CVE-2023-22300 in EY-AS525F001
Summary
by MITRE • 03/27/2023
An unauthenticated remote attacker could force all authenticated users, such as administrative users, to perform unauthorized actions by viewing the logs. This action would also grant the attacker privilege escalation.
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Analysis
by VulDB Data Team • 04/27/2025
This vulnerability represents a critical access control flaw that undermines the fundamental security posture of affected systems. The issue stems from improper authorization checks within the logging subsystem, allowing unauthenticated attackers to manipulate authenticated user sessions through log viewing mechanisms. The vulnerability affects systems where log data is exposed without adequate authentication verification, creating a pathway for attackers to leverage existing authenticated sessions for unauthorized operations. This type of flaw typically occurs when applications fail to properly validate session tokens or authentication state when processing log-related requests, enabling attackers to exploit the system's trust in legitimate user sessions.
The technical implementation of this vulnerability involves the exploitation of session management weaknesses where log viewing functions do not properly authenticate the requesting entity before executing privileged operations. Attackers can craft specific requests that appear to originate from authenticated users while actually being initiated by unauthenticated parties. This manipulation allows the system to process the requests as if they were legitimate user actions, enabling the execution of administrative functions that should only be accessible to authorized personnel. The flaw operates at the application layer and can be classified under CWE-285, which addresses improper authorization in software systems. The vulnerability demonstrates characteristics consistent with CWE-352, which covers Cross-Site Request Forgery attacks, as the attacker can force authenticated sessions to perform unintended actions without user consent or knowledge.
The operational impact of this vulnerability is severe and far-reaching, particularly for administrative accounts that maintain elevated privileges within the system. When an attacker successfully exploits this flaw, they can execute privilege escalation attacks that allow them to assume the identity and permissions of authenticated users, including those with administrative rights. This creates a cascading effect where a single unauthenticated access point can compromise the entire administrative infrastructure of the affected system. The attack vector is particularly dangerous because it requires no prior authentication credentials, making it accessible to anyone who can reach the target system. The vulnerability enables attackers to perform actions such as modifying system configurations, accessing sensitive data, creating new user accounts, or even deleting critical system components, all while appearing to originate from legitimate authenticated sessions.
Security professionals should implement immediate mitigations including strengthening authentication controls around log viewing functions, implementing proper session validation mechanisms, and ensuring that log access operations require explicit authentication tokens. Network segmentation and access controls should be reinforced to limit exposure of logging interfaces to trusted networks only. The implementation of robust session management protocols, including token expiration and re-authentication requirements, can significantly reduce the risk of exploitation. Organizations should also conduct thorough security assessments to identify all potential entry points where similar authorization flaws might exist, as this vulnerability type often indicates broader systemic weaknesses in access control implementation. The remediation process should align with ATT&CK framework tactic TA0004, specifically focusing on privilege escalation techniques that attackers might use to gain higher-level system access through compromised authentication mechanisms. Additionally, implementing comprehensive logging and monitoring of access attempts to sensitive functions can help detect exploitation attempts and provide early warning of potential security breaches.