, creating opportunities for malicious actors to overwrite adjacent memory locations. Such vulnerabilities are particularly dangerous in networked gaming environments where remote execution of arbitrary code can lead to complete system compromise. The flaw specifically targets the game server's handling of user-provided data within network communications, making it a prime target for exploitation in distributed gaming scenarios.
The technical implementation of this vulnerability aligns with CWE-121, which categorizes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The flaw operates through the standard buffer overflow exploitation technique where oversized input data exceeds allocated buffer capacity, causing data to spill into adjacent memory regions. In the context of Purge Jihad's server implementation, the battle type and map name fields serve as primary attack vectors because these fields are likely processed through string copy operations without adequate length validation. The remote nature of the vulnerability means that attackers can exploit this condition from outside the network without requiring local access, making it particularly severe for online gaming infrastructure. Attackers can craft specially formatted information packets that contain malicious payloads designed to overwrite return addresses or function pointers within the server's memory space.
The operational impact of this vulnerability extends beyond simple code execution capabilities to encompass complete system compromise of affected game servers. Successful exploitation can enable attackers to gain unauthorized control over server operations, allowing them to manipulate game state, steal player data, or use the compromised server as a launch point for further attacks against other networked systems. The gaming environment becomes vulnerable to persistent threats where attackers can maintain long-term access to compromised servers, potentially using them for botnet operations or other malicious activities. From an attacker perspective, this vulnerability fits within the ATT&CK framework under the T1059 technique for command and scripting interpreter, as the executed code can be used to establish persistent access and maintain control over the compromised system. The remote code execution capability also supports lateral movement tactics as compromised servers can be used to attack other systems within the same network infrastructure.
Mitigation strategies for CVE-2004-0290 require immediate implementation of input validation measures and software updates to address the buffer overflow condition. Organizations should implement strict bounds checking on all user-provided data fields, particularly those used in network communication protocols. The recommended approach involves updating Purge Jihad to versions that include proper input validation and memory management practices that prevent buffer overflows from occurring. Network segmentation and access controls should be implemented to limit exposure of vulnerable game servers to untrusted networks. Additionally, implementing intrusion detection systems that monitor for unusual packet patterns and malformed information packets can help identify exploitation attempts before successful compromise occurs. Regular security audits and penetration testing of gaming infrastructure should be conducted to identify similar vulnerabilities in other networked applications. The fix should address the core memory management issue by ensuring that all input fields are properly validated before processing, preventing the overflow condition from ever occurring in the first place.