CVE-2023-2737 in SafeNet Authentication Service Version
Summary
by MITRE • 08/16/2023
Improper log permissions in SafeNet Authentication Service Version 3.4.0 on Windows allows an authenticated attacker to cause a denial of service via local privilege escalation.
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Analysis
by VulDB Data Team • 09/10/2023
The vulnerability identified as CVE-2023-2737 affects the SafeNet Authentication Service version 3.4.0 running on Windows operating systems. This issue stems from improper log file permissions that create a security weakness exploitable by authenticated attackers. The flaw specifically manifests when an attacker with valid credentials can manipulate log file access controls to escalate privileges locally, ultimately leading to a denial of service condition within the authentication service infrastructure.
The technical root cause of this vulnerability lies in the inadequate permission settings applied to log files generated by the SafeNet Authentication Service. When log files are created with overly permissive access controls, authenticated users can potentially modify or overwrite these files, which creates opportunities for privilege escalation attacks. The vulnerability specifically targets the Windows implementation where the service fails to properly enforce restrictive file permissions on its logging components. This misconfiguration allows an attacker to gain elevated privileges through manipulation of the logging mechanism, which serves as a critical attack vector for local privilege escalation.
The operational impact of this vulnerability extends beyond simple privilege escalation as it directly compromises the availability and integrity of the authentication service. An authenticated attacker can exploit this weakness to disrupt service operations, potentially causing complete denial of service for legitimate users attempting to authenticate. The vulnerability affects the core functionality of the SafeNet Authentication Service, which is designed to provide secure authentication mechanisms for enterprise environments. When exploited successfully, the attacker can render the authentication service unusable, creating cascading effects throughout the organization's security infrastructure and potentially compromising other systems that rely on this authentication service.
Organizations implementing the affected SafeNet Authentication Service version 3.4.0 on Windows platforms should immediately address this vulnerability through proper permission configuration and access control enforcement. The recommended mitigation involves reviewing and tightening file permissions on log directories and files, ensuring that only authorized system processes have write access to these critical components. Security administrators should implement proper least privilege principles and regularly audit file access controls to prevent unauthorized modifications. Additionally, organizations should consider implementing monitoring solutions that can detect anomalous file access patterns or permission changes that might indicate exploitation attempts. This vulnerability aligns with CWE-732, which addresses inadequate permissions for critical resources, and maps to ATT&CK technique T1068, which covers local privilege escalation through service misconfigurations.
The exploitation of this vulnerability demonstrates the critical importance of proper access control implementation in security-critical services. The flaw represents a fundamental misconfiguration that undermines the security posture of the entire authentication infrastructure. Organizations should conduct comprehensive security assessments to identify similar permission issues across their Windows-based services and implement automated compliance checking mechanisms to prevent such misconfigurations from occurring in the future. The vulnerability serves as a reminder that even authenticated users with legitimate access can cause significant damage when proper access controls are not implemented, emphasizing the need for robust security practices throughout the entire system lifecycle.