CVE-2020-24379 : Exploit Details and Defense Strategies

Yaws web server versions 1.81 to 2.0.7 are vulnerable to XXE injection.

Understanding CVE-2020-24379

WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is susceptible to XXE injection, potentially leading to security breaches.

What is CVE-2020-24379?

CVE-2020-24379 is a vulnerability found in Yaws web server versions 1.81 to 2.0.7 that allows for XXE injection, posing a risk to the security of systems running these versions.

The Impact of CVE-2020-24379

The vulnerability in Yaws web server versions 1.81 to 2.0.7 can be exploited through XXE injection, potentially leading to unauthorized access, data leakage, and other security risks.

Technical Details of CVE-2020-24379

Yaws web server versions 1.81 to 2.0.7 are affected by XXE injection vulnerability.

Vulnerability Description

The vulnerability in Yaws web server versions 1.81 to 2.0.7 allows for XXE injection, which can be exploited by attackers to compromise the security of the server.

Affected Systems and Versions

Yaws web server versions 1.81 to 2.0.7

Exploitation Mechanism

Attackers can exploit the XXE injection vulnerability in Yaws web server versions 1.81 to 2.0.7 to manipulate XML input and potentially execute unauthorized actions.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-24379 vulnerability in Yaws web server versions 1.81 to 2.0.7.

Immediate Steps to Take

Update Yaws web server to a non-vulnerable version if available.
Implement strict input validation to prevent XXE injection attacks.
Monitor and analyze XML input for suspicious patterns.

Long-Term Security Practices

Regularly update and patch the Yaws web server to mitigate known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply security patches provided by Yaws web server to fix the XXE injection vulnerability.