Opera < 12.17 opera_autoupdate.exe MITM Vulnerability

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

include("compat.inc");

if (description)
{
  script_id(73764);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/05/27");

  script_name(english:"Opera < 12.17 opera_autoupdate.exe MITM Vulnerability");
  script_summary(english:"Checks version number of Opera");

  script_set_attribute(attribute:"synopsis", value:
"The remote host contains a web browser component that is affected by a
man-in-the-middle vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Opera installed on the remote host is prior to version
12.17, and thus includes an automatic update-checking component,
'opera_autoupdate.exe', that is vulnerable to man-in-the- middle
attacks because it does not properly verify server certificates.");
  # http://web.archive.org/web/20170708033606/http://www.opera.com/docs/changelogs/windows/1217/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ebb9752c");
  script_set_attribute(attribute:"see_also", value:"https://blogs.opera.com/security/2014/04/heartbleed-heartaches/");
  script_set_attribute(attribute:"solution", value:"Upgrade to Opera 12.17 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/04/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/04/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/04/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:opera:opera_browser");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2014-2026 Tenable Network Security, Inc.");

  script_dependencies("opera_installed.nasl");
  script_require_keys("installed_sw/Opera");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Opera', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'fixed_version': '12.17.1863.0'}
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);