Return Inside Finally Block

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Last revision (mm/dd/yy): 11/10/2017

Vulnerabilities Table of Contents

Description

Returning from inside a finally block will cause exceptions to be lost.

A return statement inside a finally block will cause any exception that might be thrown in the try block to be discarded.

Risk Factors

TBD

Examples

In the following code excerpt, the IllegalArgumentException will never be delivered to the caller. The finally block will cause the exception to be discarded.

	try {
	  ...
	  throw IllegalArgumentException();
	}
	finally {
	  return r;
	}

Related Attacks

• Attack 1
• Attack 2

Related Vulnerabilities

• Vulnerability 1
• Vulnerabiltiy 2

Related Controls

• Error Handling

Related Technical Impacts

• Technical Impact 1
• Technical Impact 2

References

Note: A reference to related CWE or CAPEC article should be added when exists. Eg:

• CWE 79.
• http://www.link1.com
• Title for the link2