CWE: 134 Uncontrolled Format String BadSource: file Read input from a file GoodSource: Copy a fixed string into data Sinks: snprintf GoodSink: snprintf with %s as the third argument and data as the fourth BadSink : snprintf with data as the third argument Flow Variant: 45 Data flow: data pa...

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: 12 Control flow: if(globalReturnsTrueOrFalse())

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 34 Data flow: use of a union containing two methods of accessing the same data (within the same funct...

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 51 Data flow: data passed as an argument from one function to another in different source files

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 31 Data flow using a copy of data within the same function

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: 02 Control flow: if(1...

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: 65 Data/control flow: data passed as an argument from one functio...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: memcpy BadSink : Copy string to data using memcpy Flow Variant: 32 Data flow using two pointers to the same value within the same fu...

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: 68 Data flow: data passed as a global variable from one function to ano...

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: 68 Data flow: data passe...

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: 52 Data flow: data passed as an argument from one functio...

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: cat BadSink : Copy data to string using wcscat Flow Variant: 66 Data flow: data passed in an array from one function to another in different source files

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate memory without using sizeof(int) GoodSource: Allocate memory using sizeof(int) Sink: memmove BadSink : Copy array to data using memmove() Flow Variant: 52 Data flow: data passed as an argument from one function to another to another in...

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: cat BadSink : Copy string to data using strcat Flow Variant: 51 Data flow: data passed as an argument 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: ncat BadSink : Copy data to string using wcsncat Flow Variant: 68 Data flow: data passed as a global variable from one function to another in different sourc...

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: 68 Data flow: data passed as a global variable from one function to another in different sour...

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: 02 Control flow: if(1) and if(0)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: loop BadSink : Copy string to data using a loop Flow Variant: 65 Data/control flow: data passed as an argument from one function to a function in a diffe...

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: memmove BadSink : Copy string to data using memmove() Flow Variant: 05 Control flow: if(st...

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: 14 Control flow: if(globa...

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: 16 Control flow: while(1)

CWE: 121 Stack Based Buffer Overflow BadSource: Allocate memory without using sizeof(int) GoodSource: Allocate memory using sizeof(int) Sink: memcpy BadSink : Copy array to data using memcpy() Flow Variant: 01 Baseline

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:...

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...

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 = BSS, Scope = global, Container = no, Pointer = no, Index complexity = constant, Address complexity = con...