CVE-2005-4525 in protection agent
Summary
by MITRE
smcgui.exe in sygate protection agent 5.0 build 6144 allows local users to obtain management control over the agent by executing the gui (smcgui.exe) and then killing the process which causes the privileged management gui to launch.
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Analysis
by VulDB Data Team • 06/24/2018
The vulnerability identified as CVE-2005-4525 resides within the Symantec Protection Agent version 5.0 build 6144 where the smcgui.exe component exhibits a privilege escalation flaw. This issue manifests when local users execute the graphical user interface executable and subsequently terminate the process, which inadvertently triggers the launch of a privileged management interface. The underlying mechanism exploits improper process management and privilege handling within the security agent's user interface components, creating an unexpected escalation path from standard user privileges to administrative control over the protection agent.
This vulnerability represents a classic case of improper privilege management and process control, aligning with CWE-276 which addresses incorrect permissions for critical resources. The flaw operates through a race condition or improper process lifecycle management where terminating a user-level process inadvertently triggers the privileged component to initialize with elevated privileges. The security implications extend beyond simple privilege escalation as this creates a persistent backdoor mechanism that could be exploited by malicious actors with local access to gain unauthorized administrative control over the protection agent.
The operational impact of this vulnerability is significant for organizations relying on Symantec Protection Agent for endpoint security management. Local users who can execute the smcgui.exe process and then terminate it gain the ability to control the agent's management functions, potentially allowing them to modify security policies, disable protection features, or access sensitive system information. This creates a serious risk for environments where local user access is not strictly controlled, as it effectively provides a method for privilege escalation without requiring elevated credentials or complex exploitation techniques.
From an attack perspective, this vulnerability maps to several ATT&CK tactics including privilege escalation and defense evasion, as attackers can leverage this mechanism to maintain persistent access and manipulate security controls. The attack surface is relatively narrow but effective, requiring only local system access and basic process management capabilities. Organizations should consider implementing process monitoring and privilege control measures to detect and prevent unauthorized execution of the smcgui.exe component. The vulnerability also highlights the importance of proper privilege separation in security software design, where user interfaces should not have direct access to privileged management functions without proper authentication and authorization controls.
Mitigation strategies should focus on implementing strict access controls for the smcgui.exe executable, ensuring that only authorized administrative users can execute the component. System administrators should consider disabling the GUI component entirely if it is not required for operational purposes, and implement process monitoring to detect suspicious execution patterns. Regular security updates and patches should be applied to ensure that the protection agent runs the latest version where such privilege escalation vulnerabilities have been addressed. Additionally, organizations should conduct regular security assessments to identify similar privilege escalation mechanisms within other security components and implement defense-in-depth strategies to minimize the impact of such vulnerabilities.