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CVE-2020-15145 : What You Need to Know

In Composer-Setup for Windows before version 6.0.0, a local privilege elevation vulnerability allows attackers to execute commands with elevated privileges. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.

In Composer-Setup for Windows before version 6.0.0, a local privilege elevation vulnerability exists, allowing attackers to execute arbitrary commands with elevated privileges.

Understanding CVE-2020-15145

What is CVE-2020-15145?

This CVE describes a local privilege elevation vulnerability in Composer-Setup for Windows.

The Impact of CVE-2020-15145

The vulnerability has a CVSS base score of 6.7, with medium severity. It allows local attackers to gain elevated privileges on the system.

Technical Details of CVE-2020-15145

Vulnerability Description

        Attackers can exploit the vulnerability to execute commands with elevated privileges.

Affected Systems and Versions

        Product: windows-setup
        Vendor: composer
        Versions Affected: < 6.0.0

Exploitation Mechanism

        Attack Complexity: Low
        Attack Vector: Local
        Privileges Required: Low
        User Interaction: Required
        Scope: Changed
        Integrity Impact: High
        Confidentiality Impact: Low
        Availability Impact: None

Mitigation and Prevention

Immediate Steps to Take

        Update Composer-Setup to version 6.0.0 or higher.
        Avoid sharing the developer's computer with untrusted users.

Long-Term Security Practices

        Implement the principle of least privilege.
        Regularly monitor and audit system changes.
        Educate users on safe computing practices.

Patching and Updates

        Apply security patches and updates promptly to mitigate known vulnerabilities.

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