Security Center < 3.4.2.1 Directory 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(34443);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
  script_cve_id("CVE-2008-4367");

  script_name(english:"Security Center < 3.4.2.1 Directory Traversal Arbitrary File Access");
  script_summary(english:"Checks version of SC3");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is prone to
directory traversal attacks." );
 script_set_attribute(attribute:"description", value:
"The version of Tenable Security Center installed on the remote host
appears to be earlier than 3.4.2.1.  Such versions contain two
vulnerabilities that allow a user who was logged into the Security
Center to obtain system files." );
 script_set_attribute(attribute:"see_also", value:"https://www.tenable.com/media/in-the-news?id=174" );
 script_set_attribute(attribute:"solution", value:
"Upgrade to Security Center 3.4.2.1 or later." );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");
 script_set_attribute(attribute:"plugin_publication_date", value: "2008/10/17");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();


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

  script_copyright(english:"This script is Copyright (C) 2008-2021 Tenable Network Security, Inc.");

  script_dependencies("http_version.nasl");
  script_require_ports("Services/www", 80);
  script_require_keys("www/PHP");
  exit(0);
}

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


port = get_http_port(default:80);
if (!can_host_php(port:port)) exit(0);


w = http_send_recv3(method:"GET", item:"/sc3/console.php?psid=101", port:port);
if (isnull(w)) exit(1, "The web server on port "+port+" did not answer");
res = w[2];

if ("title>Tenable Network Security's Security Center " >!< res) exit(0);

version = strstr(res, "title>Tenable Network Security's Security Center ") -
    "title>Tenable Network Security's Security Center ";
version = version - strstr(version, "</title>");
if (!version) exit(0);

if (version =~ "^3\.[0-3]($|[^0-9])") security_warning(port);
else if (version =~ "^3\.4")
{
  # nb: version.txt first was added in 3.4.2.1.
  w = http_send_recv3(method:"GET", item:"/version.txt", port:port);
  if (isnull(w)) exit(1, "The web server on port "+port+" did not answer");
  res2 = strcat(w[0], w[1], '\r\n', w[2]);
  if (!isnull(res2) && "Security Center" >!< res2) security_warning(port);
}