CVE-2020-9005 : What You Need to Know

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Understanding CVE-2020-9005

This CVE identifies a vulnerability in meshsystem.dll in Valve Dota 2 that can be exploited by remote attackers to execute code or cause denial of service.

What is CVE-2020-9005?

The vulnerability in meshsystem.dll in Valve Dota 2 allows attackers to execute arbitrary code or disrupt services by manipulating a gaming server and inviting victims to it, exploiting a mishandled GetValue call.

The Impact of CVE-2020-9005

Remote attackers can achieve code execution or denial of service through a crafted gaming server in Valve Dota 2.

Technical Details of CVE-2020-9005

This section provides technical details about the vulnerability.

Vulnerability Description

Vulnerability in meshsystem.dll in Valve Dota 2 through 2020-02-17
Allows remote attackers to execute code or cause denial of service

Affected Systems and Versions

Product: Valve Dota 2
Version: Through 2020-02-17

Exploitation Mechanism

Attackers create a gaming server with a manipulated map
Invite victims to the server
Exploit mishandled GetValue call

Mitigation and Prevention

Protect systems from CVE-2020-9005 with these steps:

Immediate Steps to Take

Update Valve Dota 2 to the latest version
Avoid joining unknown gaming servers

Long-Term Security Practices

Regularly update software and games
Educate users on safe online gaming practices

Patching and Updates

Apply patches and security updates promptly to address vulnerabilities.