CWE-618: Exposed Unsafe ActiveX Method

What is Exposed Unsafe ActiveX Method?

• Overview: Exposed Unsafe ActiveX Method (CWE-618) occurs when an ActiveX control, used in web browsers, exposes methods that can execute actions beyond the browser's security boundaries, potentially compromising system security.

• Exploitation Methods:

• Attackers can exploit this vulnerability by invoking exposed methods in ActiveX controls without proper input validation or origin checking.
• Common attack patterns include crafting malicious web pages that invoke unsafe ActiveX methods to perform unauthorized actions on a user's system.

• Security Impact:

• Direct consequences include unauthorized access to system resources and execution of arbitrary code.
• Potential cascading effects can involve the installation of malware, data breaches, or further compromise of the system.
• Business impact may include loss of sensitive data, damage to reputation, and financial loss due to security breaches.

• Prevention Guidelines:

• Specific code-level fixes involve ensuring that methods exposed by ActiveX controls are safe and perform robust input validation.
• Security best practices include restricting the use of ActiveX controls to trusted zones and employing least privilege principles.
• Recommended tools and frameworks include using Microsoft's ActiveX security settings, employing code signing for controls, and leveraging security auditing tools to identify and mitigate vulnerabilities.

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Technical Details

Likelihood of Exploit: Not specified

Affected Languages: Not specified

Affected Technologies: Not specified