CVE-2018-5236 in Endpoint Protection
Summary
by MITRE
Symantec Endpoint Protection prior to 14 RU1 MP1 or 12.1 RU6 MP10 may be susceptible to a race condition (or race hazard). This type of issue occurs in software where the output is dependent on the sequence or timing of other uncontrollable events.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 02/22/2020
Symantec Endpoint Protection represents a critical security solution widely deployed across enterprise environments for endpoint threat detection and prevention. The vulnerability identified as CVE-2018-5236 manifests as a race condition within the software architecture, specifically affecting versions prior to 14 RU1 MP1 and 12.1 RU6 MP10. This type of race condition vulnerability arises when multiple threads or processes attempt to access shared resources concurrently, creating unpredictable behavior based on timing dependencies rather than logical sequence execution. The fundamental flaw lies in the improper synchronization mechanisms that govern how the system handles concurrent access to critical resources during the endpoint protection processes.
The technical nature of this race condition presents significant operational risks as attackers can exploit timing dependencies to manipulate the system state during critical operations. When multiple processes attempt to modify shared memory locations or file system resources simultaneously, the outcome becomes unpredictable and potentially exploitable. The vulnerability specifically impacts the software's ability to maintain consistent state during concurrent operations, allowing for potential privilege escalation or arbitrary code execution. This aligns with CWE-362 which categorizes race conditions as a well-known weakness in concurrent programming where multiple threads access shared resources without proper synchronization.
From an operational perspective, this vulnerability creates a substantial attack surface for adversaries who can leverage the timing-dependent nature of the flaw to bypass security controls. The race condition could enable attackers to manipulate the endpoint protection software's behavior, potentially leading to complete system compromise or evasion of security monitoring. Attackers might exploit this weakness to inject malicious code, modify protection policies, or gain elevated privileges within the protected environment. The impact extends beyond simple exploitation as it undermines the fundamental trust model of the security solution itself, potentially allowing attackers to remain undetected while executing malicious activities.
Organizations should prioritize immediate remediation through the application of Symantec's official patches and updates for both the 14 and 12.1 product lines. The mitigation strategy should include comprehensive testing of the updated software in controlled environments before full deployment to ensure compatibility with existing infrastructure. Security teams should also implement additional monitoring controls to detect anomalous behavior that might indicate exploitation attempts. Network segmentation and least privilege principles should be reinforced as defensive measures while waiting for patch deployment. The vulnerability demonstrates the critical importance of proper synchronization mechanisms in security software and aligns with ATT&CK technique T1068 which covers local privilege escalation through system-level vulnerabilities. Organizations should also consider implementing behavioral analysis tools that can detect the timing-based anomalies characteristic of race condition exploitation attempts.