Opera Web Browser 9.51 DoS Vulnerability - Windows

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800081");
  script_version("2024-02-29T05:05:39+0000");
  script_tag(name:"last_modification", value:"2024-02-29 05:05:39 +0000 (Thu, 29 Feb 2024)");
  script_tag(name:"creation_date", value:"2008-12-16 16:12:00 +0100 (Tue, 16 Dec 2008)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_cve_id("CVE-2008-5428");
  script_name("Opera Web Browser 9.51 DoS Vulnerability - Windows");
  script_xref(name:"URL", value:"http://mime.recurity.com/cgi-bin/twiki/view/Main/AttackIntro");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2008 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 could result in web browser crash.");

  script_tag(name:"affected", value:"Opera version 9.51 on Windows.");

  script_tag(name:"insight", value:"Flaw is due to improper handling of multipart/mixed e-mail messages
  with many MIME parts and e-mail messages with many Content-type: message/rfc822 headers.");

  script_tag(name:"solution", value:"Upgrade to higher version of Opera.");

  script_tag(name:"summary", value:"Opera Web 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);
}

if( ! version = get_kb_item( "Opera/Win/Version" ) ) exit( 0 );

if( version =~ "^9\.51" ) {
  security_message( port:0 );
  exit( 0 );
}

exit( 99 );