CVE-2012-4937 in Pattern Insight
Summary
by MITRE
Session fixation vulnerability in the web interface in Pattern Insight 2.3 allows remote attackers to hijack web sessions via a jsession_id cookie.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 12/04/2024
The CVE-2012-4937 vulnerability represents a critical session fixation flaw in Pattern Insight 2.3's web interface that enables remote attackers to hijack user sessions through manipulation of the jsession_id cookie. This vulnerability falls under the broader category of session management weaknesses that have been consistently identified as high-risk security issues in web applications. The flaw specifically affects the authentication and session handling mechanisms of the Pattern Insight platform, which is designed for network traffic analysis and security monitoring. When users authenticate to the web interface, the application generates a session identifier that should be unique and unpredictable to prevent unauthorized access. However, this vulnerability allows attackers to exploit the session fixation mechanism by setting a known session identifier, thereby enabling them to take control of user sessions without needing valid credentials.
The technical implementation of this vulnerability stems from the application's failure to properly regenerate session identifiers upon successful authentication. In a properly secured application, when a user logs in, the system should invalidate the previous session identifier and generate a new, cryptographically secure session token. Pattern Insight 2.3, however, maintains the same jsession_id cookie value throughout the authentication process, allowing attackers to capture a valid session cookie and reuse it to impersonate legitimate users. This flaw operates at the application layer and specifically targets the HTTP session management component that handles user authentication and authorization within the web interface. The vulnerability is particularly concerning because it affects the core authentication mechanism of the security monitoring platform, potentially allowing attackers to gain unauthorized access to sensitive network analysis data and configuration settings.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it could enable attackers to perform administrative actions within the Pattern Insight environment. Once an attacker successfully hijacks a session, they could potentially view, modify, or delete network traffic analysis data, alter security policies, or even configure the system to bypass security controls. The vulnerability affects both authenticated and unauthenticated users, as attackers could potentially exploit it even without prior knowledge of valid user credentials. This session fixation vulnerability creates a persistent threat vector that remains active until the session expires naturally or until the application is patched. The impact is particularly severe in environments where Pattern Insight is used for critical network security monitoring, as the compromise of a single session could provide attackers with access to comprehensive network traffic data and security event information that would otherwise be protected.
Mitigation strategies for CVE-2012-4937 should focus on implementing proper session management practices that align with industry standards and best practices. Organizations should immediately apply the vendor-provided security patches or updates that address this specific vulnerability. The recommended approach involves ensuring that session identifiers are regenerated upon successful authentication and that old session tokens are properly invalidated. This aligns with the principles outlined in CWE-384, which specifically addresses session fixation vulnerabilities and emphasizes the importance of secure session management. Additionally, implementing proper session timeout mechanisms, using secure cookie attributes such as HttpOnly and Secure flags, and employing multi-factor authentication can significantly reduce the risk of exploitation. Network monitoring solutions should also be configured to detect and alert on suspicious session-related activities, as outlined in the ATT&CK framework's session management techniques. Organizations should conduct thorough security assessments to identify any other applications within their environment that may be susceptible to similar session fixation vulnerabilities and ensure that all web applications follow secure session handling practices. The vulnerability also underscores the importance of regular security testing and code reviews to identify and remediate session management flaws before they can be exploited by attackers in the wild.