CVE-2022-29633 in Linglong
Summary
by MITRE • 05/27/2022
An access control issue in Linglong v1.0 allows attackers to access the background of the application via a crafted cookie.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 06/01/2022
The vulnerability identified as CVE-2022-29633 represents a critical access control flaw within the Linglong v1.0 application framework that directly compromises the integrity of the system's authentication mechanisms. This issue stems from improper validation of session tokens within the application's cookie handling implementation, creating a pathway for unauthorized users to bypass legitimate authentication processes and gain administrative access to the application's backend interfaces. The vulnerability specifically affects the session management component where the system fails to properly verify the authenticity and authorization status of incoming cookie values, allowing attackers to manipulate session identifiers and assume elevated privileges.
The technical exploitation of this vulnerability occurs through the manipulation of session cookies that are typically used to maintain user authentication states within web applications. Attackers can craft malicious cookie values that appear legitimate to the system's validation routines, thereby tricking the application into treating unauthorized requests as if they originated from authenticated administrators. This flaw falls under the category of weak session management as defined by CWE-613, where insufficient validation of session identifiers creates opportunities for session hijacking and privilege escalation attacks. The vulnerability is particularly concerning because it directly undermines the fundamental security principle of least privilege, allowing attackers to access administrative functions that should be restricted to authorized personnel only.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with comprehensive control over the application's backend systems and potentially exposes sensitive data stored within the Linglong v1.0 environment. An attacker who successfully exploits this vulnerability can perform actions such as modifying user accounts, accessing confidential information, altering application configurations, and executing arbitrary commands within the system's administrative interface. This access control failure creates a persistent threat vector that can be exploited repeatedly, as the malicious cookie manipulation does not require the attacker to possess valid credentials or knowledge of the system's internal authentication mechanisms. The vulnerability's impact is further amplified by the fact that it affects the core application infrastructure rather than just individual user sessions, potentially compromising the entire application ecosystem.
Mitigation strategies for CVE-2022-29633 should focus on implementing robust session management controls and strengthening the application's cookie validation mechanisms. Organizations should enforce proper session token generation using cryptographically secure random number generators and implement strict validation procedures that verify the integrity and authenticity of all incoming session identifiers. The system should employ mechanisms such as secure cookie flags,HttpOnly and SameSite attributes, and regular session expiration policies to prevent cookie-based attacks. Additionally, implementing proper access control checks at every application endpoint and logging all authentication attempts will help detect and prevent unauthorized access attempts. According to ATT&CK framework category T1078 for Valid Accounts and T1566 for Phishing, this vulnerability aligns with techniques that exploit weak session management to gain unauthorized access, making it crucial for organizations to implement comprehensive session management policies and monitor for suspicious authentication patterns. The fix should involve upgrading to a patched version of Linglong v1.0 that properly validates session tokens and implements secure session handling practices as recommended in OWASP session management guidelines.