CVE-2024-23764 in Client Security
Summary
by MITRE • 02/08/2024
Certain WithSecure products allow Local Privilege Escalation. This affects WithSecure Client Security 15 and later, WithSecure Server Security 15 and later, WithSecure Email and Server Security 15 and later, and WithSecure Elements Endpoint Protection 17 and later.
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Analysis
by VulDB Data Team • 03/02/2024
The vulnerability identified as CVE-2024-23764 represents a critical local privilege escalation flaw affecting multiple WithSecure security products including Client Security, Server Security, Email and Server Security, and Elements Endpoint Protection across specified version ranges. This vulnerability exposes a fundamental weakness in the privilege management mechanisms of these security solutions, potentially allowing attackers with local system access to elevate their privileges to administrative or root level. The affected versions span from WithSecure Client Security 15 through to the latest releases, indicating a widespread impact across the product portfolio and suggesting that the underlying flaw may be present in core components shared across multiple security modules.
The technical nature of this privilege escalation vulnerability stems from inadequate access control checks or improper privilege handling within the security software components. Attackers who have already gained local user access to a system running any of these affected WithSecure products could exploit this weakness to execute arbitrary code with elevated privileges, potentially gaining complete system control. The vulnerability likely involves improper validation of user permissions, insufficient privilege separation, or flawed privilege elevation mechanisms within the security product's runtime environment. This type of flaw aligns with CWE-276, which addresses improper privileges, and represents a significant operational risk as it undermines the very security posture these products are designed to provide.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it fundamentally compromises the security architecture of affected systems. Organizations relying on WithSecure products for endpoint protection face potential exposure to sophisticated attacks where adversaries can leverage this vulnerability to establish persistent access, escalate their privileges to gain full system control, and potentially move laterally within networks. The attack surface is particularly concerning given that these products are deployed across enterprise environments where they typically have elevated system privileges to perform security functions. This vulnerability could enable attackers to bypass the very protections these products are meant to provide, creating a dangerous scenario where the security solution becomes a vector for compromise rather than a defense mechanism. The impact is further amplified by the fact that these products are designed to run with elevated privileges to perform their security functions, making the privilege escalation possible through these components particularly dangerous.
Mitigation strategies for CVE-2024-23764 should prioritize immediate patching of affected WithSecure products to the latest available versions that contain the security fix. Organizations must conduct thorough vulnerability assessments to identify all systems running the affected versions and prioritize remediation efforts accordingly. Network segmentation and privilege minimization should be implemented to reduce the potential impact if exploitation occurs, ensuring that even if an attacker gains access to one system, they cannot easily escalate privileges across the entire network. System monitoring and logging should be enhanced to detect unusual privilege escalation activities, and security teams should implement behavioral analysis to identify potential exploitation attempts. The vulnerability also highlights the importance of maintaining updated security patches across all enterprise systems and implementing robust change management processes to ensure timely deployment of security updates. According to ATT&CK framework, this vulnerability maps to privilege escalation techniques and could be leveraged in conjunction with other attack phases to achieve persistent access and complete system compromise, making it a critical target for immediate remediation efforts.