Opera Browser 'SRC' Denial of Service Vulnerability - Windows

# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.802113");
  script_version("2024-02-15T05:05:39+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2011-07-05 13:15:06 +0200 (Tue, 05 Jul 2011)");
  script_cve_id("CVE-2011-2641");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_name("Opera Browser 'SRC' Denial of Service Vulnerability - Windows");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/17396/");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_opera_detect_portable_win.nasl");
  script_mandatory_keys("Opera/Win/Version");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to cause a
  denial of service.");

  script_tag(name:"affected", value:"Opera Web Browser Version 11.11.");

  script_tag(name:"insight", value:"The flaw is due to setting the FACE attribute of a FONT element
  within an IFRAME element after changing the SRC attribute of this IFRAME element
  to an about:blank value.");

  script_tag(name:"solution", value:"Upgrade to Opera version 12.00.1467 or later.");

  script_tag(name:"summary", value:"Opera browser is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("version_func.inc");

operaVer = get_kb_item("Opera/Win/Version");

if(operaVer)
{
  if(version_is_equal(version:operaVer, test_version:"11.11")){
    report = report_fixed_ver(installed_version:operaVer, vulnerable_range:"Equal to 11.11");
    security_message(port: 0, data: report);
  }
}