CVE-2008-3492 in America's Army
Summary
by MITRE
America s Army (aka AA or Army Game Project) 2.8.3.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted UDP packet, probably involving a VoiceIndex value that is outside of the range specified by VOICE_MAX_CHATTERS.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 11/20/2017
The vulnerability identified as CVE-2008-3492 affects America's Army, a military-themed first-person shooter game developed by the United States Army. This issue represents a critical denial of service vulnerability that can be exploited by remote attackers to disrupt game services. The affected versions include all iterations up to and including 2.8.3.1, making it a widespread concern for game servers and network infrastructure supporting this particular gaming platform.
The technical flaw manifests through improper validation of UDP packet parameters, specifically targeting the VoiceIndex value within voice chatter functionality. When an attacker crafts a malicious UDP packet containing a VoiceIndex value that exceeds the legitimate VOICE_MAX_CHATTERS range, the application fails to handle this condition gracefully. This results in an assertion failure within the application code, causing the daemon process to terminate unexpectedly and effectively taking the game service offline.
This vulnerability operates at the network protocol level, leveraging the User Datagram Protocol which is commonly used for real-time communication in gaming applications. The attack vector requires only network access to send malformed packets, making it particularly dangerous as it can be executed from anywhere on the internet without requiring authentication or privileged access. The assertion failure represents a fundamental breakdown in input validation, where the software does not properly check boundary conditions before processing voice-related data.
The operational impact of this vulnerability extends beyond simple service disruption, as it can potentially affect entire gaming sessions and multiplayer experiences. Game servers running affected versions become vulnerable to coordinated denial of service attacks that can render them unusable for legitimate players. This type of vulnerability particularly impacts online gaming communities where server stability and availability are crucial for maintaining player engagement and game experience quality.
From a cybersecurity perspective, this vulnerability aligns with CWE-129, which addresses improper validation of input boundaries, and demonstrates poor defensive programming practices. The issue also maps to attack techniques described in the MITRE ATT&CK framework under the 'Resource Exhaustion' and 'Denial of Service' categories, where attackers leverage application flaws to consume system resources or cause process termination. The vulnerability represents a classic example of how insufficient input validation can lead to critical system instability.
Mitigation strategies should focus on implementing proper input validation mechanisms that check VoiceIndex values against predefined ranges before processing. Network administrators should consider implementing firewall rules to filter suspicious UDP traffic or deploy intrusion detection systems that can identify and block malformed packets targeting this specific vulnerability. Additionally, applying the vendor-supplied patches and updates to upgrade to versions beyond 2.8.3.1 will eliminate this vulnerability. Regular security assessments of gaming infrastructure and network monitoring for unusual traffic patterns can help detect exploitation attempts and prevent service disruption.