Konqueror in KDE Denial of Service Vulnerability

# SPDX-FileCopyrightText: 2008 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

CPE = "cpe:/a:kde:konqueror";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900417");
  script_version("2025-09-16T05:38:45+0000");
  script_tag(name:"last_modification", value:"2025-09-16 05:38:45 +0000 (Tue, 16 Sep 2025)");
  script_tag(name:"creation_date", value:"2008-12-31 15:14:17 +0100 (Wed, 31 Dec 2008)");
  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_cve_id("CVE-2008-4514", "CVE-2008-5712");
  script_name("Konqueror in KDE Denial of Service Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("secpod_kde_konqueror_detect.nasl");
  script_mandatory_keys("KDE/Konqueror/Ver");

  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/6704");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/31696");
  script_xref(name:"URL", value:"http://secunia.com/advisories/32208");

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

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to trigger the use of a deleted
  object within the HTMLTokenizer::scriptHandler() method and can cause a crash.");

  script_tag(name:"affected", value:"Konqueror in KDE version 3.5.9 or prior.");

  script_tag(name:"insight", value:"These flaws are due to:

  - improper handling of JavaScript document.load Function calls targeting
    the current document which can cause denial of service.

  - HTML parser in KDE Konqueror causes denial of service via a long attribute
    in HR element or a long BGCOLOR or BORDERCOLOR.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the 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.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"executable_version_unreliable");

  exit(0);
}

include("version_func.inc");
include("host_details.inc");

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:FALSE ) )
  exit( 0 );

ver = infos["version"];
loc = infos["location"];

if( version_is_less_equal( version:ver, test_version:"3.5.10" ) ) {
  report = report_fixed_ver( installed_version:ver, fixed_version:"WillNotFix", install_path:loc );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 0 );