Microsoft Office Excel Remote Code Execution Vulnerability (2640241)

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.902494");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2011-3403");
  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_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2011-12-14 16:18:42 +0200 (Wed, 14 Dec 2011)");
  script_name("Microsoft Office Excel Remote Code Execution Vulnerability (2640241)");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl", "secpod_ms_office_detection_900025.nasl");
  script_mandatory_keys("MS/Office/Ver", "SMB/Office/Excel/Version");

  script_tag(name:"impact", value:"Successful exploitation could allow attackers to execute arbitrary code
  with the privileges of the user running the affected application.");

  script_tag(name:"affected", value:"Microsoft Excel 2003 Service Pack 3.");

  script_tag(name:"insight", value:"The flaw is due to an error when handling certain objects while
  parsing records and can be exploited to corrupt memory.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"summary", value:"This host is missing an important security update according to
  Microsoft Bulletin MS11-096.");

  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2596954");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50954");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-096");
  exit(0);
}

include("version_func.inc");

excelVer = get_kb_item("SMB/Office/Excel/Version");
if(!excelVer){
  exit(0);
}

if(excelVer =~ "^11\..*")
{
  if(version_in_range(version:excelVer, test_version:"11.0", test_version2:"11.0.8341.0")){
    report = report_fixed_ver(installed_version:excelVer, vulnerable_range:"11.0 - 11.0.8341.0");
    security_message(port: 0, data: report);
  }
}