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: ncpy BadSink : Copy data to string using strncpy Flow Variant: 67 Data flow: data passed in a struct from one function to another i...

CWE: 126 Buffer Overread BadSource: large Large index value that is greater than 10-1 GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 32 Data flow using tw...

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: 15 Control flow: switch(6)

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: cpy BadSink : Copy string to data using wcscpy Flow Variant: 66 Data flow: data passed in an array from one function to another in ...

CWE: 124 Buffer Underwrite BadSource: fscanf Read data from the console using fscanf() 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: 64 Data flow: void point...

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize the source buffer using the size of a pointer GoodSource: Initialize the source buffer using the size of the DataElementType Sink: BadSink : Print then free data Flow Variant: 51 Data flow: data passed as an argument from one functio...

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 Sinks: memmove BadSink : Copy string to data using memmove Flow Variant: 64 Data flow: void pointer to dat...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: cpy BadSink : Copy data to string using wcscpy Flow Variant: 34 Data flow: use of a union containing two methods of accessing the same data (within the same...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: cpy BadSink : Copy data to string using strcpy Flow Variant: 17 Control flow: for loops

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: cpy BadSink : Copy string to data using wcscpy Flow Variant: 15 Control flow: switch(6)

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: ncpy BadSink : Copy data to string using wcsncpy Flow Variant: 61 Data flow: data returned from one function to another in different source files

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: memmove BadSink : Copy data to string using memmove Flow Variant: 18 Control flow: goto statements

CWE: 121 Stack 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: 12 Control flow: if(globalReturnsTrueOrFalse())

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: ncpy BadSink : Copy data to string using strncpy Flow Variant: 07 Control flow: if(staticFive==5) and if(staticFive!=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 int array to data using memmove Flow Variant: 09 Control flow: if(GLOBAL_CONST_TRUE) and if(GLOBAL_CONST_FALSE)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: snprintf BadSink : Copy string to data using snprintf Flow Variant: 63 Data flow: pointer to data passed from one function to another in different source...

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: 07 Control flow: if(staticFive==5) and if(staticFive!=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 string to data using memmove Flow Variant: 02 Control flow: if(1) and if(0)

CWE: 121 Stack Based Buffer Overflow BadSource: Point data to a buffer that does not have space for a NULL terminator GoodSource: Point data to a buffer that includes space for a NULL terminator Sink: ncpy BadSink : Copy string to data using strncpy() Flow Variant: 13 Control flow: if(GLOBA...

CWE: 121 Stack Based Buffer Overflow BadSource: Allocate memory without using sizeof(int) GoodSource: Allocate memory using sizeof(int) Sinks: loop BadSink : Copy array to data using a loop Flow Variant: 66 Data flow: data passed in an array from one function to another in different source ...

CWE: 121 Stack Based Buffer Overflow BadSource: rand Set data to result of rand(), which may be zero GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 16 Con...

CWE: 121 Stack Based Buffer Overflow BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant:...

CWE: 114 Process Control BadSource: relativePath Hard code the relative pathname to the library GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 32 Data flow using two pointers to the same value within the same function

Buffer Overflow. This code has been donated by MIT. This test case has the following characteristics : write/read = Write, Which bound = Upper, Data type = character, Memory location = stack, Scope = same, Container = no, Pointer = no, Index complexity = variable, Address complexity = con...

Miscalculated null termination occurs when the placement of a null character at the end of a buffer of characters (or string) is misplaced or omitted. (from TCCLASP-5_2_14_9)