CWE-618: Exposed Unsafe ActiveX Method

Description

An ActiveX control is intended for use in a web browser, but it exposes dangerous methods that perform actions that are outside of the browser's security model (e.g. the zone or domain).

Extended Description

ActiveX controls can exercise far greater control over the operating system than typical Java or javascript. Exposed methods can be subject to various vulnerabilities, depending on the implemented behaviors of those methods, and whether input validation is performed on the provided arguments. If there is no integrity checking or origin validation, this method could be invoked by attackers.

ThreatScore

Threat Mapped score: 0.0

Industry: Finiancial

Threat priority: Unclassified

Observed Examples (CVEs)

CVE: CVE-2007-1120

download a file to arbitrary folders.
CVE: CVE-2006-6838

control downloads and executes a url in a parameter
CVE: CVE-2007-0321

resultant buffer overflow

Related Attack Patterns (CAPEC)

N/A

Attack TTPs

N/A

Modes of Introduction

Phase	Note
Architecture and Design	N/A
Implementation	N/A

Common Consequences

Impact: Other — Notes:

Potential Mitigations

Implementation: If you must expose a method, make sure to perform input validation on all arguments, and protect against all possible vulnerabilities. (N/A)
Architecture and Design: Use code signing, although this does not protect against any weaknesses that are already in the control. (N/A)
Architecture and Design: Where possible, avoid marking the control as safe for scripting. (N/A)

Applicable Platforms

None listed.

Demonstrative Examples

N/A

Notes

No notes available.

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