JAVA.INSEC.DTP : Deprecated Transfer Protocol (Java)

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CodeSonar^® 9.2p0

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CodeSecure Inc

Java

JAVA.INSEC.DTP : Deprecated Transfer Protocol (Java)

Summary

An unsafe or deprecated transfer protocol is used inside a transfer method.

The SSL2 and SSL protocols are considered unsafe.

Some or all TLS versions are considered unsafe, depending on the setting of JAVA_ANALYSIS_STRICT_MODE:

JAVA_ANALYSIS_STRICT_MODE=No	TLS v1, and TLS v1.1 are considered unsafe.
JAVA_ANALYSIS_STRICT_MODE=Yes	All TLS versions are considered unsafe.

Properties

Class Name

Deprecated Transfer Protocol (Java)

Significance

security

Mnemonic

JAVA.INSEC.DTP

Categories

CWE	CWE:757	Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
OWASP-2017	OWASP-2017:A6	Security misconfiguration
	OWASP-2017:A9	Using components with known vulnerabilities
OWASP-2021	OWASP-2021:A2	Cryptographic failures
	OWASP-2021:A5	Security misconfiguration
	OWASP-2021:A6	Vulnerable and outdated components
OWASP-2025	OWASP-2025:A02	Security Misconfiguration
	OWASP-2025:A03	Software Supply Chain Failures
	OWASP-2025:A04	Cryptographic Failures

Availability

Available for Java and Kotlin.

Enabling

Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file.

WARNING_FILTER += allow class="Deprecated Transfer Protocol (Java)"

Example

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Provider;

public class UnsafeTransferProtocol{

  public void transferProtocol(Provider p) throws NoSuchAlgorithmException, NoSuchProviderException {
      javax.net.ssl.SSLContext.getInstance("TLSv1.1");           // "Deprecated Transfer Protocol (Java)" warning issued here
      javax.net.ssl.SSLContext.getInstance("SSL","my_provider"); // "Deprecated Transfer Protocol (Java)" warning issued here
      javax.net.ssl.SSLContext.getInstance("SSL3",p);            // "Deprecated Transfer Protocol (Java)" warning issued here
      javax.net.ssl.SSLContext.getInstance("TLSv1.3",p);
  }
}

Resolution

Parameterize it in a configuration file.

Use safer protocols.

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

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