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(feat): vulnerable code

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bfu4 2022-03-03 21:45:19 -05:00
parent 5ba7913720
commit 9fbee26d4e
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GPG Key ID: FD1D952871D22043
2 changed files with 16 additions and 5 deletions
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2
Makefile
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@ -1,7 +1,7 @@
TARGET := out.bin
CC := gcc
STD := c89
CFLAGS := -fno-stack-protector
CFLAGS := -ggdb -fno-stack-protector
$(TARGET): clean
$(CC) -std=$(STD) $(CFLAGS) draft.c -o $(TARGET)

19
draft.c
View File

@ -1,12 +1,23 @@
#include <stdio.h> // printf, gets
#include <stdio.h> /* printf, gets */
void do_something() {
#define BUF_SZ 8 /* Something small, easy to exploit */
void get_rich_fast() {
printf("woohoo!!! free money");
}
void get_input() {
/* Declare the buffer we want to put the input in. */
char buf[BUF_SZ];
/* Deprecated function, gets(char*);
Replaced by "fgets" because of, well, insecurity. */
gets(buf);
}
int main() {
// Exit code 0.
/* Call our horrible function. */
get_input();
/* Exit code 0. */
return 0;
}