CWE-618 詳細

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).

導入モード

Architecture and Design
Implementation

適用可能なプラットフォーム

言語

クラス： Not Language-Specific (Undetermined)

テクノロジー

クラス： Web Based (Undetermined)

一般的な結果

観察された例

潜在的な緩和策

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

検出方法

Automated Static Analysis

Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)
有効性 : High

脆弱性マッピングノート

理由 : This CWE entry is at the Variant level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.
コメント : Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

参考文献

REF-503

Developing Secure ActiveX Controls
Microsoft.
https://learn.microsoft.com/en-us/previous-versions//ms533046(v=vs.85)?redirectedfrom=MSDN

REF-62

The Art of Software Security Assessment
Mark Dowd, John McDonald, Justin Schuh.

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