CVE-2011-3006 in SaaS Endpoint Protection
Summary
by MITRE
The MyAsUtil ActiveX control in MyAsUtil5.2.0.603.dll in McAfee SaaS Endpoint Protection 5.2.1 and earlier allows remote attackers to bypass the MyASUtil.SecureObjectFactory.CreateSecureObject domain execution policy using a cross-site scripting (XSS) attack, execute arbitrary code using the MyASUtil.InstallInfo.RunUserProgram function, and possibly conduct other unspecified attacks.
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Analysis
by VulDB Data Team • 11/17/2021
The vulnerability identified as CVE-2011-3006 represents a critical security flaw in McAfee SaaS Endpoint Protection version 5.2.1 and earlier, specifically within the MyAsUtil ActiveX control. This issue stems from improper implementation of security policies within the ActiveX component that governs domain execution restrictions. The vulnerability allows remote attackers to circumvent established security boundaries through sophisticated cross-site scripting techniques that exploit the control's insufficient validation mechanisms.
The technical exploitation of this vulnerability occurs through the MyAsUtil.SecureObjectFactory.CreateSecureObject function which should enforce domain execution policies but fails to properly validate input parameters. Attackers can craft malicious payloads that leverage XSS vectors to manipulate the ActiveX control's behavior, effectively bypassing the intended security restrictions. The vulnerability extends beyond simple policy bypass to enable arbitrary code execution through the MyASUtil.InstallInfo.RunUserProgram function, which provides a direct pathway for attackers to execute malicious code within the context of the vulnerable system.
The operational impact of this vulnerability is severe as it creates a persistent attack vector that can be exploited remotely without requiring user interaction beyond visiting a malicious website or clicking on a specially crafted link. The ActiveX control's failure to properly enforce security boundaries means that attackers can execute code with the privileges of the affected user, potentially leading to full system compromise. This vulnerability particularly affects environments where McAfee SaaS Endpoint Protection is deployed, creating a significant risk for organizations relying on this security solution for endpoint protection.
The flaw manifests as a direct result of inadequate input validation and insufficient security policy enforcement mechanisms within the ActiveX control implementation. According to CWE classification, this vulnerability maps to CWE-79 Cross-Site Scripting and CWE-94 Code Injection, representing a combination of input validation failures and privilege escalation opportunities. The ATT&CK framework categorizes this vulnerability under T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, as attackers can leverage the vulnerability to execute arbitrary commands and potentially escalate privileges within the compromised system.
Organizations should immediately implement mitigations including disabling ActiveX controls in web browsers, applying the latest security patches from McAfee, and implementing network-based controls to restrict access to potentially malicious content. The vulnerability demonstrates the critical importance of proper security policy enforcement in ActiveX components and highlights the need for comprehensive input validation across all security controls. Additionally, security teams should conduct thorough assessments of all ActiveX controls deployed in their environments to identify similar vulnerabilities that could be exploited through comparable attack vectors.