CWE: 131 Incorrect Calculation of Buffer Size BadSource: Allocate memory for a string, but do not allocate space for NULL terminator GoodSource: Allocate enough memory for a string and the NULL terminator Sink: cpy BadSink : Copy string to data using wcscpy() Flow Variant: 08 Control flow: ...

CWE: 129 Improper Validation of Array Index BadSource: fscanf Read data from the console using fscanf() GoodSource: Larger than zero but less than 10 Sinks: char GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant...

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: 63 Data flow: pointer to data passed from one function to another i...

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: memcpy BadSink : Copy data to string using memcpy Flow Variant: 13 Control flow: if(global_const_five==5) and if(global_const_five!=5)

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: 32 Data flow using two pointers to the same value within the same function

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 65 Data/control flow: data passed as an argument from one function to a function in a different sou...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: ncpy BadSink : Copy string to data using wcsncpy Flow Variant: 13 Control flow: if(global_const_five==5) and if(global_const_five!=5)

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: memmove BadSink : Copy string to data using memmove Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: cpy BadSink : Copy string to data using wcscpy Flow Variant: 18 Control flow: goto statements

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: cpy BadSink : Copy string to data using strcpy Flow Variant: 54 Data flow: data passed as an argument from one function through thre...

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: 66 Data flow: data passed in an array from one function to another in...

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: loop BadSink : Copy data to string using a loop Flow Variant: 19 Control flow: Dead code after a return

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: ncpy BadSink : Copy string to data using strncpy Flow Variant: 34 Data flow: use of a union containing tw...

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: memmove BadSink : Copy string to data using memmove Flow Variant: 15 Control flow: switch(6)

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using malloc() and set data pointer to a small buffer GoodSource: Allocate using malloc() and set data pointer to a large buffer Sink: ncat BadSink : Copy string to data using wcsncat Flow Variant: 05 Control flow: if(static_t) and if(...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using malloc() and set data pointer to a small buffer GoodSource: Allocate using malloc() and set data pointer to a large buffer Sink: cat BadSink : Copy string to data using wcscat Flow Variant: 11 Control flow: if(global_returns_t())...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 45 Data flow: data passed as a static global variable from one function to another in the ...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 41 Data flow: data passed as an argument from one function to another in the same source file

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memcpy BadSink : Copy string to data using memcpy Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memmove BadSink : Copy twoints array to data using memmove Flow Variant: 51 Data flow: data passed as an argument from one function to another in differen...

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memmove BadSink : Copy twoints array to data using memmove Flow Variant: 06 Control flow: if(static_const_five==5) and if(static_const_five!=5)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memcpy BadSink : Copy long long array to data using memcpy Flow Variant: 53 Data flow: data passed as an argument from one function through two others to ...

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memmove BadSink : Copy int array to data using memmove Flow Variant: 01 Baseline

CWE: 121 Stack Based Buffer Overflow Sinks: type_overrun_memmove GoodSink: Perform the memmove() and prevent overwriting part of the structure BadSink : Overwrite part of the structure by incorrectly using the sizeof(struct) in memmove() Flow Variant: 02 Control flow: if(1) and if(0)

CWE: 114 Process Control BadSource: fromConsole Read input from the console GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 18 Control flow: goto statements