CVE-2007-1951 in obo Shop
Summary
by MITRE
Session fixation vulnerability in onelook obo Shop allows remote attackers to hijack web sessions by setting a PHPSESSID cookie.
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Analysis
by VulDB Data Team • 10/22/2017
The vulnerability identified as CVE-2007-1951 represents a critical session fixation flaw within the onelook obo Shop web application. This security weakness resides in the application's session management mechanism and specifically affects how PHP session identifiers are handled during the authentication process. The vulnerability enables remote attackers to exploit the lack of proper session regeneration following user authentication, creating a pathway for unauthorized session hijacking. The flaw manifests when the application fails to invalidate or regenerate the PHPSESSID cookie upon successful user login, allowing an attacker who has already established a session to maintain access to the victim's authenticated session.
The technical implementation of this vulnerability stems from improper session handling practices within the web application's authentication flow. When users log into the onelook obo Shop system, the application should regenerate the session identifier to prevent session fixation attacks. However, in this case, the system maintains the original session ID throughout the authentication process, making it possible for attackers to manipulate the PHPSESSID cookie value. This flaw directly violates security best practices outlined in the OWASP Top Ten and aligns with CWE-384, which specifically addresses session fixation vulnerabilities. The vulnerability exists at the application layer and can be exploited through simple cookie manipulation techniques without requiring complex attack vectors or elevated privileges.
The operational impact of this vulnerability extends beyond simple unauthorized access to potentially compromise entire user accounts and sensitive transaction data within the e-commerce platform. Attackers can leverage this weakness to gain persistent access to user sessions, potentially accessing personal information, payment details, and order histories stored within the application. The consequences are particularly severe for an online shopping platform where users may have active shopping carts, saved payment methods, and personal account information. This vulnerability also enables attackers to perform actions on behalf of legitimate users, potentially leading to financial fraud, data breaches, and reputational damage for the organization operating the vulnerable system.
Mitigation strategies for this session fixation vulnerability must address the core issue of improper session management within the application. Organizations should implement mandatory session regeneration upon successful authentication, ensuring that the PHPSESSID cookie is replaced with a new, unpredictable value after user login. This approach aligns with the ATT&CK framework's mitigation recommendations for session management and authentication processes. Additionally, implementing secure session cookie attributes such as HttpOnly, Secure, and SameSite flags will provide additional protection layers. The application should also enforce session timeout mechanisms and implement proper session invalidation procedures when users logout or when sessions become stale. Regular security testing and code reviews should be conducted to identify similar session management flaws, and developers should follow established secure coding guidelines to prevent recurrence of such vulnerabilities in future implementations.