CVE-2004-1619 in Privateers Bounty: Age Of Sail II
Summary
by MITRE
Buffer overflow in Privateer s Bounty: Age of Sail II allows remote attackers to execute arbitrary code via a long nickname.
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Analysis
by VulDB Data Team • 07/06/2025
The vulnerability identified as CVE-2004-1619 represents a critical buffer overflow flaw discovered in Privateer s Bounty: Age of Sail II, a multiplayer naval combat game released in 2004. This issue specifically affects the game s network communication protocol where player nicknames are processed during multiplayer sessions. The buffer overflow occurs when the game client or server receives a nickname string that exceeds the allocated buffer size, causing memory corruption that can be exploited by malicious actors. The vulnerability is classified as a remote code execution flaw because attackers can leverage this weakness from outside the local network to compromise systems running the vulnerable game software. This type of vulnerability falls under CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of improper input validation in networked applications.
The technical exploitation of this vulnerability requires attackers to craft a specially formatted nickname string that exceeds the predetermined buffer limits within the game s networking code. When the vulnerable application processes this oversized nickname, it overwrites adjacent memory locations, potentially allowing an attacker to inject and execute arbitrary machine code. The attack vector is particularly concerning because it operates over network connections, making it accessible to remote adversaries without requiring physical access to target systems. The memory corruption typically manifests through stack smashing or heap corruption techniques, where the attacker can manipulate return addresses or function pointers to redirect program execution flow. This vulnerability demonstrates poor defensive programming practices and inadequate bounds checking mechanisms in the game s networking implementation.
The operational impact of CVE-2004-1619 extends beyond simple code execution, as it can enable complete system compromise when exploited successfully. Attackers who gain remote code execution capabilities through this vulnerability can potentially install backdoors, steal sensitive information, or use compromised systems as launch points for further attacks within networked environments. The vulnerability affects all versions of Privateer s Bounty: Age of Sail II that implement the networked multiplayer functionality, making it particularly dangerous in online gaming communities where players frequently connect to public servers. Organizations and individuals running these games on networked systems face significant security risks, especially in environments where gaming servers are accessible to untrusted users. The vulnerability also demonstrates the broader security challenges inherent in legacy gaming software where security considerations were not prioritized during initial development phases.
Mitigation strategies for CVE-2004-1619 should focus on immediate defensive measures including network segmentation to isolate gaming servers from critical infrastructure, implementing firewall rules to restrict access to gaming ports, and applying any available patches or updates from the software vendor. System administrators should consider disabling multiplayer functionality entirely if it is not essential for operations, as this removes the attack surface entirely. Network monitoring solutions should be configured to detect anomalous nickname lengths or unusual network traffic patterns that might indicate exploitation attempts. The vulnerability highlights the importance of input validation and bounds checking in all networked applications, aligning with ATT&CK technique T1059.007 for command and scripting interpreter execution. Organizations should also implement regular security assessments of legacy applications and consider migrating to more secure, modern gaming platforms that incorporate proper memory safety mechanisms and robust input sanitization protocols.