CVE-2020-9858 : Security Advisory and Response

Windows Migration Assistant by Apple is affected by a dynamic library loading issue that could lead to arbitrary code execution when the installer is run in an untrusted directory.

Understanding CVE-2020-9858

What is CVE-2020-9858?

This CVE refers to a vulnerability in Windows Migration Assistant that allows arbitrary code execution by exploiting a dynamic library loading issue when the installer is launched from an untrusted directory.

The Impact of CVE-2020-9858

The vulnerability could be exploited by an attacker to execute arbitrary code on the system, potentially leading to unauthorized access, data theft, or further compromise of the affected system.

Technical Details of CVE-2020-9858

Vulnerability Description

A dynamic library loading issue in Windows Migration Assistant was fixed in version 2.2.0.0 (v. 1A11) to prevent arbitrary code execution when the installer is launched from untrusted directories.

Affected Systems and Versions

Product: Windows Migration Assistant
Vendor: Apple
Versions Affected: Windows Migration Assistant 2.2.0.0 (v. 1A11) and earlier

Exploitation Mechanism

The vulnerability can be exploited by tricking a user into running the Windows Migration Assistant installer from a malicious or untrusted directory, allowing an attacker to execute arbitrary code on the system.

Mitigation and Prevention

Immediate Steps to Take

Update Windows Migration Assistant to version 2.2.0.0 (v. 1A11) or later.
Avoid running installers from untrusted directories.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Exercise caution when downloading and executing files from untrusted sources.

Patching and Updates

Ensure that all software, including Windows Migration Assistant, is kept up to date with the latest security patches to mitigate the risk of exploitation.