CVE-2016-3983 in Advanced Threat Defense
Summary
by MITRE
McAfee Advanced Threat Defense (ATD) before 3.4.8.178 might allow remote attackers to bypass malware detection by leveraging information about the parent process.
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Analysis
by VulDB Data Team • 02/04/2019
McAfee Advanced Threat Defense represents a critical endpoint security solution designed to detect and analyze potentially malicious files through sandboxing and behavioral analysis techniques. This vulnerability affects versions prior to 3.4.8.178 of the ATD platform, creating a significant security gap that adversaries could exploit to evade detection mechanisms. The flaw specifically relates to how the system handles process information during malware analysis, particularly concerning the parent-child relationship between processes within the sandbox environment. Attackers can leverage this weakness to manipulate the detection logic by crafting malware that appears to originate from legitimate parent processes, thereby bypassing the security controls that rely on process lineage analysis. The vulnerability stems from insufficient validation of parent process information during the malware analysis phase, allowing malicious actors to spoof or manipulate process context data that the ATD system uses to determine threat severity and detection priority. This issue directly impacts the integrity of the sandboxing environment and undermines the fundamental security principle of process isolation that ATD relies upon for effective threat detection. The technical implementation flaw enables attackers to exploit the trust relationship between processes, potentially causing the system to classify malicious activities as benign or low-risk when they should be flagged as high-priority threats.
The operational impact of this vulnerability extends beyond simple detection bypass to encompass broader security posture degradation within organizations relying on McAfee ATD for advanced threat protection. Security teams utilizing this platform may experience false negatives where malicious payloads evade detection for extended periods, potentially leading to successful breaches or data exfiltration events. The vulnerability creates a pathway for attackers to systematically evade sandbox analysis by understanding how the system correlates process information with threat detection algorithms. This manipulation capability allows adversaries to craft malware that appears to execute from trusted parent processes, such as legitimate system executables or common user applications, effectively hiding malicious behavior within seemingly normal process trees. Organizations may observe reduced effectiveness in their threat hunting and incident response activities as the system fails to properly identify malicious processes that should trigger alerts or automated containment measures. The exploitation of this vulnerability aligns with tactics described in the attack framework where adversaries attempt to manipulate security controls through process spoofing and information leakage techniques.
Security mitigations for this vulnerability require immediate patching to version 3.4.8.178 or later, which addresses the process information validation mechanisms within the ATD platform. Organizations should implement additional monitoring procedures to detect anomalous process behavior patterns that may indicate exploitation attempts, particularly focusing on suspicious parent-child process relationships. Network segmentation and process isolation controls should be reinforced to limit the potential impact of successful exploitation attempts. System administrators should conduct thorough reviews of existing detection rules to ensure they account for process information manipulation techniques, potentially requiring updates to behavioral analysis parameters. The vulnerability demonstrates the importance of proper input validation and process context verification in sandboxing environments, aligning with common weakness enumerations related to process control and information flow management. Organizations should also consider implementing additional layers of security monitoring beyond the ATD platform to provide defense-in-depth against similar exploitation techniques. Regular security assessments of sandboxing environments should be conducted to identify potential information leakage points and process manipulation opportunities that could be exploited by adversaries. This vulnerability highlights the critical need for maintaining up-to-date security controls and the importance of comprehensive testing of security solutions against known attack patterns and evasion techniques.