MS05-047: Plug and Play Remote Code Execution and Local Privilege Elevation (905749) (uncredentialed check)

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
 script_id(21193);
 script_version("1.29");
 script_cvs_date("Date: 2018/11/15 20:50:28");

 script_cve_id("CVE-2005-2120");
 script_bugtraq_id(15065);
 script_xref(name:"MSFT", value:"MS05-047");
 script_xref(name:"MSKB", value:"905749");

 script_name(english:"MS05-047: Plug and Play Remote Code Execution and Local Privilege Elevation (905749) (uncredentialed check)");
 script_summary(english:"Determines the presence of update 905749");

 script_set_attribute(attribute:"synopsis", value:
"A flaw in the Plug and Play service may allow an authenticated
attacker to execute arbitrary code on the remote host and, therefore,
elevate his privileges.");
 script_set_attribute(attribute:"description", value:
"The remote host contains a version of the Plug and Play service that
contains a vulnerability in the way it handles user-supplied data.

An authenticated attacker may exploit this flaw by sending a malformed
RPC request to the remote service and execute code with SYSTEM
privileges.

Note that authentication is not required against Windows 2000 if the
MS05-039 patch is missing.");
 script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2005/ms05-047");
 script_set_attribute(attribute:"solution", value:"Microsoft has released a set of patches for Windows 2000 and XP.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");

 script_set_attribute(attribute:"vuln_publication_date", value:"2005/10/12");
 script_set_attribute(attribute:"patch_publication_date", value:"2005/10/11");
 script_set_attribute(attribute:"plugin_publication_date", value:"2007/03/12");

 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2007-2018 Tenable Network Security, Inc.");
 script_family(english:"Windows");

 script_dependencies("smb_nativelanman.nasl","smb_login.nasl");
 script_require_keys("Host/OS/smb");
 script_require_ports(139,445);
 exit(0);
}

#

include ('smb_func.inc');

function  PNP_ValidateDeviceInstance ()
{
 local_var fid, data, rep, ret;

 fid = bind_pipe (pipe:"\browser", uuid:"8d9f4e40-a03d-11ce-8f69-08003e30051b", vers:1);
 if (isnull (fid))
   return 0;

 # MS05-047 on 2000 checks that the character is between 0x20 and 0x7F
 # if it is not the case the return code is 5
 data =
	class_name(name:'HTREE\\ROOT'+raw_string(0x1f)+'\\0') +
	raw_dword(d:3);

 data = dce_rpc_pipe_request (fid:fid, code:0x06, data:data);
 if (!data)
   return 0;

 rep = dce_rpc_parse_response (fid:fid, data:data);
 if (!rep || (strlen(rep) != 4))
   return 0;

 # 0x33 -> Access Denied
 ret = get_dword (blob:rep, pos:0);
 if ((ret != 0x33) && (ret != 0x05))
   return 1;


 return 0;
}

os = get_kb_item ("Host/OS/smb") ;
if ("Windows 5.0" >!< os) exit(0);

name	= kb_smb_name();
port	= kb_smb_transport();
login   = kb_smb_login();
pass    = kb_smb_password();


if ( ! get_port_state(port) ) exit(0);
soc = open_sock_tcp(port);
if ( ! soc ) exit(0);

session_init(socket:soc, hostname:name);

r = NetUseAdd(login:login, password:pass, share:"IPC$");
if ( r == 1 )
{
 ret = PNP_ValidateDeviceInstance ();
 if (ret == 1)
   security_hole(port:port);

 NetUseDel();
}