CVE-2020-27383 : Security Advisory and Response

Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability that allows an Authenticated User to modify the executable file with a binary of their choice due to weak permissions.

Understanding CVE-2020-27383

This CVE involves an elevation of privileges vulnerability in Battle.net.exe in Battle.Net 1.27.1.12428.

What is CVE-2020-27383?

The vulnerability allows an Authenticated User to modify the executable file with a binary of their choice by exploiting weak permissions granted to the Authenticated Users Group.

The Impact of CVE-2020-27383

The vulnerability can be exploited by an attacker with limited access to gain elevated privileges and potentially execute malicious code on the system.

Technical Details of CVE-2020-27383

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Battle.net.exe in Battle.Net 1.27.1.12428 allows an Authenticated User to escalate privileges by modifying the executable file.

Affected Systems and Versions

Product: Battle.Net 1.27.1.12428
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability is exploited by an Authenticated User leveraging weak permissions granted to the Authenticated Users Group.

Mitigation and Prevention

Protecting systems from CVE-2020-27383 is crucial to prevent unauthorized privilege escalation.

Immediate Steps to Take

Apply security patches or updates provided by the software vendor.
Restrict access permissions to critical system files.
Monitor and audit user activities to detect unauthorized changes.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Conduct regular security training for users to raise awareness of potential threats.

Patching and Updates

Stay informed about security advisories and updates from the software vendor.
Promptly apply patches to address known vulnerabilities and enhance system security.