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: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)

CWE: 127 Buffer Underread BadSource: fgets Read data from the console using fgets() GoodSource: Non-negative but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking to see if the value is negative Flow Variant: 44 Data/con...

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: 51 Data flow: data passed as an argument from one function to another in different source files

CWE: 126 Buffer Overread 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: 05 Control flow: i...

CWE: 126 Buffer Overread BadSource: fscanf Read data from the console using fscanf() 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: 32 Data flow using two...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: memcpy BadSink : Copy string to data using memcpy Flow Variant: 05 Control flow: if(staticTrue) and if(staticFalse)

CWE: 124 Buffer Underwrite BadSource: listen_socket Read data using a listen socket (server side) 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: 17 Control fl...

CWE: 122 Heap 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 wcscat Flow Variant: 22 Control flow: Flow controlled by value of a global variable. Sink functions are in a separate ...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate memory without using sizeof(int) GoodSource: Allocate memory using sizeof(int) Sinks: memmove BadSink : Copy array to data using memmove() Flow Variant: 65 Data/control flow: data passed as an argument from one function to a function i...

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: cpy BadSink : Copy string to data using wcscpy Flow Variant: 67 Data flow: data passed in a struct from one function to another in different source files

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: cpy BadSink : Copy string to data using strcpy Flow Variant: 05 Control flow: if(staticTrue) and if(staticFalse)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: cat BadSink : Copy string to data using strcat Flow Variant: 66 Data flow: data passed in an array from one function to another in different source files

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: 11 Control flow: if(globalReturnsTrue()) and if(globalReturnsFalse())

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: 10 Control flow: if(globalTrue) and if(globalFalse)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sink: memcpy BadSink : Copy string to data using memcpy Flow Variant: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)

CWE: 121 Stack Based Buffer Overflow BadSource: Set data pointer to the bad buffer GoodSource: Set data pointer to the good buffer Sinks: snprintf BadSink : Copy string to data using snprintf Flow Variant: 67 Data flow: data passed in a struct 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 Sink: cpy BadSink : Copy string to data using wcscpy() Flow Variant: 11 Control flow: if(globalR...

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: 31 Data flow using a cop...

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: 15 Control flow: switch(6)

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: loop BadSink : Copy array to data using a loop Flow Variant: 67 Data flow: data passed in...

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: loop BadSink : Copy array to data using a loop Flow Variant: 66 Data flow: data passed in...

CWE: 121 Stack Based Buffer Overflow BadSource: connect_socket Read data using a connect socket (client side) 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 Varian...

A chroot() is performed without a chdir().

fixed strncpy

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...