CVE-2008-6039 in BLUEPAGE
Summary
by MITRE
Session fixation vulnerability in BLUEPAGE CMS 2.5 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID parameter.
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Analysis
by VulDB Data Team • 03/23/2026
The CVE-2008-6039 vulnerability represents a critical session fixation flaw within BLUEPAGE CMS versions 2.5 and earlier, fundamentally compromising web application security through improper session management practices. This vulnerability specifically targets the PHP session handling mechanism by allowing remote attackers to manipulate the PHPSESSID parameter, which serves as the primary identifier for user sessions within the web application framework. The flaw arises from the application's failure to properly regenerate session identifiers upon successful authentication, creating a persistent security risk that enables attackers to maintain unauthorized access to user sessions. The vulnerability falls under the broader category of session management weaknesses that have been extensively documented in security frameworks and standards.
The technical implementation of this vulnerability exploits the fundamental principle that session identifiers should be regenerated upon user authentication to prevent session hijacking attacks. In BLUEPAGE CMS, when users log in, the system does not properly invalidate or regenerate the existing session identifier, allowing an attacker who knows the initial session ID to maintain access to the user's authenticated session. This occurs because the application accepts and uses the PHPSESSID parameter without proper validation or session regeneration procedures, creating a scenario where an attacker can set a known session ID and then wait for a legitimate user to authenticate with that same ID. The vulnerability specifically affects the session management component of the CMS, where the application fails to implement proper session lifecycle controls that are essential for maintaining secure user authentication states.
The operational impact of this vulnerability extends beyond simple session hijacking to encompass potential data compromise, unauthorized administrative access, and complete system takeover scenarios. Attackers can leverage this flaw to impersonate legitimate users, access sensitive information, modify content, and perform administrative functions within the CMS environment. The remote nature of the attack means that threat actors do not require physical access to the system or knowledge of user credentials, as they can simply set the PHPSESSID parameter to a known value and gain access to any user session that uses that identifier. This vulnerability directly violates security best practices outlined in industry standards such as the CWE-384 classification for session fixation, which emphasizes the critical importance of proper session management in web applications. The attack vector allows for persistent access to user sessions, making it particularly dangerous for applications handling sensitive data or administrative functions.
Mitigation strategies for CVE-2008-6039 must focus on implementing proper session management protocols that align with established security frameworks including OWASP Top Ten recommendations and NIST guidelines for web application security. The primary remediation involves ensuring that session identifiers are regenerated upon successful user authentication, which can be achieved through proper implementation of session regeneration functions within the PHP application layer. Organizations should implement session invalidation mechanisms that destroy old session identifiers and create new ones during the authentication process, preventing attackers from maintaining access through fixed session IDs. Additionally, security measures should include proper input validation of session parameters, implementation of secure session cookie attributes such as HttpOnly and Secure flags, and regular security auditing of session management components. The vulnerability also highlights the importance of keeping CMS platforms updated, as newer versions of BLUEPAGE CMS would have addressed this specific session management flaw through proper implementation of session regeneration and validation procedures. This remediation approach aligns with the ATT&CK framework's session management techniques, ensuring that defensive measures address the root cause of the vulnerability rather than merely patching symptoms.