CVE-2019-20893 : Security Advisory and Response

A vulnerability in Activision Infinity Ward Call of Duty Modern Warfare 2 until 2019-12-11 has been identified, allowing arbitrary code execution.

Understanding CVE-2019-20893

This CVE involves a buffer overflow vulnerability in the PartyHost_HandleJoinPartyRequest function of Call of Duty Modern Warfare 2.

What is CVE-2019-20893?

This vulnerability allows attackers to execute arbitrary code on a targeted machine by exploiting a specially crafted joinParty packet.

The Impact of CVE-2019-20893

Exploiting this vulnerability can lead to unauthorized remote code execution on the victim's system.

Technical Details of CVE-2019-20893

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability lies in the PartyHost_HandleJoinPartyRequest function, which is prone to a buffer overflow flaw.

Affected Systems and Versions

Product: Activision Infinity Ward Call of Duty Modern Warfare 2
Versions: Until 2019-12-11

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted joinParty packet to the target system, triggering the buffer overflow and allowing the execution of malicious code.

Mitigation and Prevention

Protecting systems from CVE-2019-20893 is crucial to prevent unauthorized code execution.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe browsing habits and the importance of not clicking on unknown links.

Patching and Updates

Regularly update software and firmware to ensure that known vulnerabilities are patched and security measures are up to date.