CWE: 284 Improper Access Control Sinks: SHRegCreateUSKey GoodSink: Create a registry key using SHRegCreateUSKeyA() without excessive privileges BadSink : Create a registry key using SHRegCreateUSKeyA() with excessive privileges Flow Variant: 10 Control flow: if(globalTrue) and if(globalFalse)

CWE: 259 Use of Hard-coded Password BadSource: Use a hardcoded password GoodSource: Read the password from the console Sink: BadSink : Authenticate the user using LogonUserW() Flow Variant: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)

CWE: 253 Incorrect Check of Return Value Sinks: fgets GoodSink: Correctly check if fgetws() failed before trying to use the destination buffer BadSink : Incorrectly check if fgetws() failed Flow Variant: 16 Control flow: while(1)

CWE: 252 Unchecked Return Value Sinks: fputc GoodSink: Check if fputwc() fails BadSink : Do not check if fputwc() fails Flow Variant: 16 Control flow: while(1)

CWE: 197 Numeric Truncation Error BadSource: large Set data to a number larger than SHRT_MAX GoodSource: Less than CHAR_MAX Sink: to_short BadSink : Convert data to a short Flow Variant: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)

CWE: 197 Numeric Truncation Error BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Less than CHAR_MAX Sink: to_short BadSink : Convert data to a short Flow Variant: 14 Control flow: if(globalFive==5) and if(globalFive!=5)

CWE: 194 Unexpected Sign Extension BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Positive integer Sinks: strncpy BadSink : Copy strings using strncpy() with the length of data Flow Variant: 63 Data flow: pointer to data passed from one function to another...

CWE: 194 Unexpected Sign Extension BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Positive integer Sinks: memcpy BadSink : Copy strings using memcpy() with the length of data Flow Variant: 63 Data flow: pointer to data passed from one function to another...

CWE: 191 Integer Underflow BadSource: rand Set data to result of rand() 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 Underflow Flow...

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: 190 Integer Overflow BadSource: max Set data to the max value for short GoodSource: Set data to a small, non-zero number (two) Sinks: add GoodSink: Ensure there will not be an overflow before adding 1 to data BadSink : Add 1 to data, which can cause an overflow Flow Variant: 32 Data fl...

CWE: 190 Integer Overflow BadSource: fscanf Read data from the console using fscanf() GoodSource: Set data to a small, non-zero number (two) Sinks: multiply GoodSink: Ensure there will not be an overflow before multiplying data by 2 BadSink : If data is positive, multiply by 2, which can cau...

CWE: 190 Integer Overflow BadSource: rand Set data to result of rand() GoodSource: Set data to a small, non-zero number (two) Sinks: multiply GoodSink: Ensure there will not be an overflow before multiplying data by 2 BadSink : If data is positive, multiply by 2, which can cause an overflow ...

CWE: 134 Uncontrolled Format String BadSource: console Read input from the console GoodSource: Copy a fixed string into data Sinks: w32_vsnprintf GoodSink: _vsnwprintf with a format string BadSink : _vsnwprintf without a format string Flow Variant: 05 Control flow: if(staticTrue) and if(sta...

CWE: 134 Uncontrolled Format String BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Copy a fixed string into data Sinks: vprintf GoodSink: vprintf with a format string BadSink : vprintf without a format string Flow Variant: 13 Control flow: if(GLOBAL_CONST...

CWE: 134 Uncontrolled Format String BadSource: file Read input from a file 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: 61 Data flow: data retu...

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 17 Control flow: for loops

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 18 Control flow: goto statements

CWE: 122 Heap 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: 65 Data/control flow: data passed as an argument from one function to a function in a dif...

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

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: 41 Data flow: data passed as an argument from one function to another in the same source...

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: memmove BadSink : Copy string to data using memmove() Flow Variant: 66 Data flow: data pa...

CWE: 114 Process Control BadSource: relativePath Hard code the relative pathname to the library GoodSource: Hard code the full pathname to the library Sinks: BadSink : Load a dynamic link library Flow Variant: 44 Data/control flow: data passed as an argument from one function to a function i...

CWE: 114 Process Control BadSource: environment Read input from an environment variable GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 22 Control flow: Flow controlled by value of a global variable. Sink functions are in a sep...

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...