National Institute of Standards and Technology
Package illustrating a test case

Test case 142717

Description

CWE: 690 Unchecked return value is null, leading to a null pointer dereference.
BadSource: getParameter_Servlet Set data to return of getParameter_Servlet
GoodSource: Set data to fixed, non-null String
Sinks: trim
GoodSink: Check data for null before calling trim()
BadSink : Call trim() on possibly null object
Flow Variant: 74 Data flow: data passed in a HashMap from one method to another in different source files in the same package

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