CWE: 401 Memory Leak BadSource: Allocate data using new[] GoodSource: Point data to a stack buffer Sinks: GoodSink: call delete[] on data BadSink : no deallocation of data Flow Variant: 64 Data flow: void pointer to data passed from one function to another in different source files

CWE: 36 Absolute Path Traversal BadSource: console Read input from the console GoodSource: Full path and file name Sink: ifstream BadSink : Open the file named in data using ifstream::open() Flow Variant: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)

CWE: 369 Divide by Zero BadSource: fscanf Read data from the console using fscanf() GoodSource: Non-zero Sinks: divide GoodSink: Check for zero before dividing BadSink : Divide a constant by data Flow Variant: 72 Data flow: data passed in a vector from one function to another in different s...

CWE: 369 Divide by Zero BadSource: fgets Read data from the console using fgets() GoodSource: Non-zero Sinks: divide GoodSink: Check for zero before dividing BadSink : Divide a constant by data Flow Variant: 84 Data flow: data passed to class constructor and destructor by declaring the clas...

CWE: 319 Cleartext Transmission of Sensitive Information BadSource: connect_socket Read the password using a connect socket (client side) GoodSource: Use a hardcoded password (one that was not sent over the network) Sinks: GoodSink: Decrypt the password before using it in an authentication AP...

CWE: 23 Relative Path Traversal BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Use a fixed file name Sink: ifstream BadSink : Open the file named in data using ifstream::open() Flow Variant: 09 Control flow: if(GLOBAL_CONST_TRUE) and if(GLOBAL_CONST_FALSE)

CWE: 23 Relative Path Traversal BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Use a fixed file name Sink: w32CreateFile BadSink : Open the file named in data using CreateFile() Flow Variant: 16 Control flow: while(1)

CWE: 23 Relative Path Traversal BadSource: listen_socket Read data using a listen socket (server side) GoodSource: Use a fixed file name Sink: open BadSink : Open the file named in data using open() Flow Variant: 18 Control flow: goto statements

CWE: 195 Signed to Unsigned Conversion Error 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: 62 Data flow: data flows using a C++ reference from one...

CWE: 195 Signed to Unsigned Conversion Error 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: 62 Data flow: data flows using a C++ reference from one...

CWE: 194 Unexpected Sign Extension BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Positive integer Sinks: strncpy BadSink : Copy strings using strncpy() with the length of data Flow Variant: 43 Data flow: data flows using a C++ reference from one functio...

CWE: 191 Integer Underflow BadSource: min Set data to the min value for int64_t 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 Underfl...

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: 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: 81 Data flow: data passed in a parameter to an virtual method called ...

CWE: 126 Buffer Over-read BadSource: Set data pointer to a small buffer GoodSource: Set data pointer to a large buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 81 Data flow: data passed in a parameter to an virtual method called via a reference

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 45 Data flow: data passed as a static global variable from one function to another in the same source file

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 21 Control flow: Flow controlled by value of a static global variable. All functions contained in one file.

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sink: memmove BadSink : Copy data to string using memmove Flow Variant: 12 Control flow: if(globalReturnsTrueOrFalse())

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 Sinks: loop BadSink : Copy string to data using a loop Flow Variant: 83 Data flow: data passed to class co...

CWE: 122 Heap Based Buffer Overflow BadSource: fgets Read data from the console using fgets() 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: 82 Data flow:...

CWE: 122 Heap 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 wcscat Flow Variant: 63 Data flow: pointer to data passed from one function to another in different source files

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sinks: cat BadSink : Copy string to data using strcat Flow Variant: 45 Data flow: data passed as a static global...

CWE: 122 Heap 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 strncpy Flow Variant: 42 Data flow: data returned from one function to another in the same source file

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: memmove BadSink : Copy string to data using memmove() Flow Variant: 83 Data flow: data pa...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sinks: ncat BadSink : Copy data to string using wcsncat Flow Variant: 83 Data flow: data passed to class constructor and destructor by declaring the class object o...