COMMON WEAKNESS ENUMERATIONIncomplete

CWE-618

Exposed Unsafe ActiveX Method

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).

Soyutlama

Variant

Yapı

Simple

Sömürü İhtimali

Medium

Problemi anla

Problem nedir?

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).

Genişletilmiş açıklama

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.

Kök neden

Problem nasıl ve ne zaman oluşur?

Yaşam döngüsü evresi

Architecture and Design

Yaşam döngüsü evresi

Implementation

Risk

Başarılı sömürü neye yol açar?

Other

Etkilenen güvenlik alanları: Other

Savunma

Nasıl önlenir ve çözülür?

Implementation

Uygulama aşaması savunması

Detay
If you must expose a method, make sure to perform input validation on all arguments, and protect against all possible vulnerabilities.

Architecture and Design

Mimari ve tasarım yaklaşımı

Detay
Use code signing, although this does not protect against any weaknesses that are already in the control.

Architecture and Design · System Configuration

Birden fazla yaşam döngüsü evresinde uygulanacak savunma

Detay
Where possible, avoid marking the control as safe for scripting.

Doğrulama

Nasıl tespit edilir?

Automated Static Analysis

High
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.)