CVE-2008-7028 in Rpg Board
Summary
by MITRE
RPG.Board 0.8 Beta2 and earlier allows remote attackers to bypass authentication and gain privileges by setting the keep4u cookie to a certain value.
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Analysis
by VulDB Data Team • 11/05/2024
The vulnerability identified as CVE-2008-7028 affects RPG.Board version 0.8 Beta2 and earlier, representing a critical authentication bypass flaw that undermines the security posture of the application. This issue stems from improper handling of session management mechanisms within the web application, specifically targeting the keep4u cookie parameter that is utilized for maintaining user sessions. The vulnerability allows remote attackers to manipulate session tokens and gain unauthorized administrative privileges without proper authentication, creating a significant security risk for systems utilizing this software.
The technical exploitation of this vulnerability occurs through manipulation of the keep4u cookie value, which serves as a session identifier within the RPG.Board application. When an attacker sets this cookie to a predetermined value, the application fails to properly validate the session state, allowing unauthorized access to administrative functions. This flaw represents a classic session management vulnerability that can be categorized under CWE-613, which deals with insufficient session expiration and improper session handling. The vulnerability exists due to inadequate input validation and insufficient security checks during the authentication process, where the application trusts the cookie value without proper verification mechanisms.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to perform administrative actions within the RPG.Board system. This includes but is not limited to user account management, content modification, data deletion, and potentially system-wide configuration changes. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system, making it particularly dangerous for web applications. Attackers can leverage this vulnerability to establish persistent access, conduct data breaches, or use the compromised system as a foothold for further attacks within the network infrastructure. This represents a significant concern for organizations relying on RPG.Board for community or forum functionality.
Mitigation strategies for CVE-2008-7028 should focus on immediate patching of the affected software to version 0.8 Beta3 or later, where the authentication bypass vulnerability has been addressed. Organizations should implement proper input validation for all cookie parameters and enforce robust session management practices that include secure session token generation, proper session expiration mechanisms, and regular session validation checks. Network security controls such as web application firewalls should be configured to monitor and block suspicious cookie manipulation attempts. Additionally, security monitoring should be enhanced to detect unusual authentication patterns and session management anomalies. The vulnerability aligns with ATT&CK technique T1548.003, which covers abuse of group privileges, and represents a clear example of how insufficient session management can lead to privilege escalation attacks. System administrators should also consider implementing additional security measures including multi-factor authentication, regular security audits, and comprehensive monitoring of authentication events to detect and respond to similar vulnerabilities in other applications.