Apple iTunes < 10.5.1 Update Authenticity Verification Weakness (uncredentialed check)

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


include("compat.inc");


if (description)
{
  script_id(56873);
  script_version("1.15");
  script_cvs_date("Date: 2018/11/15 20:50:24");

  script_cve_id("CVE-2008-3434");
  script_bugtraq_id(50672);

  script_name(english:"Apple iTunes < 10.5.1 Update Authenticity Verification Weakness (uncredentialed check)");
  script_summary(english:"Checks the version of iTunes.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host contains an application that is susceptible to a
man-in-the-middle attack.");
  script_set_attribute(attribute:"description", value:
"The version of Apple iTunes on the remote host is prior to version
10.5.1. It is, therefore, affected by a man-in-the-middle
vulnerability due to using unsecured HTTP connections when checking
for or retrieving software updates. A remote attacker can exploit this
to execute arbitrary code by means of a trojan horse update that
appears to originate from Apple.");
  script_set_attribute(attribute:"see_also", value:"http://seclists.org/bugtraq/2008/Jul/249");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT5030");
  script_set_attribute(attribute:"see_also", value:"http://lists.apple.com/archives/security-announce/2011/Nov/msg00003.html");
  script_set_attribute(attribute:"solution", value:"Upgrade to Apple iTunes 10.5.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(94);

  script_set_attribute(attribute:"vuln_publication_date", value:"2008/07/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/11/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/18");

  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) 2011-2018 Tenable Network Security, Inc.");

  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 == 'AppleTV') audit(AUDIT_LISTEN_NOT_VULN, "iTunes on AppleTV", port, version);

fixed_version = "10.5.1";

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);