CVE-2004-2182 in JRun
Summary
by MITRE
Session fixation vulnerability in Macromedia JRun 4.0 allows remote attackers to hijack user sessions by pre-setting the user session ID information used by the session server.
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Analysis
by VulDB Data Team • 06/25/2018
The vulnerability identified as CVE-2004-2182 represents a critical session fixation flaw within Macromedia JRun 4.0 application server software. This weakness stems from the application server's failure to properly invalidate session identifiers during the authentication process, creating a scenario where attackers can manipulate session tokens to gain unauthorized access to user sessions. The vulnerability operates by allowing remote adversaries to set a known session ID before a user authenticates, subsequently enabling the attacker to hijack the user's session once authentication occurs. This particular flaw falls under the CWE-384 category of Session Fixation, which is classified as a direct weakness in the software's session management mechanisms. The vulnerability aligns with ATT&CK technique T1563.002 which focuses on Pre-Authentication Session Fixation, making it particularly dangerous as it can be exploited before the user has established legitimate authentication credentials.
The technical implementation of this vulnerability exploits the fundamental session management architecture within JRun 4.0's web application framework. When users authenticate to applications running on the affected server, the session ID is not properly regenerated or invalidated, allowing an attacker who has already established a session with a specific session identifier to maintain access to that session even after legitimate users authenticate. The flaw specifically affects the server's handling of session cookies and session tracking mechanisms, where the application server fails to recognize that a new session should be created upon successful authentication. This creates a persistent session token that remains valid regardless of authentication status, essentially allowing attackers to reuse session identifiers that they have previously established or predicted. The vulnerability exists at the application server level rather than in individual applications, making it particularly impactful as it affects all applications deployed on the vulnerable JRun 4.0 platform.
The operational impact of this vulnerability extends beyond simple session hijacking, creating significant risks for organizations utilizing Macromedia JRun 4.0 for their web applications. Attackers can leverage this weakness to perform unauthorized access to user accounts, potentially gaining access to sensitive data, performing privileged operations, or conducting further attacks within the compromised application environment. The remote nature of the attack means that exploitation can occur from any network location without requiring physical access or complex local privileges. Organizations using JRun 4.0 for critical applications face substantial risk of data breaches, unauthorized transactions, and potential system compromise. The vulnerability is particularly concerning in environments where sensitive information is processed or stored, as attackers could maintain persistent access to user sessions for extended periods. This type of vulnerability can also facilitate broader attack chains where session hijacking serves as a foothold for more sophisticated exploitation techniques, potentially leading to complete system compromise. The impact is further amplified by the fact that this vulnerability affects the underlying application server rather than individual applications, meaning that all applications deployed on the affected JRun 4.0 platform are potentially vulnerable.
Mitigation strategies for CVE-2004-2182 should focus on immediate remediation through software updates and proper session management implementation. The most effective solution involves upgrading to a patched version of Macromedia JRun 4.0 that properly implements session regeneration upon successful authentication. Organizations should also implement proper session management practices including the automatic regeneration of session identifiers after authentication events, ensuring that session tokens are not reused or predictable. Additional protective measures include implementing secure session cookie attributes such as HttpOnly and Secure flags, enforcing proper session timeout mechanisms, and monitoring for suspicious session activity patterns. Network-level protections such as firewalls and intrusion detection systems can help detect unusual session-related traffic patterns, while application-level controls should enforce proper session validation and monitoring. Organizations should also consider implementing multi-factor authentication mechanisms to add additional layers of security beyond session management. The mitigation approach should align with security best practices outlined in OWASP Session Management Cheat Sheet and NIST SP 800-63 guidelines for secure session handling. Regular security assessments and vulnerability scanning should be conducted to ensure that session management configurations remain secure and that no similar vulnerabilities have been introduced through custom application code or third-party components.