CWE: 195 Signed to Unsigned Conversion Error BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Positive integer Sink: memmove BadSink : Copy strings using memmove() with the length of data Flow Variant: 11 Control flow: if(globalReturnsTrue()) and if(globalRe...

CWE: 195 Signed to Unsigned Conversion Error BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Positive integer Sink: memcpy BadSink : Copy strings using memcpy() with the length of data Flow Variant: 05 Control flow: if(staticTrue) and if(staticFalse)

CWE: 194 Unexpected Sign Extension BadSource: negative Set data to a fixed negative number GoodSource: Positive integer Sink: memmove BadSink : Copy strings using memmove() with the length of data Flow Variant: 09 Control flow: if(GLOBAL_CONST_TRUE) and if(GLOBAL_CONST_FALSE)

CWE: 194 Unexpected Sign Extension BadSource: fscanf Read data from the console using fscanf() GoodSource: Positive integer Sink: strncpy BadSink : Copy strings using strncpy() with the length of data Flow Variant: 13 Control flow: if(GLOBAL_CONST_FIVE==5) and if(GLOBAL_CONST_FIVE!=5)

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: 191 Integer Underflow BadSource: min Set data to the minimum value for int 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, multiply by 2, which can...

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: 61 Data fl...

CWE: 190 Integer Overflow BadSource: rand Set data to result of rand(), which may be zero 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...

CWE: 190 Integer Overflow BadSource: fgets Read data from the console using fgets() 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...

CWE: 190 Integer Overflow BadSource: connect_socket Read data using a connect socket (client side) 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, ...

CWE: 190 Integer Overflow BadSource: connect_socket Read data using a connect socket (client side) 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 Fl...

CWE: 134 Uncontrolled Format String BadSource: console Read input from the console GoodSource: Copy a fixed string into data Sinks: vprintf GoodSink: vwprintf with a format string BadSink : vwprintf without a format string Flow Variant: 61 Data flow: data returned from one function to anoth...

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: 08 Control flow: if(staticReturnsTrue()) and if(staticReturnsFalse())

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: 08 Control flow: if(staticReturnsTrue()) and if(staticReturnsFalse())

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: cpy BadSink : Copy data to string using strcpy Flow Variant: 04 Control flow: if(STATIC_CONST_TRUE) and if(STATIC_CONST_FALSE)

CWE: 124 Buffer Underwrite BadSource: negative Negative index value 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: 02 Control flow: if(1) and if(0)

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using malloc() and set data pointer to a small buffer GoodSource: Allocate using malloc() and set data pointer to a large buffer Sink: snprintf BadSink : Copy string to data using snprintf Flow Variant: 53 Data flow: data passed as an ...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: cpy BadSink : Copy data to string using wcscpy Flow Variant: 45 Data flow: data passed as a static global variable from one function to another in the same ...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: cpy BadSink : Copy data to string using strcpy Flow Variant: 01 Baseline

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: 05 Control flow: if(staticTrue) and if(staticFalse)

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: 32 Data flow using two pointers to the same value 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: memcpy BadSink : Copy data to string using memcpy Flow Variant: 42 Data flow: data returned from one function to another in the same source file

CWE: 114 Process Control BadSource: relativePath Hard code the relative pathname to the library GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 114 Process Control BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Hard code the full pathname to the library Sink: BadSink : Load a dynamic link library Flow Variant: 09 Control flow: if(GLOBAL_CONST_TRUE) and if(GLOBAL_CONST_FALSE)

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...