HostnameVerifier should check certificates

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Metadata

ID: java-security/hostname-verifier-true

Language: Java

Severity: Error

Category: Security

Description

A HostnameVerifier implementation should never just return true.

Learn More

HostnameVerifier that accept any signed certificates
CWE-295: Improper Certificate Validation

Non-Compliant Code Examples

public class AllHosts implements HostnameVerifier {
    public boolean verify(final String hostname, final SSLSession session) {
        return true;
    }
}

Compliant Code Examples

public class AllHosts implements HostnameVerifier {
    public boolean verify(final String hostname, final SSLSession session) {
        if(isValidCertificate) {
            return true;
        }
        return false;
    }
}