CVE-2020-14983 : Security Advisory and Response

Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 are affected by a vulnerability that allows a buffer overflow due to improper validation of user-controlled input.

Understanding CVE-2020-14983

This CVE describes a security issue in Chocolate Doom and Crispy Doom that could be exploited by a malicious user to overwrite the server's stack.

What is CVE-2020-14983?

The vulnerability in Chocolate Doom and Crispy Doom arises from the server's failure to validate the num_players value provided by users, enabling a buffer overflow attack.

The Impact of CVE-2020-14983

The buffer overflow vulnerability can be exploited by an attacker to manipulate the server's stack, potentially leading to remote code execution or denial of service.

Technical Details of CVE-2020-14983

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue in Chocolate Doom and Crispy Doom allows a malicious user to trigger a buffer overflow by providing a specially crafted num_players value, leading to stack corruption.

Affected Systems and Versions

Chocolate Doom 3.0.0
Crispy Doom 5.8.0

Exploitation Mechanism

By sending a specifically crafted num_players value to the server, an attacker can overwrite the stack, potentially gaining control over the server.

Mitigation and Prevention

Protecting systems from CVE-2020-14983 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Chocolate Doom and Crispy Doom to patched versions that address the buffer overflow vulnerability.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement input validation mechanisms to prevent buffer overflow vulnerabilities.
Conduct regular security assessments and audits to identify and mitigate potential security risks.

Patching and Updates

Apply security patches provided by the software vendors promptly to fix the vulnerability and enhance system security.