CVE-2009-3966 in Arcade Trade Script
Summary
by MITRE
Arcade Trade Script 1.0 allows remote attackers to bypass authentication and gain administrative access by setting the adminLoggedIn cookie to true.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability described in CVE-2009-3966 represents a critical authentication bypass flaw in Arcade Trade Script version 1.0 that fundamentally undermines the security posture of the affected web application. This issue stems from a poorly implemented session management mechanism that fails to properly validate administrative privileges, creating a pathway for unauthorized users to escalate their access rights without legitimate credentials. The vulnerability specifically targets the application's administrative interface where the security controls are insufficient to prevent manipulation of session state variables.
The technical flaw manifests through the manipulation of a single cookie value known as adminLoggedIn which serves as a session token indicating administrative status within the application. When an attacker sets this cookie value to true, the application incorrectly assumes that the user possesses administrative privileges and grants full access to the administrative control panel. This represents a classic case of insecure direct object reference vulnerability where the application relies on client-side state information without proper server-side validation. The flaw operates under CWE-285 which specifically addresses insufficient authorization checks and demonstrates how improper session management can lead to privilege escalation.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it provides attackers with complete administrative control over the Arcade Trade Script application. Once authenticated as an administrator, attackers can manipulate game configurations, modify user accounts, access sensitive data, and potentially compromise the entire web application infrastructure. This vulnerability creates a persistent backdoor that remains active until the cookie value is manually cleared or the application is patched, making it particularly dangerous for long-running web applications. The ease of exploitation, requiring only a simple cookie modification, means that even novice attackers can leverage this vulnerability effectively.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1548.001 which covers privilege escalation through abuse of credentials. The attack vector represents a server-side vulnerability that can be exploited remotely without requiring any specialized tools or deep technical knowledge. Organizations running Arcade Trade Script 1.0 are particularly vulnerable as the application likely lacks proper input validation, session management, and privilege verification mechanisms. The vulnerability also demonstrates poor defense-in-depth practices where multiple security controls fail to properly validate user authorization status, creating a single point of failure that compromises the entire security architecture.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The most effective immediate solution involves implementing proper server-side session validation that does not rely on client-provided cookie values for administrative access decisions. Applications should implement robust session management with server-side token validation, proper privilege checking mechanisms, and secure authentication flows. Additionally, organizations should implement proper input sanitization, cookie security attributes such as HttpOnly and Secure flags, and regular security auditing of session management components. The vulnerability highlights the importance of following secure coding practices and implementing proper access control mechanisms that do not depend on client-side state manipulation for critical security functions.