Opera DoS Vulnerability (Nov 2009) - Linux

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.801141");
  script_version("2025-12-17T05:46:28+0000");
  script_tag(name:"last_modification", value:"2025-12-17 05:46:28 +0000 (Wed, 17 Dec 2025)");
  script_tag(name:"creation_date", value:"2009-11-04 07:03:36 +0100 (Wed, 04 Nov 2009)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_cve_id("CVE-2009-3831");
  script_name("Opera DoS Vulnerability (Nov 2009) - Linux");
  script_xref(name:"URL", value:"http://secunia.com/advisories/37182");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36850");
  script_xref(name:"URL", value:"http://www.opera.com/support/kb/view/938/");
  script_xref(name:"URL", value:"http://www.opera.com/docs/changelogs/unix/1001/");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2009/3073");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("secpod_opera_detection_linux_900037.nasl");
  script_mandatory_keys("Opera/Linux/Version");
  script_tag(name:"impact", value:"Successful attacks may lead to Denial of Service (DoS) on the
  affected application.");
  script_tag(name:"affected", value:"Opera version prior to 10.01 on Linux.");
  script_tag(name:"insight", value:"An error when processing domain names can be exploited to cause a memory
  corruption.");
  script_tag(name:"solution", value:"Upgrade to Opera version 10.01 or later.");
  script_tag(name:"summary", value:"Opera Web Browser is prone to a denial of service (DoS) vulnerability.");
  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("version_func.inc");

operaVer = get_kb_item("Opera/Linux/Version");
if(!operaVer)
  exit(0);

if(version_is_less(version:operaVer, test_version:"10.01")){
  report = report_fixed_ver(installed_version:operaVer, fixed_version:"10.01");
  security_message(port: 0, data: report);
}