CWE: 23 Relative Path Traversal BadSource: environment Read input from an environment variable GoodSource: Use a fixed file name Sinks: fopen BadSink : Open the file named in data using fopen() Flow Variant: 31 Data flow using a copy of data within the same function

CWE: 197 Numeric Truncation Error BadSource: large Set data to a number larger than CHAR_MAX GoodSource: Less than CHAR_MAX Sinks: BadSink : Convert data to a char Flow Variant: 72 Data flow: data passed in a vector from one function to another in different source files

CWE: 195 Signed to Unsigned Conversion Error BadSource: fscanf Read data from the console using fscanf() GoodSource: Positive integer BadSink : Allocate memory using malloc() with the size of data Flow Variant: 82 Data flow: data passed in a parameter to an virtual method called via a pointer

CWE: 194 Unexpected Sign Extension BadSource: fgets Read data from the console using fgets() GoodSource: Positive integer Sinks: malloc BadSink : Allocate memory using malloc() with the size of data Flow Variant: 81 Data flow: data passed in a parameter to an virtual method called via a refe...

CWE: 190 Integer Overflow BadSource: max Set data to the max value for short GoodSource: Set data to a small, non-zero number (two) Sinks: square GoodSink: Ensure there will not be an overflow before squaring data BadSink : Square data, which can lead to overflow Flow Variant: 33 Data flow:...

CWE: 190 Integer Overflow BadSource: rand Set data to result of rand() GoodSource: Set data to a small, non-zero number (two) Sinks: multiply GoodSink: Ensure there will not be an overflow before multiplying data by 2 BadSink : If data is positive, multiply by 2, which can cause an overflow ...

CWE: 134 Uncontrolled Format String BadSource: environment Read input from an environment variable GoodSource: Copy a fixed string into data Sinks: fprintf GoodSink: fwprintf with %s as the second argument and data as the third BadSink : fwprintf with data as the second argument Flow Varian...

CWE: 134 Uncontrolled Format String BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Copy a fixed string into data Sinks: vfprintf GoodSink: vfprintf with a format string BadSink : vfprintf without a format string Flow Variant: 83 Data flow: data passed to ...

CWE: 134 Uncontrolled Format String BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Copy a fixed string into data Sinks: printf GoodSink: printf with %s as the first argument and data as the second BadSink : printf with only data as an argument Flow Vari...

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 33 Data flow: use of a C++ reference to data within the same function

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: ncpy BadSink : Copy data to string using wcsncpy Flow Variant: 53 Data flow: data passed as an argument from one function through tw...

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 66 Data flow: data passed in an array from one function to another ...

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 67 Data flow: data passed in a struct from one function to another in different source files

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sink: loop BadSink : Copy data to string using a loop Flow Variant: 14 Control flow: if(globalFive==5) and if(globalFive!=5)

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: loop BadSink : Copy string to data using a loop Flow Variant: 34 Data flow: use of a union containing two methods of accessing the ...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memmove BadSink : Copy string to data using memmove Flow Variant: 73 Data flow: data passed in a list from one function to another ...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memcpy BadSink : Copy string to data using memcpy Flow Variant: 31 Data flow using a copy of data within the same function

CWE: 124 Buffer Underwrite BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Non-negative but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the lower bound Flow Variant: 82 Data flo...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sink: cat BadSink : Copy string to data using wcscat Flow Variant: 01 Baseline

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sinks: cat BadSink : Copy string to data using strcat Flow Variant: 33 Data flow: use of a C++ reference to data...

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: ncat BadSink : Copy data to string using strncat Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: loop BadSink : Copy data to string using a loop Flow Variant: 81 Data flow: data passed in a parameter to a virtual method called via a reference

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sinks: memcpy BadSink : Copy string to data using memcpy Flow Variant: 67 Data flow: data passed in a struct fro...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: loop BadSink : Copy data to string using a loop Flow Variant: 43 Data flow: data flows using a C++ reference from one function to another in the same source...

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: memmove BadSink : Copy string to data using memmove Flow Variant: 81 Data flow: data passed in a parameter to an virtual method called via a reference