IrfanView Integer Overflow Vulnerability

# 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("1.3.6.1.4.1.25623.1.0.900377");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2009-06-24 07:17:25 +0200 (Wed, 24 Jun 2009)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_cve_id("CVE-2009-2118");
  script_name("IrfanView Integer Overflow Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/35359");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35423");
  script_xref(name:"URL", value:"http://www.irfanview.com/main_history.htm");

  script_tag(name:"qod_type", value:"executable_version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("secpod_irfanview_detect.nasl");
  script_mandatory_keys("IrfanView/Ver");
  script_tag(name:"impact", value:"Successful exploitation will allow attacker to cause Integer Overflow when
  screen fitting option is enabled.");
  script_tag(name:"affected", value:"IrfanView version prior to 4.25");
  script_tag(name:"insight", value:"This flaw is generated because the application fails to perform proper
  boundary checks while opening a specially crafted TIFF 1 BPP images
  which can exploited to cause a heap based buffer overflow.");
  script_tag(name:"solution", value:"Upgrade to version 4.25.");
  script_tag(name:"summary", value:"IrfanView is prone to an integer overflow
  vulnerability.");

  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

include("version_func.inc");

irViewVer = get_kb_item("IrfanView/Ver");
if(!irViewVer)
  exit(0);

if(version_is_less(version:irViewVer, test_version:"4.25")){
  report = report_fixed_ver(installed_version:irViewVer, fixed_version:"4.25");
  security_message(port: 0, data: report);
}