CWE: 272 Least Privilege Violation Sinks: RegCreateKeyEx GoodSink: Create a registry key using RegCreateKeyExA() and HKEY_CURRENT_USER BadSink : Create a registry key using RegCreateKeyExA() and HKEY_LOCAL_MACHINE Flow Variant: 11 Control flow: if(globalReturnsTrue()) and if(globalReturnsFals...

CWE: 259 Use of Hard-coded Password BadSource: Use a hardcoded password GoodSource: Read the password from the console Sinks: BadSink : Authenticate the user using LogonUserA() Flow Variant: 64 Data flow: void pointer to data passed from one function to another in different source files

CWE: 253 Incorrect Check of Return Value Sinks: puts GoodSink: Correctly check if puts() failed BadSink : Incorrectly check if puts() failed Flow Variant: 10 Control flow: if(globalTrue) and if(globalFalse)

CWE: 252 Unchecked Return Value Sinks: sscanf GoodSink: Check if swscanf() fails BadSink : Do not check if swscanf() fails Flow Variant: 01 Baseline

CWE: 197 Numeric Truncation Error BadSource: rand Set data to result of RAND32(), which could be negative GoodSource: Less than CHAR_MAX Sink: BadSink : Convert data to a char Flow Variant: 54 Data flow: data passed as an argument from one function through three others to a fifth; all five f...

CWE: 197 Numeric Truncation Error BadSource: rand Set data to result of rand(), which may be zero GoodSource: Less than CHAR_MAX Sink: to_char BadSink : Convert data to a char Flow Variant: 51 Data flow: data passed as an argument from one function to another in different source files

CWE: 195 Signed to Unsigned Conversion Error BadSource: rand Set data to result of rand(), which may be zero GoodSource: Positive integer Sink: strncpy BadSink : Copy strings using strncpy() with the length of data Flow Variant: 22 Control flow: Flow controlled by value of a global variable....

CWE: 195 Signed to Unsigned Conversion Error BadSource: rand Set data to result of rand(), which may be zero GoodSource: Positive integer Sink: memmove BadSink : Copy strings using memmove() with the length of data Flow Variant: 07 Control flow: if(staticFive==5) and if(staticFive!=5)

CWE: 194 Unexpected Sign Extension BadSource: fgets Read data from the console using fgets() GoodSource: Positive integer Sink: malloc BadSink : Allocate memory using malloc() with the size of data Flow Variant: 22 Control flow: Flow controlled by value of a global variable. Sink functions a...

CWE: 191 Integer Underflow BadSource: fscanf Read data from the console using fscanf() GoodSource: Set data to a small, non-zero number (negative two) Sinks: sub GoodSink: Ensure there will not be an underflow before subtracting 1 from data BadSink : Subtract 1 from data, which can cause an ...

CWE: 188 Reliance on Data Memory Layout Sinks: union GoodSink: Use mechanisms that are not dependent upon size, alignment/packing, or byte order to accomplish equivalent functionality BadSink : Modify a union member by relying on the byte-order, size, alignment/packing of struct and union fiel...

CWE: 134 Uncontrolled Format String BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Copy a fixed string into data Sinks: printf GoodSink: wprintf with %s as the first argument and data as the second BadSink : wprintf with only data as an argument Flow Vari...

CWE: 134 Uncontrolled Format String BadSource: file Read input from a file GoodSource: Copy a fixed string into data Sinks: w32_vsnprintf GoodSink: _vsnwprintf with a format string BadSink : _vsnwprintf without a format string Flow Variant: 53 Data flow: data passed as an argument from one ...

CWE: 134 Uncontrolled Format String BadSource: environment Read input from an environment variable GoodSource: Copy a fixed string into data Sinks: w32_vsnprintf GoodSink: _vsnwprintf with a format string BadSink : _vsnwprintf without a format string Flow Variant: 04 Control flow: if(STATIC...

CWE: 134 Uncontrolled Format String BadSource: environment Read input from an environment variable GoodSource: Copy a fixed string into data Sinks: fprintf GoodSink: fprintf with %s as the second argument and data as the third BadSink : fprintf with data as the second argument 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: 126 Buffer Overread Sinks: strncpy GoodSink: Copy a string using wcsncpy() with explicit null termination BadSink : Copy a string using wcsncpy() without explicit null termination Flow Variant: 04 Control flow: if(STATIC_CONST_TRUE) and if(STATIC_CONST_FALSE)

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 strcpy Flow Variant: 63 Data flow: pointer to data passed from one function to another in d...

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: 04 Control flow: if(STATIC_CONST_TRUE) and if(STATIC_CONST_FALSE)

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: memcpy BadSink : Copy string to data using memcpy() Flow Variant: 67 Data flow: data pass...

CWE: 121 Stack 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 strcat Flow Variant: 44 Data/control flow: data passed as an argument from one function to a function in the same so...

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: 34 Data flow: use of a union containing two methods of accessing the same data (within th...

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: 32 Data flow using two pointe...

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: 65 Dat...

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 = array of unions, Pointer = no, Index complexity = constant, Address com...