Microsoft Office Remote Code Execution Vulnerability (2590602)

# 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("1.3.6.1.4.1.25623.1.0.902495");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2011-1983");
  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 11:40:47 +0530 (Wed, 14 Dec 2011)");
  script_name("Microsoft Office Remote Code Execution Vulnerability (2590602)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2596785");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50956");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2589320");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-089");

  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");
  script_mandatory_keys("MS/Office/Ver");
  script_require_ports(139, 445);

  script_tag(name:"impact", value:"Successful exploitation could allow attackers to execute arbitrary code as
  the logged-on user.");

  script_tag(name:"affected", value:"- Microsoft Office 2007 Service Pack 3 and prior

  - Microsoft Office 2010 Service Pack 1 and prior");

  script_tag(name:"insight", value:"The flaw is due to a use-after-free error when parsing Word documents
  and can be exploited to dereference already freed 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 MS11-089.");

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

  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

officeVer = get_kb_item("MS/Office/Ver");
if(!officeVer){
  exit(0);
}

## MS Office 2007, 2010
if(officeVer =~ "^1[24]\.")
{
  path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion", item:"CommonFilesDir");
  if(!path) {
    exit(0);
  }

  foreach ver (make_list("OFFICE12", "OFFICE14"))
  {
    offPath = path + "\Microsoft Shared\" + ver;
    dllVer = fetch_file_version(sysPath:offPath, file_name:"msptls.dll");
    if(dllVer)
    {
      if(version_in_range(version:dllVer, test_version:"12.0", test_version2:"12.0.6654.4999")||
         version_in_range(version:dllVer, test_version:"14.0", test_version2:"14.0.6112.4999"))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }
    }
  }
}