CVE-2020-7950 : What You Need to Know

meshsystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a vulnerable function call.

Understanding CVE-2020-7950

This CVE involves 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-2020-7950?

The vulnerability in meshsystem.dll in Valve Dota 2 before version 7.23f enables attackers to execute arbitrary code or disrupt services by manipulating a gaming server and inviting victims to it.

The Impact of CVE-2020-7950

The vulnerability allows for potential code execution or denial of service attacks, posing a significant threat to the security and stability of affected systems.

Technical Details of CVE-2020-7950

Vulnerability Description

Vulnerability in meshsystem.dll in Valve Dota 2 before 7.23f
Allows remote attackers to achieve code execution or denial of service

Affected Systems and Versions

Product: Valve Dota 2
Versions affected: Before 7.23f

Exploitation Mechanism

Attackers create a gaming server and invite victims
Crafted map mishandled during a vulnerable function call

Mitigation and Prevention

Immediate Steps to Take

Update Valve Dota 2 to version 7.23f or later
Avoid joining gaming servers from untrusted sources

Long-Term Security Practices

Regularly update software and games to the latest versions
Educate users on safe gaming practices and potential risks

Patching and Updates

Valve has released version 7.23f to address the vulnerability