National Institute of Standards and Technology
Package illustrating a test case

Test case 238316

Description

CWE: 191 Integer Underflow
BadSource: fgets Read data from the console using fgets()
GoodSource: Set data to a small, non-zero number (negative two)
Sinks: decrement
GoodSink: Ensure there will not be an underflow before decrementing data
BadSink : Decrement data, which can cause an Underflow
Flow Variant: 22 Control flow: Flow controlled by value of a global variable. Sink functions are in a separate file from sources.

Flaws

Test Suites

Documentation

Have any comments on this test case? Please, send us an email.