DameWare Mini Remote Control Information Disclosure

# SPDX-FileCopyrightText: 2005 Noam Rathaus
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11968");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_tag(name:"qod_type", value:"remote_banner");

  script_tag(name:"solution_type", value:"Workaround");

  script_name("DameWare Mini Remote Control Information Disclosure");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2005 Noam Rathaus");
  script_family("General");
  script_dependencies("find_service.nasl", "find_service2.nasl");
  script_require_ports("Services/dameware", 6129);

  script_tag(name:"summary", value:"The remote host is running DameWare Mini Remote Control.
  This program allows remote attackers to determine the OS type and
  which Service Pack is installed on the server.");

  script_tag(name:"solution", value:"Filter out incoming traffic to this port to minimize the
  threat.");

  exit(0);
}

include("port_service_func.inc");

port = service_get_port( default:6129, proto:"dameware" );


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

rec = recv( socket:soc, length:8192 );

if( ! ( ( rec[0] == raw_string( 0x30 ) ) && ( rec[1] == raw_string( 0x11 ) ) ) ) {
  close( soc );
  exit( 0 );
}

rec = insstr( rec, raw_string( 0x00 ), 28, 28 );
rec = insstr( rec, raw_string( 0x01 ), 36, 36 );

send( socket:soc, data:rec );

rec = recv( socket:soc, length:8192 );
close( soc );

if( ! ( ( rec[0] == raw_string( 0x10 ) ) && ( rec[1] == raw_string( 0x27 ) ) ) ) {
  exit( 0 );
}

if( ( rec[16] == raw_string( 0x28 ) ) && ( rec[17] == raw_string( 0x0a ) ) ) {
  windows_version = "Windows XP";
}

if( ( rec[16] == raw_string( 0x93 ) ) && ( rec[17] == raw_string( 0x08 ) ) ) {
  windows_version = "Windows 2000";
}

if( ! windows_version ) {
  exit( 0 );
}

service_pack = ""; # nb: To make openvas-nasl-lint happy...
for( i = 24; rec[i] != raw_string( 0x00 ); i++ ) {
  service_pack += rec[i];
}

report = "Using DameWare mini remote control, it was possible to determine that the remote host is running ";
report += windows_version;
report += " - ";
report += service_pack;

security_message( port:port, data:report );

exit( 0 );