Opera Browser 'SRC' Denial of Service Vulnerability (Linux)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_opera_src_iframe_dos_vuln_lin.nasl 5950 2017-04-13 09:02:06Z teissa $
#
# Opera Browser 'SRC' Denial of Service Vulnerability (Linux)
#
# Authors:
# Madhuri D <[email protected]>
#
# Copyright:
# Copyright (c) 2012 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_impact = "Successful exploitation will allow remote attackers to cause a
denial of service.

Impact Level: Application";

tag_affected = "Opera Web Browser Version 11.11 on Linux";

tag_insight = "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.";

tag_solution = "No solution or patch was made available for at least one year
since disclosure of this vulnerability. Likely none will be provided anymore.
General solution options are to upgrade to a newer release, disable respective
features, remove the product or replace the product by another one.";

tag_summary = "The host is installed with Opera browser and is prone to denial of
service Vulnerability.";

if(description)
{
  script_id(802742);
  script_version("$Revision: 5950 $");
  script_cve_id("CVE-2011-2641");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"$Date: 2017-04-13 11:02:06 +0200 (Thu, 13 Apr 2017) $");
  script_tag(name:"creation_date", value:"2012-04-10 12:22:58 +0530 (Tue, 10 Apr 2012)");
  script_name("Opera Browser 'SRC' Denial of Service Vulnerability (Linux)");
  script_xref(name : "URL" , value : "http://www.exploit-db.com/exploits/17396/");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2012 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("secpod_opera_detection_linux_900037.nasl");
  script_require_keys("Opera/Linux/Version");
  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"executable_version");
  exit(0);
}


include("version_func.inc");

## Get Opera Version from KB
operaVer = get_kb_item("Opera/Linux/Version");
if(!operaVer){
  exit(0);
}

## Grep for Opera Version equals to 11.11
if(version_is_equal(version:operaVer, test_version:"11.11")){
  security_message(0);
}