CVE-2018-1000136 Explained : Impact and Mitigation

Electron versions 1.7 to 1.7.12, 1.8 to 1.8.3, and 2.0.0 to 2.0.0-beta.3 have a vulnerability related to improper handling of values in Webviews, potentially leading to remote code execution. This CVE has been resolved in versions 1.7.13, 1.8.4, and 2.0.0-beta.4.

Understanding CVE-2018-1000136

This CVE involves a security vulnerability in Electron versions that could allow remote code execution under specific conditions.

What is CVE-2018-1000136?

The vulnerability in Electron versions 1.7 to 1.7.12, 1.8 to 1.8.3, and 2.0.0 to 2.0.0-beta.3 is related to the mishandling of values in Webviews, potentially enabling remote code execution.

The Impact of CVE-2018-1000136

The vulnerability could be exploited by an attacker in scenarios where third-party code execution is allowed, node integration is disallowed, and the status of webview (enabled or disabled) is unspecified.

Technical Details of CVE-2018-1000136

Electron versions 1.7 to 1.7.12, 1.8 to 1.8.3, and 2.0.0 to 2.0.0-beta.3 are affected by this vulnerability.

Vulnerability Description

Improper handling of values in Webviews in affected Electron versions can result in remote code execution.

Affected Systems and Versions

Electron versions 1.7 to 1.7.12
Electron versions 1.8 to 1.8.3
Electron versions 2.0.0 to 2.0.0-beta.3

Exploitation Mechanism

Attacker needs an application allowing third-party code execution
Node integration must be disallowed
Webview status (enabled/disabled) must be unspecified

Mitigation and Prevention

To address CVE-2018-1000136, consider the following steps:

Immediate Steps to Take

Update Electron to versions 1.7.13, 1.8.4, or 2.0.0-beta.4
Review application settings to ensure node integration is properly configured

Long-Term Security Practices

Regularly update Electron and other software components
Implement secure coding practices to prevent code execution vulnerabilities

Patching and Updates

Apply patches provided by Electron to fix the vulnerability