CVE-2018-10404 : Exploit Details and Defense Strategies

Objective-See's software applications KnockKnock, LuLu, TaskExplorer, WhatsYourSign, and procInfo are affected by a vulnerability that allows a malicious Universal/fat binary to bypass third-party code signing verification checks.

Understanding CVE-2018-10404

A vulnerability in Objective-See's software applications allows unsigned malicious code to run by evading third-party code signing checks.

What is CVE-2018-10404?

A flaw in the affected software applications enables a Universal/fat binary to deceive users into thinking the code is signed by Apple when it is actually unsigned malicious code.

The Impact of CVE-2018-10404

The vulnerability can lead to the execution of harmful code, posing a significant security risk to users of the affected applications.

Technical Details of CVE-2018-10404

Objective-See's software applications are susceptible to a specific exploitation method due to the following:

Vulnerability Description

A malicious Universal/fat binary can bypass third-party code signing checks, misleading users into running unsigned malicious code.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The flaw allows a Universal/fat binary to evade verification checks, leading users to believe the code is signed by Apple when it is actually unsigned and potentially harmful.

Mitigation and Prevention

To address CVE-2018-10404, users and organizations can take the following steps:

Immediate Steps to Take

Thoroughly inspect Universal/fat binaries for malicious content.
Implement strict code signing verification processes.

Long-Term Security Practices

Regularly update and patch the affected software applications.
Educate users on the risks associated with third-party code signing.

Patching and Updates

Ensure that all software applications are updated with the latest patches and security fixes to mitigate the risk of exploitation.