Apple iTunes < 11.2.1 User Directory Insecure Permissions Vulnerability (uncredentialed check)

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

include("compat.inc");

if (description)
{
  script_id(74092);
  script_version("1.6");
  script_cvs_date("Date: 2019/11/26");

  script_cve_id("CVE-2014-1347");
  script_bugtraq_id(67457);
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2014-05-16-1");

  script_name(english:"Apple iTunes < 11.2.1 User Directory Insecure Permissions Vulnerability (uncredentialed check)");
  script_summary(english:"Checks the version of iTunes.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host contains an application that is affected by an
insecure permissions vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Apple iTunes on the remote host is prior to version
11.2.1. It is, therefore, affected by an insecure permissions
vulnerability.

An insecure permissions vulnerability exists when the '/Users' and
'/Users/Shared' directories have world-writable permissions. This can
allow a local attacker to manipulate the contents or gain escalated
privileges.

Note that Nessus has not tested for this issue but has instead relied
only on the application's self-reported version number.");
  script_set_attribute(attribute:"see_also", value:"http://support.apple.com/kb/HT6251");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/archive/1/532141/30/0/threaded");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Apple iTunes 11.2.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2014-1347");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/05/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/05/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/05/19");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:itunes");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Peer-To-Peer File Sharing");

  script_copyright(english:"This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("itunes_sharing.nasl");
  script_require_keys("iTunes/sharing");
  script_require_ports("Services/www", 3689);

  exit(0);
}

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

port = get_http_port(default:3689, embedded:TRUE, ignore_broken:TRUE);

get_kb_item_or_exit("iTunes/" + port + "/enabled");

type = get_kb_item_or_exit("iTunes/" + port + "/type");
source = get_kb_item_or_exit("iTunes/" + port + "/source");
version = get_kb_item_or_exit("iTunes/" + port + "/version");

if (type != 'Mac OSX') audit(AUDIT_OS_NOT, "Mac OSX");

fixed_version = "11.2.1";

if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
{
  if (report_verbosity > 0)
  {
    report = '\n  Version source    : ' + source +
             '\n  Installed version : ' + version +
             '\n  Fixed version     : ' + fixed_version + '\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
}
else audit(AUDIT_LISTEN_NOT_VULN, "iTunes", port, version);