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: 18 Control flow: goto statements

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: loop BadSink : Copy data to string using a loop Flow Variant: 65 Data/control flow: data passed as an argument from one function to...

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: memmove BadSink : Copy data to string using memmove Flow Variant: 52 Data flow: data passed as an argument from one function to anot...

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 63 Data flow: pointer to data passed 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 Sink: memmove BadSink : Copy data to string using memmove Flow Variant: 54 Data flow: data passed as an argument from one function through three others to a fifth; all five...

CWE: 126 Buffer Overread BadSource: connect_socket Read data using a connect socket (client 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: 41 Data f...

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: loop BadSink : Copy string to data using a loop Flow Variant: 68 Data flow: data passed as a global variable from one function to an...

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: 67 Data flow: data passed in a struct from one function to another ...

CWE: 122 Heap Based Buffer Overflow BadSource: fscanf Read data from the console using fscanf() 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: 61 Data flo...

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: 03 Control flow: if(5==5) and if(5!=5)

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 31 Data flow using a copy of data within the same function

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: snprintf BadSink : Copy data to string using snprintf Flow Variant: 31 Data flow using a copy of data within the same function

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: snprintf BadSink : Copy data to string using snprintf Flow Variant: 10 Control flow: if(globalTrue) and if(globalFalse)

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 strncat Flow Variant: 11 Control flow: if(globalReturnsTrue()) and if(globalReturnsFalse())

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: 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: memmove BadSink : Copy int64_t array to data using memmove Flow Variant: 34 Data flow: use of a union containing two methods of accessing the same data (...

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 Sinks: memcpy BadSink : Copy string to data using memcpy() Flow Variant: 65 Data/control flow: d...

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 Sinks: ncpy BadSink : Copy string to data using strncpy() Flow Variant: 45 Data flow: data passe...

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 Sinks: memcpy BadSink : Copy string to data using memcpy() Flow Variant: 44 Data/control flow: d...

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: loop BadSink : Copy array to data using a loop Flow Variant: 04 Control flow: if(STATIC_CO...

CWE: 114 Process Control BadSource: console Read input from the console GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 05 Control flow: if(staticTrue) and if(staticFalse)

A read generates a string that may not have NUL termination. Copying the string can cause a stack buffer to be overrun.

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 = constant, 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 = stack, Scope = same, Container = no, Pointer = no, Index complexity = constant, Address complexity = con...