CWE: 194 Unexpected Sign Extension BadSource: fscanf Read data from the console using fscanf() GoodSource: Positive integer Sink: memmove BadSink : Copy strings using memmove() with the length of data Flow Variant: 54 Data flow: data passed as an argument from one function through three othe...

CWE: 191 Integer Underflow BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Set data to a small, non-zero number (negative two) Sinks: multiply GoodSink: Ensure there will not be an underflow before multiplying data by 2 BadSink : If data is negative, multip...

CWE: 191 Integer Underflow BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Set data to a small, non-zero number (negative two) Sinks: multiply GoodSink: Ensure there will not be an underflow before multiplying data by 2 BadSink : If data is negative, mult...

CWE: 134 Uncontrolled Format String BadSource: listen_socket Read data using a listen socket (server side) 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 Flo...

CWE: 134 Uncontrolled Format String BadSource: environment Read input from an environment variable GoodSource: Copy a fixed string into data Sinks: vfprintf GoodSink: vfwprintf with a format string BadSink : vfwprintf without a format string Flow Variant: 42 Data flow: data returned from on...

CWE: 134 Uncontrolled Format String BadSource: environment Read input from an environment variable 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 Varian...

CWE: 134 Uncontrolled Format String BadSource: console Read input from the console GoodSource: Copy a fixed string into data Sinks: w32_vsnprintf GoodSink: vsnprintf with a format string BadSink : vsnprintf without a format string Flow Variant: 07 Control flow: if(staticFive==5) and if(stat...

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: 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 strncpy Flow Variant: 05 Control flow: if(staticTrue) and if(staticFalse)

CWE: 123 Write-What-Where Condition BadSource: listen_socket Overwrite linked list pointers using a listen socket (server side) GoodSource: Dont overwrite linked list pointers Sinks: BadSink : Remove element from list Flow Variant: 44 Data/control flow: data passed as an argument from one fu...

CWE: 122 Heap Based Buffer Overflow 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 Sinks: cpy BadSink : Copy string to data using wcscpy() Flow Variant: 65 Data/control flow: data...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: cat BadSink : Copy data to string using strcat 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 Sink: ncpy BadSink : Copy data to string using wcsncpy Flow Variant: 22 Control flow: Flow controlled by value of a global variable. Sink functions are in a separa...

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: 21 Control flow: Flow controlled by value of a static global variable. All functions contained...

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: 15 Control flow: switch(6)

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 int64_t array to data using a loop Flow Variant: 67 Data flow: data passed in a struct 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 Sinks: memcpy BadSink : Copy string to data using memcpy Flow Variant: 64 Data flow: void pointer to data passed from one function to another in different sourc...

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 wcsncpy() 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 Sink: loop BadSink : Copy array to data using a loop Flow Variant: 13 Control flow: if(GLOBAL_CO...

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: 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: 07 Control flow: if(stati...

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: cpy BadSink : Copy string to data using strcpy() Flow Variant: 65 Data/control flow: data...

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